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Avaliação de priorizações para expansão da rede de acesso à banda larga nos municípios brasileiros
de Carvalho, Alexandre Ywata; de Mendonça, Mário … - 2017
This study aims to present a model for economic evaluation of the expansion of the broadband network for the Brazilian municipalities. This is done taking into account not only the economic return, but also the cost of expanding the network. Return is calculated from three criteria of...
Persistent link: https://www.econbiz.de/10011818923
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Contagion pattern identification through minimum spanning trees during the Asian financial crisis
Marica, Vasile-George - In: Financial Studies 23 (2019) 2 (84), pp. 76-96
Complexity in financial markets is slowly overwhelming canonical statistical modelling. With global crises which stemming from contagion effects becoming more frequent, new tools for financial distress transmission c apture are needed. Graph theory , with its branch on minimum spanning trees can...
Persistent link: https://www.econbiz.de/10012484781
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SinkRank: An algorithm for identifying systemically important banks in payment systems
Soramäki, Kimmo; Cook, Samantha - In: Economics: The Open-Access, Open-Assessment E-Journal 7 (2013) 2013-28, pp. 1-27
The ability to accurately estimate the extent to which the failure of a bank disrupts the financial system is very valuable for regulators of the financial system. One important part of the financial system is the interbank payment system. This paper develops a robust measure, SinkRank, that...
Persistent link: https://www.econbiz.de/10010317198
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Networks and Collective Action
Flores, Ramon; Koster, Maurice; Lindner, Ines; Molina, … - 2012
This paper proposes a new measure for a group's ability to lead society to adopt their standard of behavior, which in particular takes account of the time the group takes to convince the whole society to adopt their position. This notion of a group's power to initiate action is computed as the...
Persistent link: https://www.econbiz.de/10010326525
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Group Decision Making Under Risk: An Experiment with Student Couples
He, Haoran; Martinsson, Peter; Sutter, Matthias - 2011
In an experiment, we study risk-taking of cohabitating student couples, finding that couples' decisions are closer to risk-neutrality than single partners' decisions. This finding is similar to earlier experiments with randomly assigned groups, corroborating external validity of earlier results.
Persistent link: https://www.econbiz.de/10010294834
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On the acceptability of the ambient tax mechanism: an experimental investigation
Boun My, Kene; Cochard, François; Ziegelmeyer, Anthony - 2007
Our objective in this paper is to assess the acceptability of the ambient tax. Concretely, we ask subjects to choose between (A) an ambient tax and (B) an individual tax system. In case (A), they actually participate in a game in which their payo depends on all participants' decisions and on...
Persistent link: https://www.econbiz.de/10010265675
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Are groups more rational than individuals? A review of interactive decision making in groups
Kugler, Tamar; Kausel, Edgar E.; Kocher, Martin G. - 2012
also on the decisions of others. In the present article, we review the literature on decision making made by groups of the …
Persistent link: https://www.econbiz.de/10010280824
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Two heads are less bubbly than one: team decision-making in an experimental asset market
Cheung, Stephen L.; Palan, Stefan - 2009
We study the effect of team decision-making on bubbles and crashes in experimental asset markets of the kind introduced … volume and price volatility. We also find an unexpected gender effect in team composition, manifesting itself in more extreme … participants generally, we conjecture that they may be due to factors specific to the psychology of decision-making in male …
Persistent link: https://www.econbiz.de/10010269599
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Deciding to decide: gender, leadership and risk-taking in groups
Ertac, Seda; Gurdal, Mehmet Yigit - 2010
decision to take this responsibility in a group is endogenous in many contexts. In this paper, we experimentally study: (1) the … lower fraction of women being willing to make the group decision than men. The amount of risk taken for the group is … like to make the group decision and the women that do not are no different in terms of how much risk they take for …
Persistent link: https://www.econbiz.de/10010274088
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Personality, Group Decision-Making and Leadership
Ertac, Seda; Gurdal, Mehmet Y. - 2012
genders might interpret the social norms in group decision-making differently. …
Persistent link: https://www.econbiz.de/10010500224