نتایج جستجو برای: aggregative adherence

تعداد نتایج: 56333  

2010
Simon P. Anderson Nisvan Erkal Daniel Piccinin

Aggregative games are used to model strategic interaction in many …elds of economics, including industrial organization, political economy, international trade, and public …nance. In such games, each player’s payo¤ depends on his/her own actions and an aggregate of all player’s actions. Examples in industrial organization are the Cournot oligopoly model, logit and CES di¤erentiated products Ber...

Journal: :The Lancet. Infectious diseases 2011
Martina Bielaszewska Alexander Mellmann Wenlan Zhang Robin Köck Angelika Fruth Andreas Bauwens Georg Peters Helge Karch

BACKGROUND In an ongoing outbreak of haemolytic uraemic syndrome and bloody diarrhoea caused by a virulent Escherichia coli strain O104:H4 in Germany (with some cases elsewhere in Europe and North America), 810 cases of the syndrome and 39 deaths have occurred since the beginning of May, 2011. We analysed virulence profiles and relevant phenotypes of outbreak isolates recovered in our laborator...

Journal: :Development 1994
R D Soede R H Insall P N Devreotes P Schaap

Extracellular cAMP induces expression of several classes of developmentally regulated genes in Dictyostelium. Four highly homologous surface cAMP receptors (cARs) were identified earlier, but involvement of specific cARs in gene regulation has not been clarified. Cells lacking the chemotactic receptor, cAR1, neither aggregate nor express developmentally regulated genes. Expression of aggregativ...

2014
Gaylord A. Desurmont Ann E. Hajek Anurag A. Agrawal

1. Plant defence of Viburnum shrubs against oviposition by its specialist herbivore, the viburnum leaf beetle [VLB Pyrrhalta viburni(Paykull)], involves an egg-crushing wound response in twigs. Although the response is variable among Viburnum species, it can have a strong impact on egg survivorship. Beetles typically aggregate egg masses with conspecifics along infested twigs, forming clusters ...

2002
Richard Cornes Roger Hartley

We exploit the aggregative structure of the public good model to provide a simple analysis of the voluntary contribution game. In contrast to the best response function approach, ours avoids the proliferation of dimensions as the number of players is increased, and can readily analyse games involving many heterogeneous players. We demonstrate the approach at work on the standard pure public eco...

2005
Tara Nicholson Martin Allen

This paper is an exploratory introduction to issues surrounding the combinatorial expressivity and computational complexity of weakly aggregative modal logic (WAL) – the latter insofar as it relates to the former, but also more generally. We begin by showing how WAL allows us to define a natural hierarchy of (recognition) optimization problems not generally available in logics as strong as K. I...

Journal: :Mathematical Social Sciences 2021

Due to externalities, the equilibrium behavior in aggregative games is not efficient sense of maximizing aggregate payoff. We characterize conditions such that efficiency can be globally implemented under evolutionary dynamics. If payoffs satisfy certain important concavity conditions, then payoff function these has a unique maximizer. Once planner imposes transfer equal externality generated b...

2001
TODD W. ANDERSON

Detection of density dependence in animal populations is a primary goal of population ecology, and the processes causing density dependence play a major role in population regulation. Predation can strongly regulate populations by populational and behavioral responses of predators to their prey. Here I evaluate the existence and strength of density-dependent mortality in local populations of a ...

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