A donation may have ambiguous costs or ambiguous benefits. Behavior in a laboratory experiment suggests that …-driven behavior is more pronounced when the costs of a donation - rather than its benefits - are ambiguous. However, the importance of …

donations. We also primed between-subjects the emphasis on the donation value to the charity (pure altruism) or the sacrifice to … the donor (impure warm-glow altruism). Consistent with the model's predictions, the experiment shows that priming pure … altruism increases the efficiency of donation choices, substitutability of donations between money and time and crowding out …

In an experimental setup we investigate the effect of two different choice architectures on donation decisions. In the … treatment group, subjects can either specify a charity of their choice, or select one from a list of five well-known charities …

variation in which donor wait times are random, we use the length of time a donor spends waiting to make his donation as our …

There has been little systematic study of the mechanisms typically used to raise money for charity. One of the most … experiment randomly assigning participants to four raffle treatments to examine the effectiveness of alternative incentive … revenue gains are available on both margins. Our experiment, and others like it, illustrates the power of field experiments to …

third one, T3, with a charity recipient and no crowding out, which elicits both types of altruism. We use T1 to assess to …This paper presents results from a modified dictator experiment aimed at distinguishing and quantifying the two … intrinsic motivations for giving: warm glow and pure altruism. In particular, we implemented a within-subject experimental …

-sectional data from Germany on self-reported altruism, sector of employment, and donations to charity. In addition, we use panel data …: by making donations to charity and by taking a public service job and exerting effort on the job. Our theory predicts … donations to charity. Comparing equally altruistic workers, those with a regular job make higher donations to charity than those …