Agricultural Producer Price Indices
The FAO indices of agricultural producer prices measure the average annual change over time in the selling prices received by farmers (prices at the farm-gate or at the first point of sale. The indices are constructed using price data in Standardised Local Currency (SLC).
There are two categories of producer price indices available in FAOSTAT:
The main source of data for producer prices and production is the data reported by countries to FAO. This data is available in FAOSTAT in the Prices and Production data domains.
Coverage of countries:
The indices are available for all countries for which both price and production data are disseminated in FAOSTAT.
The base years of the indices are 2004-2006. The weight used for the aggregate index (Agriculture Producer Price Index) is the average production value for the years 2004, 2005 and 2006.
The indices are available from 1999 to the latest year of data availability.
The Agriculture Producer Price Index is calculated by the Laspeyres formula. The index is calculated by summing the SLC price for a given year multiplied by production quantity in base year for all items in the aggregate and dividing by the sum of the SLC price in the base year multiplied by production quantity for the base year for the same items.
The individual item indices are calculated by dividing the SLC price in a given year by the SLC price in the base year.
Pit = price of item i in period t
Pio = price of item i in base year
Qio = quantity of item i produced in base year
Monthly commodities prices and indices [The World Bank], http://data.worldbank.org/data-catalog/commodity-price-data
Statistics on retail prices and indices [International Labour Organization], http://laborsta.ilo.org/data_topic_E.html
Primary Commodity Prices and Price Indices [IMF], http://www.imf.org/external/np/res/commod/index.asp
The Monthly Bulletin of Statistics [United Nations], http://unstats.un.org/unsd/mbs/app/DataSearchTable.aspx
FAO Food Price Index [FAO], http://www.fao.org/worldfoodsituation/wfs-home/en/
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