Browsing Department of Economics (ECO) by Subject "C72"

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Browsing Department of Economics (ECO) by Subject "C72"

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    Title: Risk-sharing and contagion in networks  Author(s): CABRALES, Antonio; GOTTARDI, Piero; VEGA-REDONDO, Fernando Date: 2013 Type of Publication: Working Paper Series/Report no.: EUI ECO Abstract: The aim of this paper is to investigate how the capacity of an economic system to absorb shocks depends on the specific pattern of interconnections established among financial firms. The key trade-off at work is between ...
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    Title: The Pro-Competitive Effect of Campaign Limits in Non-Majoritarian Elections  Author(s): IARYCZOWER, Matias; MATTOZZI, Andrea Date: 2012 Type of Publication: Article Abstract: We study a model of elections in non-majoritarian systems that captures the link between competition in policies and competition in campaign spending. We argue that the overall competitiveness of the political arena depends ...
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    Title: The Structure of the Lattices of Pure Strategy Nash Equilibria of Binary Games of Strategic Complements  Author(s): RODRIGUEZ BARRAQUER, Tomas Date: 2012 Type of Publication: Working Paper Series/Report no.: EUI MWP Abstract: It has long been established in the literature that the set of pure strategy Nash equilibria of any binary game of strategic complements among a set N of players can be seen as a lattice on the set of all subsets of N under ...
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    Title: Strategic Mass Killings  Author(s): ESTEBAN, Joan; MORELLI, Massimo; ROHNER, Dominic Date: 2010 Type of Publication: Working Paper Series/Report no.: EUI ECO Abstract: Since World War II there have been about fifty episodes of large-scale mass killings of civilians and massive forced displacements. They were usually meticulously planned and independent of military goals. We provide a ...
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    Title: Natural Resource Distribution and Multiple Forms of Civil War  Author(s): MORELLI, Massimo; ROHNER, Dominic Date: 2010 Type of Publication: Working Paper Series/Report no.: EUI ECO Abstract: We examine how natural resource location, rent sharing and fighting capacities of different groups matter for ethnic con.ict. A new type of bargaining failure due to multiple types of potential conflicts (and hence multiple ...
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    Title: Markets for Information: Of Inefficient Firewalls and Efficient Monopolies  Author(s): CABRALES, Antonio; GOTTARDI, Piero Date: 2009 Type of Publication: Working Paper Series/Report no.: EUI ECO Abstract: In this paper we study, within a formal model, market environments where information is costly to acquire and is of use also to potential competitors. Agents may then sell, or buy, reports over the information acquired and ...
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    Title: Network Games  Author(s): GALEOTTI, Andrea; GOYAL, Sanjeev; JACKSON, Matthew O.; VEGA-REDONDO, Fernando; YARIV, Leeat Date: 2008 Type of Publication: Working Paper Series/Report no.: EUI ECO Abstract: In a variety of contexts - ranging from public goods provision to information collection - a player's well-being depends on own action as well as on the actions taken by his or her neighbors. We provide a framework to ...
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    Title: Friendship Selection  Author(s): RIVAS, Javier Date: 2007 Type of Publication: Working Paper Series/Report no.: EUI ECO Abstract: We model the formation of friendships as repeated cooperation within a set of heterogeneous players. The model builds around three of the most important facts about friendship: friends help each other, there is reciprocity ...
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    Title: Structural holes in social networks  Author(s): GOYAL, Sanjeev; VEGA-REDONDO, Fernando Date: 2007 Type of Publication: Article Abstract: We consider a setting where every pair of players that undertake a transaction (e.g. exchange goods or information) creates a unit surplus. A transaction can take place only if the players involved have a connection. If ...
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    Title: Learning Strict Nash Equilibria through Reinforcement  Author(s): IANNI, Antonella Date: 2007 Type of Publication: Working Paper Series/Report no.: EUI ECO Abstract: Abstract: This paper studies the analytical properties of the reinforcement learning model proposed in Erev and Roth (1998), also termed cumulative reinforcement learning in Laslier et al. (2001). The stochastic model of ...
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    Title: Imitation and Selective Matching In Reputational Games  Author(s): VIGNOLO, Thierry Date: 2007 Type of Publication: Working Paper Series/Report no.: EUI ECO Abstract: This paper investigates imitation and selective matching in reputational games with an outside option. We identify two classes of such games, which are ultimatum and trust games. By selective matching we mean that ...
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    Title: Inequality Aversion and Stochastic Decision-making: Experimental Evidence from Zimbabwean Villages after Land Reform  Author(s): KOHLER, Stefan Date: 2007 Type of Publication: Working Paper Series/Report no.: GPRG Working Paper Abstract: Inequality considerations are a motive for making positive offers in the Ultimatum Game and rejecting small ones, but decision error could have the same effect. I find evidence for both of these considerations and a ...