Extension of factual and analytical work to policy issues has been a feature of agricultural economics from its beginnings, but only in recent decades have these efforts become part of the scientific core of what agricultural economists do. At the same time, the range of policy analysis has...

This article employs the superlative Fisher and Trnqvist indexes for exact decomposition of growth in nominal revenues and costs. The findings confirm the well-known result that these indexes very closely approximate each other, implying that the mathematically simpler and computationally easier...