"The authors study whether political campaign contributions influence agricultural protection in the United States in the manner suggested by the political economy model of Grossman and Helpman (1994). This is the first attempt to test this model using agricultural data. The authors test the...

"The author surveys the empirical literature on the political economy of agricultural protection. He uses a detailed data set of agricultural Political Action Committee (PAC) contributions over five U.S. congressional election cycles over the 1991-2000 period to investigate the relationship...

"The author examines, taking into account the urban-rural divides, the changes and welfare implications of income diversification in Zimbabwe following macroeconomic policy changes and droughts of the early 1990s. Data from two comparable national income, consumption and expenditure surveys in...