A set of purchasing power parities was constructed for the inputs and the outputs of the agricultural sector in 10 European countries and the United States. This made it possible to deflate both spatially and in time the nominal agricultural accounts. Real values of inputs and outputs made it...

In order to measure the effect of public support on production, aggregate measures are constructed as effective rates of protection, including all government interventions that affect supply. These measures are constructed considering effective protection rates as a superlative index number,...