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...

The literature on optimal monetary policy in New Keynesian models under both commitment and discretion usually solves for the optimal allocations that are consistent with a rational expectations market equilibrium, but it does not study whether the policy can be implemented given the available...

The paper explores the relationship between financial stability, deflation, and monetary policy. A discussion of narrow liquidity, broad liquidity, market liquidity, and financial distress provides the foundation for the analysis. There are two preliminary conclusions. Equity prices are a...

Reasoning within the New Neoclassical Synthesis (NNS) we previously recommended that price stability should be the primary objective of monetary policy. We called this a neutral policy because it keeps output at its potential, defined as the outcome of an imperfectly competitive real business...

The paper proposes three options for overcoming the zero bound on interest rate policy: a carry tax on money, open market operations in long bonds, and monetary transfers. A variable carry tax on electronic bank reserves could enable a central bank to target negative nominal interest rates. A...

Accommodative monetary policy during the financial crisis was instrumental in preventing a deeper recession. Views differ, however, on how long such measures should be kept in place. At the heart of this debate is the notion that a protracted period of policy accommodation could create...

This paper investigates the transmission channel of macroprudential instruments in a closed economy DSGE model with a rich set of financial frictions. Banks' decisions on risky retail loan concessions are based on borrowers' capacity to settle their debt with labor income. We also introduce...

We provide an introduction to optimal fiscal and monetary policy using the primal approach to optimal taxation. We use this approach to address how fiscal and monetary policy should be set over the long run and over the business cycle. We find four substantive lessons for policymaking: Capital...