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What caused the rise and fall of tech stocks? I argue that a mechanism much like the transactions demand for money drove many stock prices above the 'fundamental value' they would have had in a frictionless market. I start with the Palm/3Com microcosm and then look at tech stocks in general....
Persistent link: https://www.econbiz.de/10012469727
A surprisingly large amount of commentary today marks the beginning of the dot-com bubble of the late 1990s from either the Netscape Communications initial public offering of 1995 or Alan Greenspan's "irrational exuberance" speech of 1996. We believe that this is wrong: we see little sign that...
Persistent link: https://www.econbiz.de/10012466660
We model the relationship between asset float (tradeable shares) and speculative bubbles. Investors trade a stock with limited float because of insider lock-ups. They have heterogeneous beliefs due to overconfidence and face short-sales constraints. A bubble arises as price overweighs optimists'...
Persistent link: https://www.econbiz.de/10012467316
We propose a framework for understanding recurrent historical episodes of vigorous economic expansion accompanied by extreme asset valuations, as exhibited by the U.S. in the 1990s. We interpret this phenomenon as a high-valuation equilibrium with a low effective cost of capital based on...
Persistent link: https://www.econbiz.de/10012468175
During the Second Industrial Revolution, 1860-1900, many new technologies, including electricity, were invented. These inventions launched a transition to a new economy, a period of about 70 years of ongoing, rapid technical change. After this revolution began, however, several decades passed...
Persistent link: https://www.econbiz.de/10012470039
We review the evidence that artificial intelligence (AI) is having a large effect on the economy. Across a variety of statistics--including robotics shipments, AI startups, and patent counts--there is evidence of a large increase in AI-related activity. We also review recent research in this...
Persistent link: https://www.econbiz.de/10012453031
The United States emerged from World War II as the acknowledged global leader in basic science and its industrial application. While U.S. science has been able to maintain that preeminence in most areas, the nation's technological lead has met increasingly formidable challenges from abroad....
Persistent link: https://www.econbiz.de/10012476553
We study the relationships between corporate R&D and three components of public science: knowledge, human capital, and … established firms, which account for more than three-quarters of business R&D, is affected by scientific knowledge produced by … commercialize university inventions. Moreover, abstract knowledge advances per se elicit little or no response. Our findings …
Persistent link: https://www.econbiz.de/10014437030
This article investigates how a firm's financial strength affects its dynamic decision to invest in R&D. We estimate a dynamic model of R&D choice using data for German firms in high-tech manufacturing industries. The model incorporates a measure of the firm's financial strength, derived from...
Persistent link: https://www.econbiz.de/10012456639
We present a theory of the organization of work in an economy where knowledge is an essential input in production: a … knowledge economy. In this economy a continuum of agents with heterogeneous skills must choose how much knowledge to acquire and … may produce on their own or in organizations. Our theory generates an assignment of workers to positions, a wage structure …
Persistent link: https://www.econbiz.de/10012467222