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Success rates in simplified threshold public goods games - a theoretical model

Feige, Christian

Abstract:

This paper develops a theoretical model based on theories of equilibrium selection in order to predict success rates in threshold public goods games, i.e., the probability with which a group of players provides enough contribution in sum to exceed a predefined threshold value. For this purpose, a prototypical version of a threshold public goods game is simplified to a 2 x 2 normal-form game. The simplified game consists of only one focal pure strategy for positive contributions aiming at an efficient allocation of the threshold value. The game's second pure strategy, zero contributions, represents a safe choice for players who do not want to risk coordination failure. By calculating the stability sets of these two pure strategies, success rates can be put in explicit relation to the game parameters. It is also argued that this approach has similarities with determining the relative size of the strategies' basins of attraction in a stochastic dynamical system (cf. Kandori, Mailath, and Rob, 1993, Econometrica, Vol. 61, p. 29-56).


Volltext §
DOI: 10.5445/IR/1000048182
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Volkswirtschaftslehre (ECON)
Publikationstyp Forschungsbericht/Preprint
Publikationsjahr 2015
Sprache Englisch
Identifikator ISSN: 2190-9806
urn:nbn:de:swb:90-481825
KITopen-ID: 1000048182
Verlag Karlsruher Institut für Technologie (KIT)
Umfang 29 S.
Serie Working paper series in economics ; 70
Schlagwörter threshold public good, coordination games, learning, equilibrium selection
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