The paper studies the patent productivity of scientists over their life cycle. The incentives for patenting and for … publishing are compared and how they shape life cycle productivity. In most empirical studies, publication productivity decreases … productivity over the life time. In the empirical part the patents of nearly 1000 German patent active professors are analyzed. The …

The growth rate of total factor productivity seems to have increased recently, at least in the United States. Higher US … productivity growth may justify higher stock market valuations than in the past and thus herald an emerging New Economy. However …, the size of the estimated growth rate of total factor productivity depends on an assumption about the factor …