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El número óptimo de empresas bajo competencia de Bertrand
Coloma, Germán - In: Estudios de economía 37 (2010) 2, pp. 189-205
This paper is about a model of Bertrand competition in a homogeneous-good market with free entry of identical firms and variable returns to scale. If the optimum number of active firms in the market is two or more, and the number of active firms is equal to that optimum number, then Bertrand...
Persistent link: https://www.econbiz.de/10009959114
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Network centrality and stock market volatility : the impact of communication topologies on prices
Hein, Oliver; Schwind, Michael; Spiwoks, Markus - In: Journal of finance and investment analysis 1 (2012) 1, pp. 199-232
We investigate the impact of agent communication networks on prices in an artificial stock market. Networks with different centralization measures are tested for their effect on the volatility of prices. Trading strategies diffuse through the different network topologies, mimetic contagion...
Persistent link: https://www.econbiz.de/10010079539
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Dynamic speculative behaviors and mortgage bubbles in the real estate market of mainland China
Wang, Sheng - In: Journal of finance and investment analysis 1 (2012) 1, pp. 1-54
It is systemic to expound how that the speculative behaviors are driven by the number of a series housing policies promulgated by China's government for the real estate market. The market is resulted in full of speculative behaviors, and has been booming since the beginning of this decade, even...
Persistent link: https://www.econbiz.de/10010079547
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The future of retirement and the pension system : how the public’s expectations vary over time and across socio-economic groups
Bissonnette, Luc; Soest, Arthur van - In: IZA Journal of European Labor Studies 1 (2012), pp. 1-21
We analyze expectations of the Dutch population ages 25 and older concerning future generosity of state and … until 2012 on individuals’ subjective expectations concerning changes between now and ten or twenty years from now in the … security benefits, and the average retirement age ten or twenty years from now. We find significant variation in expectations …
Persistent link: https://www.econbiz.de/10010082266
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Verhaltensexperimente zur persönlichen Privatsphäre erfordern neue Standards
Jentzsch, Nicola - In: DIW-Wochenbericht : Wirtschaft, Politik, Wissenschaft 79 (2012) 9, pp. 12-14
Einkaufen in Internet, die Nutzung von sozialen Netzen oder Online- Banking gehören zum Alltag der Verbraucher in Deutschland. Das Thema Privatsphäre und Datenmissbrauch ist deshalb nahezu täglich in den Medien. Da ist es erstaunlich, dass fundiertes wissenschaftliches Wissen, wie Verbraucher...
Persistent link: https://www.econbiz.de/10010079360
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Collusion in a Bertrand duopoly model with decreasing returns and product differentiation/ Roberto Contreras; Nikolaos Georgantzis; Miguel Ginés
Contreras, Roberto; Georgantzis, Nikolaos; Ginés, Miguel - In: Estudios de economía 35 (2008) 1, pp. 19-31
We study cartel stability in a differentiated price-setting duopoly with returns to scale. We show that a cartel may be …
Persistent link: https://www.econbiz.de/10009959088
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Privatización, competencia por depósitos y desempeño bancarios
Ruiz-Porras, Antonio - In: Estudios de economía 37 (2010) 1, pp. 67-104
In this article we develop a microeconomic framework to study the relationships among privatization, competition for deposits and performance in banking. Particularly, we analyze banking privatization when competitive strategies of the Cournot and Stackelberg types are allowed. Our findings show...
Persistent link: https://www.econbiz.de/10009959107
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Preisgarantien im Einzelhandel : nicht verbraucherfreundlich, sondern ein Instrument zur Durchsetzung hoher Preise
Arnold, Tone; Baake, Pio; Schwalbe, Ulrich - In: DIW-Wochenbericht : Wirtschaft, Politik, Wissenschaft 79 (2012) 16, pp. 12-16
Preisgarantien im Einzelhandel scheinen auf den ersten Blick Ergebnis eines intensiven Wettbewerbs zu sein. Theoretische Analysen und empirische Studien zeigen jedoch, dass dies in der Regel nicht der Fall ist. Preisgarantien und hier vor allem Garantien, bei denen mehr als die Differenz zu...
Persistent link: https://www.econbiz.de/10010079385
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Fusiones nacionales e internacionales en oligopolios mixtos
Naya, José Méndez - In: Estudios de economía 39 (2012) 1, pp. 87-104
is analyzed both mergers sustainability and their relative effects on welfare. It is proved that the merger between the … public firm and either the national or the international private firm is preferred, from a welfare point of view, to the …
Persistent link: https://www.econbiz.de/10010049047
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Privatización y fusiones en oligopolios mixtos
Méndez Naya, José - In: Estudios de economía 34 (2007) 1, pp. 37-52
firms even if it does not include most market firms. Furthermore, it is proved that a merger can only be welfare improving …
Persistent link: https://www.econbiz.de/10009959077