Explanations are provided for why governments do as they do in agriculture. Alternative frameworks are assessed to explain government policy including collective action and politician-voter interaction models. Several key patterns of policies are analyzed including the “developmental...

This paper examines the interdependence between imperfect competition and emis-sions trading in a two-sector (clean and dirty) economy. We compare the welfare implica-tions of an absolute cap-and-trade scheme (permit trading) with a relative intensity-basedscheme (credit trading). We nd...