1 Fiscal policy I: Optimal taxation with heterogeneity and idiosyncratic uncertainty
2 Public liquidity
3 Default and sovereign debt
4 Monetary policy with nominal rigidities
5 Liquidity traps
6 Fiscal policy II: Government spending
7 Time inconsistency and reputation
8 Borrowing constraints, investment, and fluctuations
9 Inefficient insurance
10 Employment and unemployment dynamics with wage rigidity
11 Classic coordination games in macroeconomics
12 Global games, with applications to crises
13 Beauty contests, social value of information, and information aggregation
14 Expectations and the business cycle
15 Informational frictions and monetary policy