This paper provides a quantitative answer to the ‘sectoral comovement puzzle'. We extend the two-sector New Keynesian model with flexible durable good prices and sticky non-durable good prices by:(i) labour search and matching frictions and (ii) internal habit formation in non-durable...

The standard two-sector monetary business cycle model suffers from an important deficiency. Since durable good prices are more flexible than non-durable good prices, optimising households build up the stock of durable goods at low cost after a monetary contraction. Consequently, sectoral outputs...

Business cycle models with sticky prices and endegenous firm entry make novel predictions on the transmission of shocks through the extensive margin of investment. This paper tests some of these predictions using a vector autoregression with model-based sign restrictions. We find a positive and...

This paper characterises optimal monetary policy in an economy with endogenous firm entry, a cash-in-advance constraint and preset wages. Firms must make profits to cover entry costs; thus the markup on goods prices is efficient. However, because leisure is not priced at a markup, the...