Gali, Jordi; Gertler, Mark; Lopez-Salido, J. David - National Bureau of Economic Research (NBER) - 2002
In this paper we present a simple, theory-based measure of the variations in aggregate economic efficiency associated with business fluctuations. We decompose this indicator, which we refer to as 'the gap', into two constituent parts: a price markup and a wage markup, and show that the latter...