Contests on networks

IF 1.2 3区经济学 Q3 ECONOMICS Economic Theory Pub Date : 2024-03-21 DOI:10.1007/s00199-024-01562-z

Alexander Matros, David Rietzke

引用次数: 0

Abstract

We develop a model of contests on networks. Each player is connected to a set of contests and exerts a single effort to increase the probability of winning each contest to which she is connected. We explore how behavior is shaped by the pattern of interactions and characterize the networks that tend to induce greater effort; in particular, we show that the complete bipartite network is the unique structure that maximizes aggregate player effort. We also obtain a new exclusion result—akin to the Exclusion Principle of Baye et al. (Am Econ Rev 83(1):289-294, 1993)—which holds under the lottery CSF, and contrasts prior work in contests. Finally, new insight into uniqueness of equilibrium for network contest games is provided. Our framework has a broad range of applications, including research and development, advertising, and research funding.

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网络竞赛

我们建立了一个网络竞赛模型。每个参赛者都与一组竞赛相关联，并通过单次努力来提高赢得与之相关联的每场竞赛的概率。我们探讨了互动模式是如何影响行为的，并描述了倾向于诱导更大努力的网络的特征；特别是，我们证明了完整的二方网络是使玩家总努力最大化的唯一结构。我们还得到了一个新的排除结果--类似于贝伊等人的排除原则（Am Econ Rev 83(1):289-294, 1993）--它在彩票 CSF 下成立，并与之前的竞赛工作形成对比。最后，我们对网络竞赛博弈均衡的唯一性提出了新的见解。我们的框架应用广泛，包括研发、广告和研究经费。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Economic Theory ECONOMICS-

CiteScore

2.50

自引率

23.10%

发文量

期刊介绍： The purpose of Economic Theory is to provide an outlet for research - in all areas of economics based on rigorous theoretical reasoning, and - on specific topics in mathematics which is motivated by the analysis of economic problems. Economic Theory''s scope encompasses - but is not limited to - the following fields. - classical and modern equilibrium theory - cooperative and non-cooperative game theory - macroeconomics - social choice and welfare - uncertainty and information, intertemporal economics (including dynamical systems) - public economics - international and developmental economics - financial economics, money and banking - industrial organization Economic Theory also publishes surveys if they clearly picture the basic ideas at work in some areas, the essential technical apparatus which is used and the central questions which remain open. The development of a productive dialectic between stylized facts and abstract formulations requires that economic relevance be at the forefront. Thus, correct, and innovative, mathematical analysis is not enough; it must be motivated by - and contribute to - the understanding of substantive economic problems. Officially cited as: Econ Theory

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