This paper analyzes the sources of recent U.S. productivity growth using both aggregate and industry-level data. The paper confirms the central role of information technology in the productivity revival during 1995-2000 and shows that it played a significant, although smaller, role after 2000....

This paper provides a new breakdown of past U.S. economic growth into its trend and cyclical components, using a mix of detrending methods. This decomposition is then used to interpret the extraordinary productivity performance of the U.S. economy since 1995 and especially since mid-2000. The...

Starting from the standard Gordon inflation model, which explains price changes by inertia, demand shocks, and supply shocks but excludes wages, the first part of this paper returns wages to the analysis by developing a model that includes both price and wage equations. The model allows for...

The basic machines of macroeconomics. Ramsey, Solow, Samuelson-Diamond, RBCs, ISLM, Mundell-Fleming, Fischer-Taylor. How they work, what shortcuts they take, and how they can be used. Half-term subject. From the course home page: Course Description This is the second course in the four-quarter...

This note critically evaluates the New Classical Macroeconomics from a Marshallian perspective. Revisiting the famous Keynes-Tinbergen controversy, it is argued that Keynes' criticism comprises the "Lucas critique", and that it is misleading to label this a critique of Keynesian economics. The...