In this chapter we analyze the considerations that lead policy makers to undertake extension investments as a key public responsibility, as well as the complex set of factors and intra-agency incentives that explain why different extension systems' performance varies. Accordingly, the chapter...

Robert G. Chambers and John Quiggin, Uncertainty, Production, Choice, and Agency: The State-Contingent Approach James D. Gaisford and William A. Kerr, Economic Analysis for International Trade Negotiations: The WTO and Agricultural Trade Julian M. Alston, Philip G. Pardey and Michael J.Taylor,...