Notes for lecture sessions 1–7 (PDF - 1.1MB) Financial Crisis and Our Models (PDF) Introduction and the IS-LM Model (PDF) Explaining C. Romer Numbers (PDF) Medium Run (PDF) U.S. Trade Balance and Current Account in 2009 (PDF) Fiscal Policy (PDF) Time Inconsistency and the Inflation Bias (PDF) The Crisis: Where Are We? (PDF)