A prototypical vintage capital model of economic growth is developed, where the decision to replace old technologies with new ones is modeled explicitly. Technological change is investment specific. Depreciation in this environment is an economic , not a physical concept.

Was 1994 a watershed ? It saw an inrease in the rate of technological change in the production of new equipment. It was the start of a sharp rise in income inequality. It signaled the beginning of the productivity slowdown. Were these phenomena related? Could they have been the result of an...

Electricity was born at the dawn of the last century. Households are inundated with a flood of consumer durables. What was the impact of this consumer goods revolution. It is argued here that the consumer goods revolution was conducive to liberating women from the home. To analyze this...