publications

Shocking Stuff: Technology, Hours, And Factor Substitution

The response of hours to technology shocks is a key controversy in macroeconomics. We show that differences between RBC and NK models hinge on highly restrictive views of technology. We introduce CES production technologies and demonstrate that the …

A fiscal stimulus with deep habits and optimal monetary policy

A New-Keynesian model with deep habits and optimal monetary policy delivers a larger-than-1 fiscal multiplier and consumption crowding in. Optimized Taylor-type rules dominate a conventional Taylor rule. Consumption is crowded out if the Taylor rule …

Getting normalization right: Dealing with ‘dimensional constants’ in macroeconomics

We contribute to a recent literature on the normalization, calibration and estimation of CES production functions. The problem arises because CES ‘share’ parameters are not in fact shares, but depend on underlying dimensions—in other words they are …