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  • 1
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    Bologna: Alma Mater Studiorum - Università di Bologna, Dipartimento di Scienze Economiche (DSE)
    Publication Date: 2018-02-02
    Description: Breaches of the security of personal data collected by firms are reported almost daily. Companies are under an increasing political pressure to notify individuals whose privacy as been breached. At the moment, we know virtually nothing about the behavioral impact of data breach notifications. We present the results of an experimental study designed to investigate how breach notifications change the individual's propensity to provide sensitive personal information to firms. In contrast to the theory (where breach notifications have no behavioral effect), our main result shows that notifications induce a sub-group of individuals to disclose less information to a firm, i.e. those with personally sensitive information.
    Keywords: D43 ; L14 ; O30 ; ddc:330
    Language: English
    Type: doc-type:workingPaper
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  • 2
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    Bologna: Alma Mater Studiorum - Università di Bologna, Dipartimento di Scienze Economiche (DSE)
    Publication Date: 2018-02-02
    Description: Companies are under an increasing pressure by policy makers to publicize data breaches. Such notification obligations require announcing the loss of personal data collected from customers, because of hacker attacks or other incidents. While notification is likely to impact on firms' reputation, we know little about the impact such notifications have on consumers with respect to disclosure of their personal data. We present the problem as a dynamic lottery with personal data under the risk of privacy shocks and experimentally study how the privacy breach notification changes an individual's behavior regarding data disclosure. Our results suggest that the notification induces individuals – disregarding the sensitivity of their data – to disclose more.
    Keywords: D43 ; L14 ; O30 ; ddc:330
    Language: English
    Type: doc-type:workingPaper
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  • 3
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    Bonn: Max Planck Institute for Research on Collective Goods
    Publication Date: 2020-01-17
    Description: The need for efficient coordination is ubiquitous in organizations and industries. The literature on the determinants of efficient coordination has focused on individual decision making so far. In reality, however, teams often have to coordinate with other teams. We present a series of coordination experiments with a total of 1,101 participants. We find that teams of three subjects each coordinate much more efficiently than individuals. This finding adds one important cornerstone to the recent literature on the conditions for successful coordination. We explain the differences between individuals and teams using the experience weighted attraction learning model.
    Keywords: C71 ; C91 ; C92 ; ddc:330 ; Gruppenentscheidung ; Kooperatives Spiel ; Lernprozess ; Wirtschaftliche Effizienz ; Test
    Language: English
    Type: doc-type:workingPaper
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  • 4
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    Innsbruck: University of Innsbruck, Department of Public Finance
    Publication Date: 2018-11-23
    Description: This paper considers a model of economic network characterized by an endogenous architecture and frictions in the relations among agents as described in Bala and Goyal (2000). We propose a similar network model with the difference that frictions in the relations among agents are endogenous. Frictions are modeled as dependent on the result of a coordination game, played by every pair of directly linked agents and characterized by 2 equilibria: one efficient and the other risk dominant. The model has a multiplicity of equilibria and we produce a characterization of those are stochastically stable.
    Keywords: A14 ; D20 ; J00 ; ddc:330 ; network ; decay ; strategical interaction ; Netzwerk ; Spieltheorie ; Gleichgewicht ; Koordination ; Theorie
    Language: English
    Type: doc-type:workingPaper
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  • 5
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    Innsbruck: University of Innsbruck, Department of Public Finance
    Publication Date: 2018-11-23
    Description: The need for efficient coordination is ubiquitous in organizations and industries. The literature on the determinants of efficient coordination has focused on individual decision-making so far. In reality, however, teams often have to coordinate with other teams. We present an experiment with 825 participants, using six different coordination games, where either individuals or teams interact with each other. We find that teams coordinate much more efficiently than individuals. This finding adds one important cornerstone to the recent literature on the conditions for successful coordination. We explain the differences between individuals and teams using the experience weighted attraction learning model.
    Keywords: C71 ; C91 ; C92 ; ddc:330 ; coordination games ; individual decision-making ; team decision-making ; experience-weighted attraction learning ; experiment ; Gruppenentscheidung ; Kooperatives Spiel ; Lernprozess ; Wirtschaftliche Effizienz ; Test
    Language: English
    Type: doc-type:workingPaper
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  • 6
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    Innsbruck: University of Innsbruck, Department of Public Finance
    Publication Date: 2018-11-23
    Description: We present an experiment on strategic thinking and behavior of individuals and teams in one-shot normal-form games. Besides making choices, decision makers have to state their first- and second-order beliefs. We find that teams play the Nash strategy significantly more often, and their choices are more often consistent by being a best reply to first order beliefs. We identify the complexity of a game and the payoffs in equilibrium as determining the likelihood of consistent behavior according to textbook rationality. Using a mixture model, the estimated probability to play strategically is 62% for teams, but only 40% for individuals.
    Keywords: C72 ; C91 ; C92 ; ddc:330 ; Strategic sophistication ; beliefs ; experiment ; team decision making ; individual decision making ; Normalformspiel ; Spieltheorie ; Entscheidung ; Gruppenentscheidung ; Test ; Schweden
    Language: English
    Type: doc-type:workingPaper
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  • 7
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    Innsbruck: University of Innsbruck, Department of Public Finance
    Publication Date: 2018-11-23
    Description: This paper studies an evolutionary model of network formation with endogenous decay, in which agents benefit both from direct and indirect connections. In addition to forming (costly) links, agents choose actions for a coordination game that determines the level of decay of each link. We address the issues of coordination (long-run equilibrium selection) and network formation by means of stochastic stability techniques. We find that both the link cost and the trade-off between efficiency and risk-dominance play a crucial role in the long-run behavior of the system.
    Keywords: C72 ; C73 ; D83 ; D85 ; ddc:330 ; Coordination ; Networks ; Risk dominance ; stochastic stability ; Koordination ; Soziales Netzwerk ; Stochastischer Prozess ; Nichtkooperatives Spiel ; Evolutionäre Spieltheorie ; Theorie
    Language: English
    Type: doc-type:workingPaper
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  • 8
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    Innsbruck: University of Innsbruck, Department of Public Finance
    Publication Date: 2018-11-23
    Description: The paper reports an experimental study based on a variant of the popular Chinos game, which is used as a simple but paradigmatic instance of observational learning. There are three players, arranged in sequence, each of whom wins a fixed price if she manages to guess the total number of coins lying in everybody's hands. Our evidence shows that, despite the remarkable frequency of equilibrium outcomes, deviations from optimal play are also significant. And when such deviations occur, we find that, for any given player position, the probability of a mistake is increasing in the probability of a mistake of her predecessors. This is what we call an error cascade, which we which we measure by way of two alternative models.
    Keywords: C92 ; D8 ; ddc:330 ; positional learning ; error cascades ; Spieltheorie ; Lernprozess ; Unvollkommene Information ; Statistischer Fehler ; Theorie
    Language: English
    Type: doc-type:workingPaper
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  • 9
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    Innsbruck: University of Innsbruck, Department of Public Finance
    Publication Date: 2018-11-23
    Description: Social preferences have been shown to be an important determinant of economic decision making for many adults. We present a large-scale experiment with 883 children and adolescents, aged eight to seventeen years. Participants make decisions in eight simple, one-shot allocation tasks, allowing us to study the distribution of social preference types across age and across gender. Our results show that when children and teenagers grow older, inequality aversion becomes a gradually less prominent motivating force of allocation decisions. At the same time, efficiency concerns increase in importance for boys, and maximin-preferences turn more important in shaping decisions of girls.
    Keywords: C91 ; D63 ; D64 ; ddc:330 ; Social preferences ; children ; age ; gender ; experiment ; Entscheidung ; Soziale Werte ; Soziale Wohlfahrtsfunktion ; Gerechtigkeit ; Wirtschaftliche Effizienz ; Test ; Kinder ; Jugendliche
    Language: English
    Type: doc-type:workingPaper
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  • 10
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    Innsbruck: University of Innsbruck, Department of Public Finance
    Publication Date: 2018-11-23
    Description: We examine the strategic sophistication of adolescents, aged 10 to 17 years, in experimental normal-form games. Besides making choices, subjects have to state their first- and second-order beliefs. We find that choices are more often a best reply to beliefs if any player has a dominant strategy and equilibrium payoffs are not too unequal. Using a mixture model we can estimate for each subject the probability to be any of eight different strategic and non-strategic types. The econometric estimation reveals that older subjects are more likely to eliminate dominated strategies, and that subjects with good math grades are more strategic.
    Keywords: C72 ; C91 ; ddc:330 ; Strategic thinking ; beliefs ; experiment ; age ; adolescents ; Jugendliche ; Normalformspiel ; Spieltheorie ; Entscheidung ; Gruppenentscheidung ; Test ; Schweden
    Language: English
    Type: doc-type:workingPaper
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