Capital-labor substitution and TFP estimates are essential features of many economic models. Such models typically embody a balanced growth path. This often leads researchers to estimate models imposing stringent prior choices on technical change. We demonstrate that estimation of the...

In the transition periods between new technologies, marked setbacks in productivity growth are possible. Whereas new private goods are not fully visible in national accounts, often only their negative substitution effects turn up. If this is a market phenomenon, it should be reflected in weaker...