This chapter surveys the recent literature on the theory of macroeconomic policy. We study the effect of various incentive constraints on the policy making process, such as lack of credibility, political opportunism, political ideology, and divided government. The survey is organized in three...

Introduction: Time and Economic Policy -- Intertemporal Choices, Information, and Opportunity Sets: The Effectiveness of Monetary Policy -- Thinking Outside the Box: Giancarlo Marini, A Rigorous Eclectic Economist -- Fiscal Policy and Sovereign Debt Dynamics: (Re-)Assessing the Intertemporal...