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TECHNICAL CHANGE AND THE RATE OF IMITATION
This paper investigates the factors determining how rapidly the use of a new technique spreads from one firm to another. A simple model is presented to help explain differences among innovations in
Patents and Innovation: An Empirical Study
To what extent would the rate of development and introduction of inventions decline in the absence of patent protection? To what extent do firms make use of the patent system, and what differences
Imitation Costs and Patents: An Empirical Study
It has long been recognised that the costs of imitating new products have an important effect on the incentives for innovation in a market economy.' As Arrow (I962) and others have pointed out, if
The Production and Distribution of Knowledge in the United States.
by Fritz Machlup. Princeton, New Jersey: Princeton University Press, 1962. Pp. xx+416. $7.50. In this book Professor Machlup has twice defined knowledge as "any human (or human-induced) activity
ENTRY, GIBRAT'S LAW, INNOVATION, AND THE GROWTH OF FIRMS
Using econometric results and models, Mansfield contributes toward the understanding of the dynamic aspects of an industry's composition and structure, especially the birth, growth, and death of
How Rapidly Does New Industrial Technology Leak Out
There have been no systematic empirical studies of the speed at which various kinds of technological information leak out to rival firms. To help fill this gap, data were obtained from 100 American
Support for Free Trade: Self-Interest, Sociotropic Politics, and Out-Group Anxiety
Abstract Although it is widely acknowledged that an understanding of mass attitudes about trade is crucial to the political economy of foreign commerce, only a handful of studies have addressed this
Why Democracies Cooperate More: Electoral Control and International Trade Agreements
Over the past fifty years, barriers to international trade have decreased substantially. A key source of this decline in protectionism has been the proliferation of agreements among countries to
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