The United States bans imports of certain agricultural and wildlife goods that can carry pathogens or diseases or whose harvest can threaten wildlife stocks or endanger species. Despite these bans, contraband is regularly uncovered in inspections of cargo containers and in domestic markets. This...

Extension of factual and analytical work to policy issues has been a feature of agricultural economics from its beginnings, but only in recent decades have these efforts become part of the scientific core of what agricultural economists do. At the same time, the range of policy analysis has...