The Financial Crisis of 2008, and the Great Recession in its wake, have shaken up macroeconomics. The paradigm of the "New" Neoclassical Synthesis, which seemed to provide a robust framework of analysis for short-run macro not long ago, fails to capture key elements of the recent crisis. This...

Lucas (1972) was a paper that permanently changed the course of macroeconomics, even though its "money supply surprise" model lost its central place in the area within a decade because of empirical difficulties. However, Lucas's novel methodology, based on clearing markets and rational...