In the last decade there has been an increasing interest in the political economy of agricultural protection (PEAP). A recent development is the treatment of policy intervention as endogenous rather than exogenous, within a public choice framework. The authors investigate the prominent determinants of agricultural protection across industrialized and developing countries. They find evidence that producer subsidy equivalents (PSEs) provide the widest coverage of effects of different policy instruments.
Chaudhary, Sudhir and Gautam, Virender, "An Empirical Estimation of the Probability of Agricultural Subsidies for Wheat" (1997). CARD Working Papers. 177.