In the past several years, the seed industry worldwide has been dramatically restructured, mostly through mergers and acquisitions. We argue that the restructuring has been technologically driven, and has also resulted in the transformation of several chemical conglomerates into life-sciences...

Policy preference functions (PPFs) explicate trade-offs among various political economic groups concerned with the policy process. Estimation methods for PPFs are detailed. The stochastic nature of PPF parameters is discussed and a method for developing standard errors is introduced. Hypothesis...