We prove that in a closed economy without distortionary taxation, the welfare of a representativeconsumer is summarized to a …rst order by the current and expected future values of the Solowproductivity residual in level and by the initial endowment of capital. The equivalence holds if...

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...