Conference Paper Even Unreliable Information Disclosure Makes People Cooperate in a Social Dilemma : Development of the “Industrial Waste Illegal Dumping Game”

KITAKAJI, Yoko  ,  OHNUMA, Susumu

This study explores whether information disclosure can cause co-operation in a social dilemma, even when people can disseminate false infor-mation. In the past, illegal dumping increased in Japan despite the strengthen-ing of penalties and surveillance laws, due to practical limitations in monitoring and surveillance. To resolve this, the tracking sheet used to trace the trading and processing of the wastes must be traceable in order to detect illegal dumping. This means that manifests must be written precisely in order to be effective but if maintaining a tracking log has some function other than surveillance this may not be the case. To examine this issue we used the “In-dustrial Waste Illegal Dumping game” (Ohnuma & Kitakaji, 2007) which sim-ulates the disposal of industrial waste and is structured as a social dilemma with asymmetry of information. In this study we utilised two conditions: a dis-closure and a control condition. Under the disclosure condition, players had to enter the amount of commission or disposal in the landfill but did not have to fill in the correct amount. Although players could read the report, they could not know who performed illegal dumping or how much they contributed. Therefore, this disclosure did not have an effective surveillance function and could not help detect non-cooperation. However, the results showed that the amount of illegal dumping was reduced, and information on payoffs was shared more in the disclosure condition than in the control condition. Moreo-ver, players collected and shared their information more in the disclosure con-dition than in the control condition. The study thus indicates that the function of disclosure is not surveillance, but information sharing which is essential for voluntary cooperation.
ISAGA/JASAG2015 the 46th ISAGA conference | Japan Association of Simulation & Gaming hosts 17–21 July 2015 Kyoto, Japan

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