Nature conservation scientists and practitioners have voiced the concern that a conservation discourse based on economic arguments and monetary valuation may undermine conservation efforts by eroding ("crowding out") the influence of other arguments for nature conservation. This paper presents...

We constructed triopolistic experimental markets where producers set prices. One producer's costs were higher than the others. In two experiments, costs were attributed to compliance with ethical guidelines. In the third, no justification was provided. Consumers paid premia for the ethically...

In most situations of voluntary contribution people are willing to give at the beginning, however contribution rates decay over time. In a new setup we introduce non-enforceable sharing rules, as requests, in a repeated redistribution game (called tip pooling). Three experimental treatments...