This paper extends a New Keynesian model to include roles for currency and depositsas competing sources of liquidity services demanded by households. It showsthat, both qualitatively and quantitatively, the Barnett critique applies: While a Divisiaaggregate of monetary services tracks the true...

This paper constructs a two-country stochastic growth model in which neutraland investment-specic technology shocks are nonstationary but cointegrated acrosseconomies. It uses this model to interpret data showing that while real investmenthas grown faster than real consumption in the United...