Expected effects from partially lifting tariff barriers on the Mexican agricultural sector are investigated using a restricted profit function (RPF) approach. Short-run and intermediate-run effects of the implementation of GATT minimum tariff provisions on Mexican agricultural trade are...

Revelation of criteria implicit in setting policy is addressed in a political economic framework that includes identification and estimation of unknown parameters in the presence of multiple sources of uncertainty. Policy formation is viewed as an optimization process under which the government...

Using the Heckamn approach, either in single-equation or multi-equation settings, general expressions are derived for calculating marginal effects and elasticities. In the conventional calculation of marginal effects, terms related to the change in the inverse of Mills ratio are omitted. Using...