In general, empirical studies on economics rely on the assumption of constant capitalshare of income both at the aggregate level and at the sector level. However, there is noempirical evidence supporting the constancy of capital share at the sector level. In thispaper, using Colombian data, we...

In general, empirical studies on economics rely on the assumption of constant capital share of income both at the aggregate level and at the sector level. However, there is no empirical evidence supporting the constancy of capital share at the sector level. In this paper, using Colombian data,...

We use annual data on capital's share and relative factor prices from 35 US industries from 1960 to 2005 to test the induced innovation hypothesis. We derive, from a productionfunction framework, testable implications for the effect of contemporaneous and lagged factor price ratios on capital's...