A new technology or product is often developed by the single entrepreneur. Whether he reaches the initial public offering stage or is acquired by a listed firm, it takes time for the innovator to add value to the stock market. Indeed, the innovation may, at first, reduce the market's value...

This is a specific investigation of the importance of technological change specific to new investment goods for postwar U.S. aggregate fluctuations. A growth model that incorporates this form of technological change is calibrated to U.S. data and simulated, using the relative price of new...

The role that investment-specific technological change played in generating postwar US growth is investigated here. The premise is that the introduction of new, more efficient capital goods is an important source of productivity change, and an attempt is made to disentangle its effects from the...