a b s t r a c tThe importance of reputation in human societies is highlighted both by theoretical models and empirical studies. In this paper, we have extended the scope of previous experimental studies based on trust games by creating treatments where players can rate their opponents' behavior and know their past ratings. Our results showed that being rated by other players and letting this rating be known are factors that increase cooperation levels even when rational reputational investment motives are ruled out. More generally, subjects tended to respond to reputational opportunities even when this was neither rational nor explainable by reciprocity.
Regional input-output tables and trade flows: an integrated and interregional non-survey approach. Regional Studies. Regional analyses require detailed and accurate information about dynamics happening within and between regional economies. However, regional input-output tables and trade flows are rarely observed and they must be estimated using up-to-date information. Common estimation approaches vary widely but consider tables and flows independently. By using commonly used economic assumptions and available economic information, this paper presents a method that integrates the estimation of regional input-output tables and trade flows across regions. Examples of the method implementation are presented and compared with other approaches, suggesting that the integrated approach provides advantages in terms of estimation accuracy and analytical capabilities.
This paper investigates the relevance of reputation to improve the explorative capabilities of agents in uncertain environments. We have presented a laboratory experiment where sixty-four subjects were asked to take iterated economic investment decisions. An agent-based model based on their behavioural patterns replicated the experiment exactly. Exploring this experimentally grounded model, we studied the effects of various reputational mechanisms on explorative capabilities at a systemic level. The results showed that reputation mechanisms increase the agents' capability for coping with uncertain environments more than individualistic atomistic exploration strategies, although the former does entail a certain amount of false information inside the system.
Bank customers are not financial experts, and yet they make high-stakes decisions that can substantively affect personal wealth. Sooner or later, every individual has to take relevant investment decisions. Using data collected from financial advisors, bank customers and university students in Italy, this paper aims to reveal new insights about the decision processes of average non-expert investors: their investment goals, the information sets they consider, and the factors that ultimately influence decisions about investment products. Using four portfolio choice tasks based on data collected directly from financial advisors and their clients, we find that most subjects used a limited set of information, ignoring factors that conventional economic models usually assume drive investor behavior. Furthermore, we suggest that non-compensatory decision-tree models, which make no trade-offs among investment features, are parsimonious descriptions of investor
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