R and D cooperation and competition

…, JA Ordover, F Fisher, R Schmalensee - Brookings papers on …, 1990 - JSTOR
IN THE UNITED STATES, we largely rely on market forces to give private firms the incentive
to conduct research and development. Firms conduct R&D because it can generate the …

The status of competition theory in ecology

D Simberloff - Annales Zoologici Fennici, 1982 - JSTOR
… No data are cited that support the ^r model, and since the situation that exemplifies the model
- Chthamalus-Balanus competition - has been so thoroughly and satisfactorily explored in …

On the computation of the competition number of a graph

RJ Opsut - SIAM Journal on Algebraic Discrete Methods, 1982 - SIAM
competition number, which he showed to be well defined, is the smallest k such that G LI
Ik is a competition … recognizing competition graphs is NP-complete by reducing it to RCONTENT …

Dynamic r & d competition

GM Grossman, C Shapiro - The Economic Journal, 1987 - academic.oup.com
competition is (suddenly) over. In this paper we explore the dynamic aspects of R & D rivalry…
In particular, we focus our attention on how effort may vary over the course of a competition, …

[图书][B] Resource competition

JP Grover - 1997 - books.google.com
… The first hypothesis, the R -rule, applies to competition for one resource and claims that only
a single superior competitor persists, that which most depletes the available resource. The …

Coexistence of competitors in metacommunities due to spatial variation in resource growth rates; does R * predict the outcome of competition?

PA Abrams, WG Wilson - Ecology Letters, 2004 - Wiley Online Library
… A key point here is that the global outcome of competition is not predicted by the R* value
that would be measured when a consumer is in a single isolated patch [R i * = d i /(b i C i )]. …

Competition and innovation

RJ Gilbert - Journal of Industrial Organization Education, 2006 - degruyter.com
… Key issues are the extent of competition in product markets and in R&D, the degree of
protection from imitators, and the dynamics of R&D competition. Competition in the product market …

Economic growth: should policy focus on investment or dynamic competition?

SD Hunt - European Business Review, 2007 - emerald.com
R‐A theory is a general theory of competition that describes the process of … R‐A theory
maintains that economic growth is produced by the process of vigorous R‐A competition. That is, …

A general model of r & d competition and policy

A Dixit - The RAND Journal of Economics, 1988 - JSTOR
This article constructs a model of R&D with heterogeneous firms. Each firm's probability of
success is a function of its sunk and recurrent R&D expenditures. The social gains from an …

Cooperation and competition between relatives

SA West, I Pen, AS Griffin - Science, 2002 - science.org
… In the extreme, with inelastic population regulation (b = c + d), if an individual is equally
related to the beneficiary of their altruism and their competitors (r xy =r xe ), then altruism cannot …