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Monthly Seasonal Factors of Select Economic Time Series: 2013-14

Analysis of seasonal behavior helps in differentiating between the seasonal changes and long-run changes of economic time series, which is useful for understanding the underlying economic phenomenon. This article presents the estimated monthly seasonal factors of selected 85 economic/ financial time series from broad sectors, namely, Monetary and Banking; Price; Industrial Production; External Trade and Services Sector, covering the period 2004-05 to 2013-14. The exercise revealed gradual decline in variation of seasonality in major monetary aggregates. For Scheduled Commercial Banks (SCBs), the seasonal variation of Aggregate Deposits and Credit showed moderation in recent period. Seasonality in WPI-All commodities remained low during the reference period. Within WPI, ‘Primary Articles’ exhibited more seasonal variation than ‘Manufactured Products’. Seasonality in different CPI series have been stable in the recent years but consistently higher than WPI-All Commodities. Seasonality of IIP-General Index increased steadily over the reference period. Merchandise export is found to have higher seasonal variation than merchandise import post 2007-08.

Introduction: Economic time series, when measured at an interval less than a year, exhibits seasonal fluctuations around its annual trend. Such repetitive seasonal variations can occur due to climatic conditions, production cycle characteristics, seasonal nature of economic activity, festivals, vacation practices etc. Even seasonality, being integral part of data generating process, its magnitude may vary from year to year. Analysis of its direction and magnitude is useful in interpretation of movements of economic variables over time. Seasonal adjustment, i.e., removal of seasonal effects, helps differentiate between the seasonal changes and long-run changes in the variables and is useful from the policy perspective in understanding the underlying economic phenomenon. The predictable recurring of seasonal fluctuations also allows the economic agents to setup policies or measurements to attenuate the impact. In this context, monthly seasonal factors for selected economic and financial time series of the Indian economy are being regularly published in the RBI Bulletin since 19801.

2. Data Coverage and Methodology

For estimating and analysing the seasonal factors, 85 monthly economic/financial time series covering (i) Monetary and Banking Indicators (17 series); (ii) Wholesale Price Index (WPI) (26 series); (iii) Consumer Price Index (CPI) (3 series); (iv) Industrial Production (30 series); (v) External Trade Sector (3 series) and (vi) Services Sector Indicators (6 series) have been considered in this article.

The reference period was broadly considered from April 1994 to March 2014, i.e., last 20 years. For some series, the reference period was less than 10 years depending on the availability of consistent time series data.

The seasonal factors have been estimated using X-13ARIMA-SEATS software package developed by the US Bureau of Census2, taking care of Diwali as major festival as well as trading day effects. The seasonality of the series is further subjected to various parametric and non-parametric statistical test procedures for their statistical significance.

3. Salient Findings

Seasonal Variation during Last Ten Years (2004-05 to 2013-14)

The average monthly seasonal factors over the last ten years (2004-05 to 2013-14) are presented in Table 1. The annual estimates of dispersion in seasonal factors, in terms of range (difference between peak and trough values of Seasonal Factors (SF) during a year), during the period, are presented in Table 2. The classification of variables as per range of seasonal factors during 2013-14 is provided in Table 3. The list of top-twenty and bottom-twenty series based on the average range of seasonal factors, during last five years (i.e., 2009-10 to 2013-14) and the corresponding peak and trough months are presented in Table 4. The salient features of observed seasonal variation over the reference period for some of the selected series during the last ten years are briefly discussed below.

3.1 Monetary and Banking Indicators

3.1.1 The following chart (Chart 1) exhibits the peak (blue) and trough (red) of monthly seasonal factors of Broad Money (M3) for every year in the secondary axis and their difference known as range(green) in the primary axis. Range of a series shows the change in seasonal variation over the period. Rest of the article explains the variation in seasonality by plotting the range of important economic series over time.

3.1.2 Seasonal variation in Broad Money (M3) was observed to be lower than Currency in Circulation, Narrow Money (M1) and Reserve Money (RM) over the years. After showing upward movement till 2006-07, the range of M3 declined gradually (Table 2).

3.1.3 The seasonal variations of aggregate deposits (SCBs) and Non-Food Credit (SCBs) exhibited similar movements for the entire reference period while the range of estimated seasonal factors for Aggregate Deposits always remained lower than Non-Food Credit. The seasonality of these two series exhibited downward movement since last couple of years. Seasonality in Investment indicated an increasing pattern (Table 2 and Chart 2).

C1

3.1.4 Within aggregate deposits, demand deposits of SCBs witnessed higher seasonal fluctuations than Time Deposits of SCBs, which remained stable within the narrow band of 1.4 to 2.0 (Table 2). Seasonality of demand deposits remained within the range of 12.9- 14.2 till 2008-09 and started declining steadily thereafter.

C2

3.2 Wholesale Price Index (WPI)

3.2.1 The range of seasonal factors of WPI-All Commodities increased from 1.4 in 2004-05 to 1.7 in 2007-08, and thereafter, reverted to 1.1 in 2010-11 before the gradual increase to 1.4 in 2013-14 (Table 2). The seasonality in ‘Primary Articles’ prices was more than three times the seasonality in WPI-Manufactured Products. Also, during the last four years, seasonal variation for WPI-Manufactured Products narrowed down against gradual increase in WPI-Primary Articles (Table 2 and Chart 3).

C3

3.2.2 Within the Primary Articles group, the seasonal variation in WPI-Food Articles increased from 4.9 in 2004-05 to 6.8 in 2013-14 whereas it ranged between 2.2-3.1 for WPI-Non Food Articles during the reference period (Table 2 and Chart 4).

C4

3.2.3 Within the WPI-Food Articles, the pulses group displayed more seasonal variation than the Cereals group. Both WPI-Cereals and WPI-Pulses exhibited stable seasonality in the range of around 2 and 5 respectively (Table 2 and Chart 5).

C5

3.3 Consumer Price Index (CPI)

3.3.1 In the case of CPI for Agricultural Labourers (AL) and Rural Labourers (RL), similar movement in seasonal variations was observed during the last ten years with CPI-AL having slightly higher variation than the CPI-RL. The seasonality of different CPI series were consistently higher than WPI-All Commodities. The difference between the seasonal variations of CPI series and WPI-All Commodities have however, widened after 2008-09 (Table 2 and Chart 6).

C6

3.4 Industrial Production

3.4.1 Seasonal variation of IIP-General exhibited slight upward movement during the reference period. Among the three major sectors of IIP, (viz., Mining, Manufacturing and Electricity), IIP-Mining and IIP-Electricity exhibited the highest and lowest seasonal variation respectively with IIP-Mining showing an upward trend. IIP-Manufacturing displayed similar seasonality as IIP-General (Table 2 and Chart 7).

C7

3.4.2 Among the use-based classification goods, IIP-Consumer Non-durable goods exhibited highest seasonality, whereas IIP-Intermediate Goods was the only group where seasonality has reduced over the years and it showed lowest seasonal variations throughout the reference period, except for 2008-09 and 2009-10 (Chart 8). Seasonal variations in IIP for Basic goods and Consumer goods have increased in recent years.

C8

3.4.3 The seasonal variations of production of ‘Cement’ and ‘Steel’ exhibited opposite movements during 2004- 05 to 2013-14 with higher magnitude of seasonality in Cement than Steel .The seasonality in ‘Production of Commercial Motor Vehicles’ decreased from 37.4 in 2004-05 to 28.6 in 2007-08 and thereafter increased steadily to 31.6 in 2013-14 (Table 2).

3.5 Services Sector Indicators

3.5.1 Over the reference period, seasonality in ‘Railway Freight Traffic’ was higher as compared to that of ‘Cargo Handled at Major Ports’. The seasonal variation of ‘Railway Freight Traffic’ gradually increased from 19.9 in 2004-05 to 21.6 in 2013-14 whereas seasonal variation of ‘Cargo Handled at Major Ports’ decreased from 18.0 in 2004-05 to 15.0 in 2013-14. In last 5 years, the gap in seasonality is widening between these two series (Table 2).

3.5.2 The seasonal variation of passenger flown in Domestic area has increased over the years compared to passenger flown internationally (Table 2).

3.6 External Trade (Merchandise)

The seasonal variation in export was higher than import except during 2006-09. The gap between variations of seasonality increased in subsequent years. Non-Oil Non-Gold Import and total merchandise import have shown similar seasonality (Table 2 and Chart 9).

C9

4 High and Low Seasonal Variation

Based on the average range of monthly seasonal factors during last five years (i.e. 2009-10 to 2013-14), External trade data and Services Sector indicators have exhibited highest seasonal volatility followed by industrial production (IIP General and its components) while seasonal variations of WPI and CPI have been found to be lower than other series. Money and Banking series have shown lower seasonal variability relatively. Comparing seasonal variability of all 85 series, ‘IIP-Food products and beverages’, ‘IIP-Fabricated metal products, except machinery & equipment’, ‘Coal Production’, ‘Sales of Commercial Motor Vehicles’ and ‘Production of Commercial Motor Vehicles’ have exhibited high seasonal variation. On the other hand, ‘WPI-Grain Mill Products’, ‘WPI-Rice’, ‘WPI-Non-Food Articles’, ‘WPI-Protein Items (viz., Pulses, Milk, Egg, Meat and Fish) Group’ and ‘WPI-Food Grains (Cereals and Pulses)’ have shown low seasonal variation. (Table 4).

5 Post Crisis: Seasonal Variation

It was observed that, out of 85 series the seasonal variation for 39 series increased post crisis (after 2008- 09). The series with substantial increase in seasonal variation post crisis are mainly from production related except some of the directly affected Money and banking series like ‘Assets with Banking System (SCBs)’ and highly inelastic price related series like ‘WPI-Sugar’.

Table 1: Average Monthly Seasonal Factors of Selected Economic Time Series

Series/Month

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

1

2

3

4

5

6

7

8

9

10

11

12

13

A.1.1 Broad Money (M3)

101.4

100.9

100.2

100.2

99.8

99.7

99.7

99.4

99.1

99.3

99.6

100.7

A.1.1.1 Net Bank Credit to Government

101.7

101.5

101.1

101.8

100.9

99.6

99.2

99.6

97.2

98.7

98.6

100.3

A.1.1.2 Bank Credit to Commercial Sector

101.7

101.5

101.1

101.8

100.9

99.6

99.2

99.6

97.2

98.7

98.6

100.3

A.1.2 Narrow Money (M1)

102.5

101.4

100.6

99.1

98.6

99.4

98.3

98.3

99.2

99.2

100.0

103.6

A.1.2.1 Currency with Public

103.1

103.5

101.9

99.3

98.4

97.2

98.2

99.1

99.1

99.6

100.3

100.3

A.1.3 Reserve Money (RM)

103.1

101.8

101.1

99.7

98.9

97.8

98.6

99.2

98.5

98.6

98.9

104.1

A.1.3.1 Currency in Circulation

103.0

103.3

102.0

99.3

98.4

97.1

98.5

99.1

99.2

99.6

100.2

100.5

A.1.3.1.1 Notes in Circulation

103.0

103.4

102.1

99.2

98.3

97.0

98.4

99.3

99.1

99.5

100.2

100.5

A.2.1 Aggregate Deposits (SCBs)

101.3

100.6

99.9

100.4

100.1

100.0

99.9

99.5

98.9

99.2

99.5

100.9

A.2.1.1 Demand Deposits (SCBs)

101.4

98.3

97.7

98.2

98.5

102.5

99.1

98.2

99.1

98.8

99.9

108.6

A.2.1.2 Time Deposits (SCBs)

100.8

100.7

100.1

100.6

100.2

99.7

100.2

100.0

99.1

99.6

99.5

99.6

A.3.1 Cash in Hand and Balances with RBI (SCBs)

104.4

98.8

100.8

101.4

101.9

101.4

99.2

100.4

97.8

96.8

98.4

99.6

A.3.2 Assets with the Banking System (SCBs)

102.8

100.9

102.1

97.9

99.0

99.7

98.4

94.0

97.8

95.6

99.4

112.4

A.3.3 Bank Credit (SCBs)

101.3

100.3

100.1

99.4

99.0

99.6

99.0

99.0

99.9

99.7

100.2

102.6

A.3.3.1 Loans, Cash, Credits and Overdrafts (SCBs)

100.6

100.0

100.1

98.9

98.6

100.7

99.2

99.3

100.3

99.7

100.1

102.5

A.3.3.2 Non-Food Credit (SCBs)

101.1

99.9

99.8

99.3

99.0

99.7

99.2

99.1

99.9

99.9

100.3

102.8

A.3.4 Investments (SCBs)

100.8

100.7

100.1

101.4

101.8

100.7

101.0

100.2

98.2

98.5

98.5

97.9

B. WPI (Base: 2004-05=100) All Commodities

100.2

100.0

100.1

100.4

100.5

100.6

100.4

100.1

99.4

99.6

99.3

99.3

B.1 WPI - Primary Articles

99.6

99.6

100.5

101.1

101.7

101.3

101.3

101.2

99.1

98.8

97.9

97.9

B.1.1 WPI - Food Articles

99.0

99.2

99.9

101.2

101.7

102.0

102.7

102.2

99.0

99.0

97.1

96.9

B.1.1.1 WPI - Food Grains (Cereals+Pulses)

99.1

99.0

99.1

99.6

100.1

100.2

101.2

101.1

100.7

100.4

100.1

99.3

B.1.1.1.1 WPI - Cereals

99.3

99.3

99.2

99.4

99.9

100.0

100.7

100.7

100.4

100.7

100.6

99.7

B.1.1.1.1.1 WPI - Wheat

98.8

98.1

98.3

98.6

99.2

99.6

99.5

101.2

101.9

102.2

102.3

100.2

B.1.1.1.1.2 WPI - Rice

99.2

99.5

99.4

99.9

100.5

100.7

101.3

101.0

100.2

99.7

99.5

99.2

B.1.1.1.2 WPI - Pulses

98.4

98.1

98.4

100.4

101.2

101.5

102.6

102.8

101.2

99.5

98.2

97.8

B.1.1.2 WPI - Fruits & Vegetables

97.7

98.3

100.7

104.6

105.7

106.7

108.8

106.9

95.1

93.5

90.5

90.9

B.1.1.3 WPI - Milk

99.9

99.8

100.0

100.3

100.1

100.1

100.2

100.1

99.8

99.9

100.0

99.7

B.1.1.4 WPI - Egg, Meat and Fish

98.6

100.4

100.7

101.7

100.9

100.7

99.0

99.5

99.8

100.3

100.0

98.7

B.1.1.4.1 WPI - Egg

95.6

95.6

98.1

97.8

97.3

98.8

99.7

104.2

105.0

105.5

102.5

99.8

B.1.1.4.2 WPI - Meat

98.7

99.7

100.5

100.5

100.0

99.2

99.0

99.9

100.3

101.4

100.7

100.1

B.1.1.4.3 WPI - Fish

99.2

101.6

101.1

102.6

102.3

101.4

99.3

99.2

98.7

98.8

98.8

98.2

B.1.1.5 WPI - Protein Items (viz., Pulses, Milk, Egg, Meat and Fish)

99.2

99.8

100.0

100.9

100.8

100.8

100.4

100.1

99.7

99.9

99.8

99.0

B.1.2 WPI - Non-Food Articles

100.5

100.3

100.4

100.4

100.7

100.5

99.0

99.2

99.5

99.9

99.4

100.5

B.1.2.1 WPI - Fibres

98.9

99.2

99.7

101.9

101.9

102.9

99.9

99.6

99.3

99.7

98.8

98.3

B.1.2.1.1 WPI - Raw Cotton

98.7

99.2

99.8

102.8

103.0

104.0

99.9

99.5

98.5

99.3

98.0

97.7

B.1.2.2 WPI - Oil Seeds

100.4

100.8

101.5

101.5

101.6

101.0

98.6

98.1

98.6

99.5

99.2

99.3

B.2 WPI - Manufactured Products

100.4

100.5

100.3

100.2

100.2

100.1

99.9

99.7

99.5

99.8

99.8

99.8

B.2.1 WPI - Food Products

99.8

99.7

99.7

100.2

100.4

100.6

100.3

100.1

99.9

100.1

99.9

99.3

B.2.1.1 WPI - Grain Mill Products

98.9

98.1

98.3

99.2

99.4

100.0

100.5

101.0

101.0

101.6

101.4

100.4

B.2.1.2 WPI - Sugar

99.0

98.6

98.1

99.0

100.2

101.5

101.4

101.7

101.5

100.7

99.4

99.0

B.2.1.3 WPI - Edible Oils

99.8

100.2

100.1

100.4

100.9

100.5

99.6

99.4

100.2

100.0

99.6

99.4

B.3 WPI - Non Food Manufactured Products

100.4

100.4

100.3

100.1

100.1

100.0

99.8

99.6

99.5

99.8

99.8

100.1

B.4 WPI - Non Food Non-Fuel

100.5

100.7

100.4

100.2

100.2

100.0

99.7

99.6

99.4

99.6

99.8

100.1

C.1 CPI for Industrial Workers (Base: 2001=100)

99.2

99.3

99.6

100.7

100.8

100.6

101.1

100.9

99.9

99.7

99.3

98.9

C.2 CPI for Agricultural Labourers (Base: 1986-87=100)

98.9

99.1

99.6

100.2

100.7

100.9

101.1

101.0

100.4

99.8

99.4

99.0

C.3 CPI for Rural Labourers (Base: 1986-87=100)

99.0

99.1

99.6

100.2

100.7

100.8

101.1

101.0

100.3

99.8

99.4

99.0


Table 1: Average Monthly Seasonal Factors of Selected Economic Time Series (Concld.)

Series/Month

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

1

2

3

4

5

6

7

8

9

10

11

12

13

D. IIP (Base 2004-05 = 100) General Index

96.4

98.5

97.8

98.0

96.0

97.3

98.9

98.4

104.7

104.5

99.6

110.1

D.1.1 IIP - Basic Goods Industries

98.1

100.9

98.1

98.4

97.5

95.0

99.7

97.9

103.2

104.6

97.7

109.1

D.1.2 IIP - Intermediate Goods Industries

96.5

100.3

99.5

101.5

100.3

98.4

99.3

97.9

102.7

101.0

96.7

105.8

D.1.3 IIP - Consumer Goods Industries

98.7

98.1

96.5

97.5

92.9

95.1

96.2

96.9

106.2

108.8

104.3

108.5

D.1.3.1 IIP - Consumer Durable Goods Industries

98.0

100.4

98.2

100.0

96.4

101.8

106.5

100.9

96.0

99.5

97.7

104.8

D.1.3.2 IIP - Consumer Non-Durable Goods Industries

98.6

96.2

95.2

94.9

90.6

90.1

90.1

96.2

114.7

114.5

108.6

110.2

D.2.1 IIP - Mining

97.6

100.3

95.7

94.2

92.2

90.5

98.2

99.6

106.6

107.9

101.5

116.0

D.2.2 IIP - Manufacturing

95.8

97.7

97.7

98.3

96.1

98.1

98.7

98.1

104.9

104.4

100.2

110.1

D.2.2.1 IIP - Food products and beverages

97.3

90.1

88.6

81.2

72.3

70.2

77.1

98.2

135.6

135.7

126.6

126.3

D.2.2.2 IIP - Textiles

98.4

99.7

98.3

102.6

102.5

100.2

101.4

99.6

101.6

101.3

94.4

100.0

D.2.2.3 IIP - Wood and products of wood & cork except furniture; articles of straw & plating materials

90.5

102.6

98.0

100.6

99.7

96.0

95.9

98.6

108.6

100.6

103.7

106.0

D.2.2.4 IIP - Paper and paper products

97.0

101.4

99.0

102.5

101.6

99.7

100.5

98.2

100.1

99.3

95.4

105.6

D.2.2.5 IIP - Publishing, printing & reproduction of recorded media

98.6

101.4

98.7

103.0

101.4

98.3

103.0

99.4

102.1

99.9

94.6

99.8

D.2.2.6 IIP - Coke, refined petroleum products & nuclear fuel

94.7

98.8

100.7

102.4

100.8

96.6

101.0

97.2

101.8

103.8

96.5

105.5

D.2.2.7 IIP - Chemicals and chemical products

96.4

101.0

102.5

103.6

102.6

102.1

99.5

98.0

100.9

99.6

93.9

100.0

D.2.2.8 IIP - Rubber and plastics products

99.1

103.3

102.2

99.8

95.8

97.3

98.7

99.0

101.8

101.0

96.6

105.5

D.2.2.9 IIP - Other non-metallic mineral products

101.3

101.6

98.1

98.9

94.7

93.9

100.3

95.1

102.5

103.3

99.3

111.6

D.2.2.10 IIP - Basic metals

98.0

100.3

98.5

99.2

100.2

97.9

100.2

97.9

101.1

102.2

97.4

107.4

D.2.2.11 IIP - Fabricated metal products, except machinery & equipment

84.2

91.7

97.4

95.0

95.6

102.2

95.7

97.8

104.8

99.8

100.9

135.9

D.2.2.12 IIP - Motor vehicles, trailers & semi-trailers

97.2

97.2

89.8

98.5

97.2

97.4

101.9

101.2

92.4

105.9

105.4

116.2

D.2.2.13 IIP - Other transport equipment

91.1

95.3

94.6

96.8

98.4

103.7

110.2

105.5

96.3

100.8

98.3

109.5

D.2.3 IIP - Electricity

100.3

104.3

98.5

100.3

99.9

97.8

102.1

96.1

100.0

101.7

94.1

104.6

D.3 Cement Production

105.2

104.3

100.0

95.9

90.8

91.3

98.0

92.2

102.1

105.9

101.2

113.9

D.4 Steel Production

96.8

100.0

97.8

98.8

100.1

97.7

100.7

96.8

101.7

104.5

98.2

106.7

D.5 Coal Production

90.9

93.3

88.8

86.6

84.7

83.4

97.5

103.0

113.0

116.3

109.9

133.7

D.6 Crude Oil Production

98.9

101.3

99.4

101.4

100.8

98.0

102.0

98.7

102.1

101.6

92.8

102.9

D.7 Petroleum Refinery Production

96.1

100.5

100.0

101.8

101.0

95.9

100.4

97.9

101.7

103.6

96.4

104.5

D.8 Fertiliser Production

81.5

94.8

98.8

105.8

106.5

103.9

108.2

106.8

108.2

102.3

93.9

89.1

D.9 Natural Gas Production

97.5

101.4

98.4

102.0

100.8

98.0

102.9

99.6

102.6

102.0

92.0

102.7

D.10 Production of Commercial Motor Vehicles

91.7

94.3

89.1

97.0

97.2

99.3

101.2

102.8

96.4

107.3

104.3

118.2

E.1 Cargo handled at Major Ports

99.6

102.9

95.1

97.6

96.5

92.5

99.9

99.7

103.5

105.8

96.9

109.3

E.2 Railway Freight Traffic

97.7

101.1

96.7

97.7

95.3

92.6

97.8

97.9

104.3

106.4

98.6

113.8

E.3 Sales of Commercial Motor Vehicles

83.0

89.0

95.6

92.0

95.0

105.6

100.0

96.5

100.4

105.7

105.9

129.5

E.4 Passenger flown (Km) - Domestic

100.8

112.2

104.2

95.5

92.9

88.5

98.6

100.2

109.4

103.8

96.3

97.0

E.5 Passenger flown (Km) - International

96.1

99.9

101.1

107.1

104.5

92.9

92.2

94.8

106.8

110.4

94.2

100.7

E.6 Freight Tonne Km flown - Domestic

94.1

99.4

96.6

100.7

102.5

104.1

110.6

100.8

101.9

95.2

91.5

102.2

F.1 Exports

97.5

100.0

99.8

99.5

97.1

100.4

98.0

93.1

100.6

100.6

97.1

116.1

F.2 Imports

100.5

107.4

100.0

102.5

99.1

103.9

104.1

97.1

97.5

98.7

90.0

99.3

F.3 Non-Oil Non-Gold Imports

96.0

105.6

103.0

102.8

99.1

101.9

103.4

99.3

101.3

98.7

89.8

98.4


Table 2: Range (Difference Between Peak and Trough) of Seasonal Factors

Series/Year

2004- 05

2005- 06

2006- 07

2007- 08

2008- 09

2009- 10

2010- 11

2011- 12

2012- 13

2013- 14

Average Range

1

2

3

4

5

6

7

8

9

10

11

12

A.1.1 Broad Money (M3)

2.6

2.7

2.8

2.7

2.6

2.4

2.2

1.9

1.8

1.6

2.3

A.1.1.1 Net Bank Credit to Government

4.3

4.8

5.2

5.3

5.3

5.0

4.6

4.4

4.4

4.3

4.7

A.1.1.2 Bank Credit to Commercial Sector

4.3

4.8

5.2

5.3

5.3

5.0

4.6

4.4

4.4

4.3

3.8

A.1.2 Narrow Money (M1)

5.7

5.9

6.3

6.3

6.0

5.7

5.3

4.8

4.5

4.3

5.5

A.1.2.1 Currency with Public

6.9

6.8

6.9

6.7

6.6

6.3

6.0

5.7

5.5

5.4

6.3

A.1.3 Reserve Money (RM)

7.5

7.4

7.0

6.4

6.5

6.6

6.5

6.3

6.0

5.6

6.3

A.1.3.1 Currency in Circulation

7.0

6.9

6.9

6.8

6.6

6.3

5.9

5.6

5.3

5.1

6.2

A.1.3.1.1 Notes in Circulation

7.2

7.1

7.0

6.9

6.7

6.4

6.1

5.8

5.6

5.5

6.4

A.2.1 Aggregate Deposits (SCBs)

2.7

3.0

3.1

3.0

2.8

2.6

2.2

1.8

1.6

1.6

2.5

A.2.1.1 Demand Deposits (SCBs)

12.9

14.2

14.7

14.4

14.2

13.0

11.2

9.1

7.1

6.4

11.9

A.2.1.2 Time Deposits (SCBs)

1.7

1.8

1.8

1.9

1.9

2.0

1.9

1.7

1.4

1.4

1.8

A.3.1 Cash in Hand and Balances with RBI (SCBs)

14.0

13.7

12.7

11.2

9.9

7.9

6.1

5.4

4.6

4.3

7.9

A.3.2 Assets with the Banking System (SCBs)

13.1

14.3

16.2

17.9

19.0

20.2

21.3

21.7

21.1

20.1

17.6

A.3.3 Bank Credit (SCBs)

3.5

3.7

3.9

4.1

4.3

4.2

3.9

3.5

3.1

2.8

3.7

A.3.3.1 Loans, Cash, Credits and Overdrafts (SCBs)

3.3

3.6

4.0

4.2

4.3

4.2

4.0

3.7

3.5

3.6

3.8

A.3.3.2 Non-Food Credit (SCBs)

3.9

4.1

4.3

4.5

4.6

4.4

4.0

3.6

3.1

2.8

3.9

A.3.4 Investments (SCBs)

3.4

3.4

3.5

3.6

4.0

4.3

4.5

4.5

4.5

4.4

4.3

B. WPI (Base 2004-05=100) All Commodities

1.4

1.5

1.6

1.7

1.7

1.4

1.1

1.1

1.3

1.4

1.4

B.1 WPI - Primary Articles

3.9

4.1

4.3

4.2

4.0

3.6

3.4

3.5

3.7

4.0

3.5

B.1.1 WPI - Food Articles

4.9

5.4

5.7

5.8

5.9

6.0

6.1

6.2

6.6

6.8

5.9

B.1.1.1 WPI - Food Grains (Cereals+Pulses)

1.6

1.9

2.2

2.4

2.4

2.3

2.4

2.5

2.7

2.8

2.3

B.1.1.1.1 WPI - Cereals

1.8

1.8

1.8

1.8

1.9

1.8

1.8

1.8

2.0

2.1

1.9

B.1.1.1.1.1 WPI - Wheat

5.8

5.4

4.7

4.3

3.8

3.5

3.4

3.7

4.1

4.2

4.3

B.1.1.1.1.2 WPI - Rice

2.0

1.8

1.5

1.4

1.6

1.9

2.3

2.9

3.5

3.8

2.3

B.1.1.1.2 WPI - Pulses

5.1

5.0

5.1

5.1

5.2

5.2

5.2

5.1

5.1

5.0

5.1

B.1.1.2 WPI - Fruits & Vegetables

20.1

20.1

19.4

18.6

17.7

17.0

16.8

17.0

18.1

19.0

18.4

B.1.1.3 WPI - Milk

1.2

1.0

0.7

0.5

0.4

0.6

0.9

1.1

1.2

1.3

0.9

B.1.1.4 WPI - Egg, Meat and Fish

5.2

5.1

4.6

3.8

3.0

2.6

3.5

4.1

4.4

4.3

4.1

B.1.1.4.1 WPI - Egg

13.9

12.3

10.6

9.1

8.1

7.6

8.6

10.2

11.4

12.2

10.4

B.1.1.4.2 WPI - Meat

5.2

4.7

3.8

2.9

2.0

1.5

1.4

1.8

2.1

2.4

2.8

B.1.1.4.3 WPI - Fish

7.9

8.3

7.6

6.0

4.8

3.9

4.4

5.2

5.6

5.7

5.9

B.1.1.5 WPI - Protein Items (viz., Pulses, Milk, Egg, Meat and Fish)

1.8

1.9

1.9

1.9

2.0

2.2

2.4

2.7

2.8

2.8

2.2

B.1.2 WPI - Non-Food Articles

2.2

2.5

2.7

2.8

2.4

2.8

3.1

3.0

2.9

2.4

2.7

B.1.2.1 WPI - Fibres

4.0

4.5

5.1

5.5

5.4

5.0

4.5

4.4

4.9

5.2

4.9

B.1.2.1.1 WPI - Raw Cotton

6.1

7.2

7.8

7.7

7.4

6.7

6.0

5.5

5.7

5.9

6.6

B.1.2.2 WPI - Oil Seeds

3.7

3.5

3.5

3.5

3.8

3.9

3.8

3.9

3.9

3.8

3.7

B.2 WPI - Manufactured Products

1.1

1.2

1.3

1.3

1.2

1.0

0.8

0.6

0.5

0.3

0.9

B.2.1 WPI - Food Products

1.9

1.6

1.2

1.0

1.0

1.2

1.3

1.5

1.7

2.0

1.4

B.2.1.1 WPI - Grain Mill Products

4.9

4.3

3.8

3.4

3.2

3.1

3.1

3.1

3.1

3.1

3.5

B.2.1.2 WPI - Sugar

2.0

1.9

2.2

2.9

3.9

4.9

5.3

5.1

4.7

4.3

3.7

B.2.1.3 WPI - Edible Oils

2.1

2.0

2.1

2.0

1.9

1.8

1.6

1.4

1.2

1.1

1.7

B.3 WPI - Non Food Manufactured Products

0.7

0.9

1.1

1.2

1.2

1.1

1.0

0.8

0.6

0.5

0.9

B.4 WPI - Non Food Non-Fuel

0.9

1.1

1.4

1.6

1.8

1.8

1.6

1.3

1.1

0.9

1.3

C.1 CPI for Industrial Workers (2001=100)

1.8

1.9

2.1

2.2

2.3

2.3

2.3

2.3

2.4

2.4

2.2

C.2 CPI for Agricultural Labourers (Base: 1986-87=100)

2.1

2.1

2.2

2.2

2.2

2.2

2.2

2.2

2.3

2.5

2.2

C.3 CPI for Rural Labourers (Base: 1986-87=100)

1.9

2.0

2.1

2.1

2.1

2.1

2.2

2.2

2.2

2.3

2.1


Table 2: Range (Difference Between Peak and Trough) of Seasonal Factors (Concld.)

Series/Year

2004- 05

2005- 06

2006- 07

2007- 08

2008- 09

2009- 10

2010- 11

2011- 12

2012- 13

2013- 14

Average Range

1

2

3

4

5

6

7

8

9

10

11

12

D. IIP (Base 2004-05 = 100) General Index

12.7

13.5

13.9

14.1

14.0

14.4

14.9

15.4

15.8

16.0

14.5

D.1.1 IIP - Basic Goods Industries

11.5

12.4

13.2

13.9

14.4

14.8

15.2

15.3

15.2

15.0

14.1

D.1.2 IIP - Intermediate Goods Industries

9.1

9.8

10.1

10.1

9.8

9.4

9.0

8.9

8.7

8.6

9.4

D.1.3 IIP - Consumer Goods Industries

17.9

16.0

15.2

14.7

14.8

15.3

16.0

16.9

17.9

18.4

16.3

D.1.3.1 IIP - Consumer Durable Goods Industries

12.4

12.4

11.6

10.4

8.7

9.3

10.5

12.2

13.1

14.3

11.5

D.1.3.1 IIP - Consumer Non-Durable Goods Industries

23.0

22.6

23.1

23.8

24.7

25.2

26.0

26.3

27.3

27.9

25.0

D.2.1 IIP - Mining

21.1

22.7

23.9

25.0

25.8

26.4

26.9

27.3

27.5

27.6

25.4

D.2.2 IIP - Manufacturing

14.2

14.7

14.8

14.4

14.0

14.4

14.9

15.4

15.6

15.6

14.8

D.2.2.1 IIP - Food products and beverages*

 

 

68.0

67.6

66.4

65.4

64.7

64.2

65.2

66.7

67.9

D.2.2.2 IIP - Textiles*

 

 

9.2

9.2

9.0

8.5

8.0

7.8

8.0

8.3

8.5

D.2.2.3 IIP - Wood and products of wood & cork except furniture; articles of straw & plating materials*

 

 

20.4

20.2

19.7

19.2

18.5

17.6

16.6

15.8

18.5

D.2.2.4 IIP - Paper and paper products*

 

 

11.0

11.0

11.0

10.6

10.1

9.6

9.1

9.0

10.2

D.2.2.5 IIP - Publishing, printing & reproduction of recorded media*

 

 

8.8

8.7

8.6

8.4

8.2

8.4

8.8

9.2

8.6

D.2.2.6 IIP - Coke, refined petroleum products & nuclear fuel*

 

 

11.3

10.9

10.6

10.7

10.8

10.7

10.8

10.9

10.8

D.2.2.7 IIP - Chemicals and chemical products*

 

 

10.0

10.3

10.7

10.6

10.3

9.5

8.8

9.0

9.9

D.2.2.8 IIP - Rubber and plastics products*

 

 

8.5

8.9

9.1

9.4

9.8

10.2

10.6

10.8

9.7

D.2.2.9 IIP - Other non-metallic mineral products*

 

 

16.4

16.5

16.8

17.4

18.0

18.6

19.0

19.4

17.7

D.2.2.10 IIP - Basic metals*

 

 

10.6

10.7

10.6

10.4

10.1

10.7

11.1

11.1

10.7

D.2.2.11 IIP - Fabricated metal products, except machinery & equipment*

 

 

42.1

43.4

46.1

49.6

53.6

56.9

59.2

60.5

51.4

D.2.2.12 IIP - Motor vehicles, trailers & semi-trailers*

 

 

25.9

25.9

26.0

26.2

26.5

26.6

26.7

26.9

26.3

D.2.2.13 IIP - Other transport equipment*

 

 

23.5

22.6

21.3

19.6

19.5

18.5

17.5

16.7

19.9

D.2.3 IIP - Electricity

10.3

9.9

9.8

10.3

10.7

11.2

11.2

11.0

11.7

12.4

10.8

D.3 Cement Production

21.7

21.3

21.2

21.6

22.5

23.4

24.1

25.0

25.7

26.2

24.2

D.4 Steel Production

12.6

12.2

11.7

10.7

10.1

10.5

10.7

10.9

10.8

11.0

11.1

D.5 Coal Production

39.2

42.2

45.7

48.5

50.4

52.3

54.5

56.3

57.2

57.2

50.4

D.6 Crude Oil Production

10.1

10.1

10.1

10.2

10.0

10.2

10.3

10.4

10.1

10.0

10.2

D.7 Petroleum Refinery Production

9.5

9.3

8.9

8.6

8.1

8.6

9.6

10.5

10.7

10.6

9.4

D.8 Fertiliser Production*

27.5

27.5

27.3

26.7

26.3

26.0

26.6

27.3

28.3

27.0

27.0

D.9 Natural Gas Production*

11.1

11.5

12.0

12.1

11.8

11.2

10.9

10.6

10.3

10.4

11.2

D.10 Production of Commercial Motor Vehicles

37.4

32.5

28.8

28.6

29.0

29.5

29.8

30.1

30.6

31.6

30.8

E.1 Cargo handled at Major Ports

18.0

18.3

18.2

17.8

17.3

16.7

16.3

15.7

15.3

15.0

16.9

E.2 Railway Freight Traffic

19.9

20.7

21.3

21.5

21.5

21.5

21.4

21.4

21.4

21.6

21.2

E.3 Sales of Commercial Motor Vehicles

57.5

53.3

50.4

47.5

45.2

43.3

42.0

41.5

41.7

42.3

46.5

E.4 Passenger flown (Km) - Domestic

21.7

20.8

21.1

22.6

23.8

25.3

26.0

26.5

26.3

26.2

24.0

E.5 Passenger flown (Km) - International

20.7

20.0

19.3

18.4

17.8

16.9

16.9

17.4

18.1

18.6

18.4

E.6 Freight Tonne Km flown - Domestic

13.6

14.6

16.4

18.3

20.0

21.5

22.5

22.4

21.6

20.9

19.2

F.1 Exports

26.6

24.6

21.9

19.9

19.7

20.6

22.3

23.9

24.8

25.1

23.0

F.2 Imports

20.6

21.7

22.7

22.3

20.6

17.4

14.5

12.2

12.1

12.9

17.7

F.3 Non-Oil Non-Gold Imports

12.5

14.2

16.5

19.2

20.5

19.9

18.1

15.7

14.0

12.9

16.4

*Seasonal adjustment for these series is based on 8 to 9 years data depending on availability. Guidelines of both, Office of National Statistics (ONS), UK, and US Census Bureau, however, suggest using more than ten years data for estimating stable monthly seasonal factors.


Table 3: Change in seasonal variation in 2013-14 vis-à-vis previous 5-years (2008-09 to 2012-13)

Series

2013-14

Average Range*

Change

Series

2013-14

Average Range*

Change

1

2

3

4

1

2

3

4

A.1.1 Broad Money (M3)

1.6

2.2

-0.5

C.1 CPI for Industrial Workers (Base: 2001=100)

2.4

2.3

0.1

A.1.1.1 Net Bank Credit to Government

4.3

4.8

-0.4

C.2 CPI for Agricultural Labourers (Base: 1986-87=100)

2.5

2.2

0.3

A.1.1.2 Bank Credit to Commercial Sector

4.3

4.8

-0.4

C.3 CPI for Rural Labourers (Base: 1986-87=100)

2.3

2.2

0.1

A.1.2 Narrow Money (M1)

4.3

5.3

-1.0

D. IIP (Base: 2004-05=100) General Index

16.0

14.9

1.1

A.1.2.1 Currency with Public

5.4

6.0

-0.6

D.1.1 IIP - Basic Goods Industries

15.0

15.0

0.0

A.1.3 Reserve Money (RM)

5.6

6.4

-0.7

D.1.2 IIP - Intermediate Goods Industries

8.6

9.2

-0.6

A.1.3.1 Currency in Circulation

5.1

5.9

-0.8

D.1.3 IIP - Consumer Goods Industries

18.4

16.2

2.2

A.1.3.1.1 Notes in Circulation

5.5

6.1

-0.6

D.1.3.1 IIP - Consumer Durable Goods Industries

14.3

10.8

3.5

A.2.1 Aggregate Deposits (SCBs)

1.6

2.2

-0.6

D.1.3.2 IIP - Consumer Non-Durable Goods Industries

14.3

10.8

3.5

A.2.1.1 Demand Deposits (SCBs)

6.4

10.9

-4.6

D.2.1 IIP - Mining

27.6

26.8

0.8

A.2.1.2 Time Deposits (SCBs)

1.4

1.8

-0.4

D.2.2 IIP - Manufacturing

15.6

14.8

0.8

A.3.1 Cash in Hand and Balances with RBI (SCBs)

4.3

6.8

-2.4

D.2.2.1 IIP - Food products and beverages

2.4

2.3

0.1

A.3.2 Assets with the Banking System (SCBs)

20.1

20.7

-0.6

D.2.2.2 IIP - Textiles

8.3

8.3

0.0

A.3.3 Bank Credit (SCBs)

2.8

3.8

-1.0

D.2.2.3 IIP - Wood and products of wood & cork except furniture; articles of straw & plating materials

15.8

18.3

-2.5

A.3.3.1 Loans, Cash, Credits and Overdrafts (SCBs)

3.6

4.0

-0.4

D.2.2.4 IIP - Paper and paper products

9.0

10.1

-1.1

A.3.3.2 Non-Food Credit (SCBs)

2.8

3.9

-1.2

D.2.2.5 IIP - Publishing, printing & reproduction of recorded media

9.2

8.5

0.7

A.3.4 Investments (SCBs)

4.4

4.3

0.1

D.2.2.6 IIP - Coke, refined petroleum products & nuclear fuel

10.9

10.7

0.2

B. WPI (Base 2004-05=100) All Commodities

1.4

1.3

0.1

D.2.2.7 IIP - Chemicals and chemical products

9.0

10.0

-1.0

B.1 WPI - Primary Article

4.0

3.6

0.3

D.2.2.8 IIP - Rubber and plastics products

10.8

9.8

1.0

B.1.1 WPI - Food Articles

6.8

6.2

0.6

D.2.2.9 IIP - Other non-metallic mineral products

19.4

17.9

1.4

B.1.1.1 WPI - Food Grains (Cereals+Pulses)

2.8

2.5

0.3

D.2.2.10 IIP - Basic metals

11.1

10.6

0.6

B.1.1.1.1 WPI - Cereals

2.1

1.8

0.3

D.2.2.11 IIP - Fabricated metal products, except machinery & equipment

60.5

53.1

7.4

B.1.1.1.1.1 WPI - Wheat

4.2

3.7

0.4

D.2.2.12 IIP - Motor vehicles, trailers & semi-trailers

26.9

26.4

0.5

B.1.1.1.1.2 WPI - Rice

3.8

2.5

1.3

D.2.2.13 IIP - Other transport equipment

16.7

19.3

-2.6

B.1.1.1.2 WPI - Pulses

5.0

5.2

-0.1

D.2.3 IIP - Electricity

12.4

11.1

1.3

B.1.1.2 WPI - Fruits & Vegetables

19.0

17.3

1.7

D.3 Cement Production

26.2

24.1

2.0

B.1.1.3 WPI - Milk

1.3

0.8

0.5

D.4 Steel Production

11.0

10.6

0.4

B.1.1.4 WPI - Egg, Meat and Fish

4.3

3.5

0.8

D.5 Coal Production

57.2

54.1

3.1

B.1.1.4.1 WPI - Egg

12.2

9.2

3.0

D.6 Crude Oil Production

10.0

10.2

-0.2

B.1.1.4.2 WPI - Meat

2.4

1.8

0.6

D.7 Petroleum Refinery Production

10.6

9.5

1.1

B.1.1.4.3 WPI - Fish

5.7

4.8

0.9

D.8 Fertiliser Production

27.0

26.9

0.2

B.1.1.5 WPI - Protein Items (viz., Pulses, Milk, Egg, Meat and Fish)

2.8

2.4

0.4

D.9 Natural Gas Production

10.4

11.0

-0.5

B.1.2 WPI - Non-Food Articles

2.4

2.8

-0.4

D.10 Production of Commercial Motor Vehicles

31.6

29.8

1.8

B.1.2.1 WPI - Fibres

5.2

4.9

0.4

E.1 Cargo handled at Major Ports

15.0

16.3

-1.3

B.1.2.1.1 WPI - Raw Cotton

5.9

6.3

-0.4

E.2 Railway Freight Traffic

21.6

21.4

0.1

B.1.2.2 WPI - Oil Seeds

3.8

3.9

-0.1

E.3 Sales of Commercial Motor Vehicles

26.2

24.1

2.0

B.2 WPI - Manufactured Products

0.3

0.8

-0.5

E.4 Passenger flown (Km) - Domestic

42.3

42.7

-0.4

B.2.1 WPI - Food Products

2.0

1.3

0.7

E.5 Passenger flown (Km) - International

18.6

17.4

1.1

B.2.1.1 WPI - Grain Mill Products

3.1

3.1

0.0

E.6 Freight Tonne Km flown - Domestic

20.9

21.6

-0.7

B.2.1.2 WPI - Sugar

4.3

4.8

-0.5

F.1 Exports

25.1

22.3

2.8

B.2.1.3 WPI - Edible Oils

1.1

1.6

-0.5

F.2 Imports

12.9

15.4

-2.5

B.3 WPI - Non Food Manufactured Products

0.5

1.0

-0.5

F.3 Non-oil Non-Gold Imports

12.9

17.7

-4.8

B.4 WPI - Non Food Non-Fuel

0.9

1.5

-0.6

 

 

 

 

*Average Range of Monthly Seasonal Factors for the last 5-years (2008-09 to 2012-13).


Table 4: List of Top-Twenty and Bottom-Twenty Series based on Average Range of Monthly Seasonal Factors during Last Five Years

Top-Twenty Series

Average Range

Peak Month

Trough Month

Bottom-Twenty Series

Average Range

Peak Month

Trough Month

1

2

3

4

1

2

3

4

D.2.2.1 IIP - Food products and beverages

65.3

Jan

Sep

B.2.1.1 WPI - Grain Mill Products

3.1

Jan

May

D.2.2.11 IIP - Fabricated metal products, except machinery & equipment

56.0

Mar

Apr

B.1.1.1.1.2 WPI - Rice

2.9

Oct

Mar

D.5 Coal Production

55.5

Mar

Sep

B.1.2 WPI - Non-Food Articles

2.8

Apr

Oct

E.3 Sales of Commercial Motor Vehicles

42.2

Mar

Apr

B.1.1.5 WPI - Protein Items (viz., Pulses, Milk, Egg, Meat and Fish)

2.6

Sep

Apr

D.10 Production of Commercial Motor Vehicles

30.3

Mar

Jun

B.1.1.1 WPI - Food Grains (Cereals+Pulses)

2.5

Oct

May

D.2.1 IIP - Mining

27.1

Mar

Sep

C.1 CPI for Industrial Workers (Base: 2001=100)

2.3

Oct

Mar

D.8 Fertiliser Production

27.0

Oct

Apr

C.2 CPI for Agricultural Labourers (Base: 1986-87=100)

2.3

Nov

Mar

D.2.2.12 IIP - Motor vehicles, trailers & semi-trailers

26.6

Mar

Jun

C.3 CPI for Rural Labourers (Base: 1986-87=100)

2.2

Oct

Mar

D.1.3.1 IIP - Consumer Non-Durable Goods Industries

26.5

Jan

Sep

A.1.1 Broad Money (M3)

2.0

Apr

Dec

E.4 Passenger flown (Km) - Domestic

26.1

May

Sep

A.2.1 Aggregate Deposits (SCBs)

2.0

Apr

Dec

D.3 Cement Production

24.9

Mar

Aug

B.1.1.1.1 WPI - Cereals

1.9

Oct

Apr

F.1 Exports

23.0

Mar

Nov

B.1.1.4.2 WPI - Meat

1.8

Jan

Apr

E.6 Freight Tonne Km flown - Domestic

21.8

Oct

Feb

A.2.1.2 Time Deposits (SCBs)

1.6

Apr

Dec

E.2 Railway Freight Traffic

21.4

Mar

Sep

B.2.1 WPI - Food Products

1.5

Sep

Mar

A.3.2 Assets with the Banking System (SCBs)

20.9

Mar

Nov

B.2.1.3 WPI - Edible Oils

1.4

Aug

Nov

D.2.2.9 IIP - Other non-metallic mineral products

18.5

Mar

Sep

B.4 WPI - Non Food Non-Fuel

1.3

May

Dec

D.2.2.13 IIP - Other transport equipment

18.4

Mar

Apr

B. WPI (Base 2004-05=100) All Commodities

1.3

Sep

Mar

F.2 Imports

17.7

May

Feb

B.1.1.3 WPI - Milk

1.0

Jul

Mar

E.5 Passenger flown (Km) - International

17.6

Jan

Sep

B.3 WPI - Non Food Manufactured Products

0.8

Apr

Dec

B.1.1.2 WPI - Fruits & Vegetables

17.6

Oct

Feb

B.2 WPI - Manufactured Products

0.7

May

Dec


* Prepared in the Modeling and Forecasting Division of the Department of Statistics and Information Management, Reserve Bank of India, Mumbai.

1 The previous article in the series was published in October 2013 issue of the Reserve Bank of India, Bulletin.

2 http://www.census.gov/srd/www/x13as/

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