CONTENIDO: Models of policy divergence. -- A theory of institutional balancing. -- The midterm cycle. -- Diversity, persistence, and mobility. -- Incumbency and moderation. -- Partisan business cycles. -- The president, congress, and the economy. -- Economic growth and national elections in the United States: 1915-1988. -- Partisan economic policy and divided government in parliamentary democracies. Incluye referencias bibliográficas (p. 260-271) e índice.