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Status-Seeking in Hedonic Games with Heterogeneous Players AgEcon
Lazarova, Emiliya A.; Dimitrov, Dinko.
We study hedonic games with heterogeneous player types that reflect her nationality, ethnic background, or skill type. Agents' preferences are dictated by status-seeking where status can be either local or global. The two dimensions of status define the two components of a generalized constant elasticity of substitution utility function. In this setting, we characterize the core as a function of the utility's parameter values and show that in all cases the corresponding cores are non-empty. We further discuss the core stable outcomes in terms of their segregating versus integrating properties.
Tipo: Working or Discussion Paper Palavras-chave: Coalitions; Core; Stability; Status-seeking; Environmental Economics and Policy; C78; J41; D71.
Ano: 2010 URL: http://purl.umn.edu/96838
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Political Mergers as Coalition Formation AgEcon
Weese, Eric.
Political coalition formation games can describe the formation and dissolution of nations, as well as the creation of coalition governments, the establishment of political parties, and other similar phenomena. These games have been studied from a theoretical perspective, but the resulting models have not been used extensively in empirical work. This paper presents a method of estimating political coalition formation models with many-player coalitions, and then illustrates this method by estimating structural coefficients that describe the behaviour of municipalities during a recent set of municipal mergers in Japan. The method enables counterfactual analysis, which in the Japanese case shows that the national government could increase welfare via a...
Tipo: Working or Discussion Paper Palavras-chave: C63; D71; H77; Political Economy; Public Economics; Computational techniques; Coalitions; Municipalities.
Ano: 2011 URL: http://purl.umn.edu/107268
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Many-to-One Matching when Colleagues Matter AgEcon
Revilla, Pablo.
This paper studies many-to-one matching market in which each agent’s preferences not only depend on the institution that hires her, but also on the group of her colleagues, which are matched to the same institution. With an unrestricted domain of preferences the non-emptiness of the core is not guaranteed. Under certain conditions on agents’ preferences, we show that two possible situations in which, at least, one stable allocation exists, emerge. The first condition, called Group Togetherness, reflects real-life situations in which agents are more concerned about an acceptable set of colleagues than about the firm hiring them. The second one, Common Best Colleague, refers to markets in which a workers’ ranking is accepted by workers and firms present...
Tipo: Working or Discussion Paper Palavras-chave: Many-to-one matching; Hedonic; Coalitions; Stability; Colleagues; Marketing; C78; D71.
Ano: 2007 URL: http://purl.umn.edu/7443
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Networks with Group Counterproposals AgEcon
Nieva, Ricardo.
We study two n-player sequential network formation games with externalities. Link formation is tied to simultaneous transfer selection in a Nash demand like game in each period. Players in groups can counterpropose. We give necessary and sufficient conditions for efficiency in terms of cyclical monotonicity. The n-player group version always yields efficiency.
Tipo: Working or Discussion Paper Palavras-chave: Efficiency; Bargaining Protocol; Counterproposals; Network Formation; Transfers; Externalities; Groups; Coalitions; C71; C72; C73; C78.
Ano: 2008 URL: http://purl.umn.edu/42901
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Coalitional Matchings AgEcon
Dimitrov, Dinko; Lazarova, Emiliya A..
A coalitional matching is a two-sided matching problem in which agents on each side of the market may form coalitions such as student groups and research teams who - when matched - form universities. We assume that each researcher has preferences over the research teams he would like to work in and over the student groups he would like to teach to. Correspondingly, each student has preferences over the groups of students he wants to study with and over the teams of researchers he would like to learn from. In this setup, we examine how the existence of core stable partitions on the distinct market sides, the restriction of agents’ preferences over groups to strict orderings, and the extent to which individual preferences respect common rankings shape the...
Tipo: Working or Discussion Paper Palavras-chave: Coalitions; Common Rankings; Core; Stability; Totally Balanced Games; Two-Sided Matchings; C78; J41; D71.
Ano: 2008 URL: http://purl.umn.edu/37523
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