A number of self-beneficial motives can trigger pro-environmental and prosocial behavior of individuals. We focus on the role of the warm glow of giving-the personal benefit people experience when doing good irrespective of the consequences-in the valuation of ethically certified food products....

We report the result of experiments designed to assess the effect of initial endowments on willingness to pay values elicited from multi-unit Vickrey auctions. Comparing bids from an “endow and upgrade” approach with the “full bidding” approach, we find that the direction of the...