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DTSTART;TZID=Europe/Paris:20240502T120000
DTEND;TZID=Europe/Paris:20240502T131500
DTSTAMP:20240429T084251Z
CREATED:20240115T100111Z
LAST-MODIFIED:20240429T084251Z
UID:20798-1714651200-1714655700@www.bse.u-bordeaux.fr
SUMMARY:Séminaire: Antoine Pietri (CEE\, Univ. Montpellier)
DESCRIPTION:Agenda > Tous les événements\nSéminaire BSE – programme 4 \n  \nAntoine Pietri\n(CEE\, Université de Montpellier) \n \n \n\n« Tullock contESSt in the lab »\nGuillaume Cheikbossian (CEE-M\, Univ Montpellier) et Antoine Pietri (CEE-M\, Univ Montpellier)\n\n \n \n \n\nAbstract : This project aims at understanding whether individuals are affected by evolutionary forces when making decisions in a two-player Tullock contest. Indeed\, the experimental literature shows that contestants almost systematically invest more effort in the contest than predicted by the Nash equilibrium. One possible explanation is that there are evolutionary forces that induce people to beat the others\, resulting in overbidding compared to the Nash prediction. However\, testing the predictions of evolutionary game theory requires a very long-time horizon\, which is very difficult to implement in the lab. Therefore\, we propose an experimental design that — we believe — can help us to understand if evolutionary forces impact participants’ decisions. To do so\, we start from the « evolutionary » vision in which an equilibrium is evolutionary stable if the introduction of a new strategy (called mutant strategy) into a finite population does not change the equilibrium of the game. Thus\, we expose participants of a traditional two-player contest experiment to mutant\, i.e. some of them  have their decision dictated by the experimenter. Observing the reaction of participants to the invasion of « mutants » allows us to understand how evolutionary forces influence the decision-making process of individuals. Our results — prudently —  point that the concept of evolutionary stable strategy is not a potential justification for the fact that subjects in a two-player contest experiment tend to invest too much effort in the contest\, compared to the Nash equilibrium prediction. We believe that this non-significant result adds insight to the literature.\n\n  \n  \n \n \n  \n>> pour assister au séminaire via Zoom\, contacter julie.vissaguet@u-bordeaux.fr \n \n \n  \n 
URL:https://www.bse.u-bordeaux.fr/agenda/seminaire-antoine-pietri-cee-universite-de-montpellier/
LOCATION:BxSE\, salle de séminaire H2-116\, bât.H\, campus Pessac\, avenue Leon Duguit\, Pessac\, 33600
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DTSTART;TZID=Europe/Paris:20240514T120000
DTEND;TZID=Europe/Paris:20240514T131500
DTSTAMP:20240513T081043Z
CREATED:20231113T130537Z
LAST-MODIFIED:20240513T081043Z
UID:19936-1715688000-1715692500@www.bse.u-bordeaux.fr
SUMMARY:Séminaire: Sandra Poncet (PSE\, U. Paris I Panthéon Sorbonne)
DESCRIPTION:Agenda > Tous les événements\nSéminaire d’économie de Bordeaux\n  \n  \nSandra Poncet\n(PSE\, Université Paris I Panthéon Sorbonne) \n  \n  \n » Air travel as a provider of face-to-face interactions:  the impact on international trade of airline connectivity in China »\nBy Chang Jing (PSE) and  Sandra Poncet (Paris School of Economics – Université Paris 1) \n  \nAbstract: \nThis article investigates how the intensification of face-to-face interactions between China and the rest of the world has contributed to the internationalization of China’s trade. We use the introduction of direct airlines connections between Chinese localities and international countries as an exogenous source of change in face-to-face interactions over the period 1992-2019. Our difference-in-difference results show the introduction of a direct weekly flight between a Chinese province and an international country raises trade by 5%. The impact is consistently more pronounced in the 1990s\, where other nonpersonal means of information transmission was less developed and for products with higher face-to-face communication requirements. The positive effect on trade is also greater for products that are more intensive in face-to-face interactions suggesting the importance of informational barriers to trade. \n  \n  \n  \n– Séminaire organisé par le programme 4 / BSE –\n \n  \n>> pour assister au séminaire via Zoom\, contacter julie.vissaguet@u-bordeaux.fr \n \n \n  \n 
URL:https://www.bse.u-bordeaux.fr/agenda/seminaire-sandra-poncet-pse-u-paris-i-pantheon-sorbonne/
LOCATION:BxSE\, salle de séminaire H2-116\, bât.H\, campus Pessac\, avenue Leon Duguit\, Pessac\, 33600
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