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...

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...

The European Central Bank (ECB) decided at its Council meeting in January to implement a comprehensive program to purchase bonds, including euro area government bonds. The purchases are intended to anchor the rate of inflation and inflation expectations at below but close to two percent again....

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...

Inflation in the euro area has been below the European Central Bank's target for almost a year now and it is also expected to remain at a very low level in the near future. On the one hand, such a low level of inflation is not in line with the ECB's objective. On the other hand, there is the...