laboratory, information about health effects leads to a statistically significant decrease (increase) in the willingness to pay …-unit subsidy on sardines without any information revealed to consumers lead to the highest welfare, because both the tax and … subsidy directly internalize health characteristics. The information policy combined with a per-unit tax on tuna and a per …

safe products by incurring a cost. Under duopoly, they compete either in prices or in quantities. Under perfect information … imperfect information about safety for consumers, the standard leads to a monopoly situation. However, for relatively large … values of the cost, a standard cannot impede the market failure coming from the lack of information. …

This paper focuses on the welfare effects of information computed from experimental methods eliciting willingness … absence of information about a characteristic. Second, our estimates indicate that consumer demand from a laboratory auction …