-month large-scale field experiment and a fifteen-month follow-up period, involving more than 10,000 previous donors. We examine … offer of a lottery ticket, on average, increases the probability to donate blood during the experiment by 5.6 percentage … reduction in donations is observed after the experiment. …

We conducted a field experiment in the natural setting of blood donations to test how oxytocin relates to empathy and … altruism. We randomly assigned blood donors in the Croatian Institute for Transfusion Medicine to three groups with the aim to …. Especially for hospitals and other blood providers when faced with time and resource constraints. …

destroy intrinsic altruistic motivations. We set up a randomized-controlled experiment, through a survey administered to 467 …. Implications for research and public policy are discussed. -- Incentives ; altruism ; public good provision ; pro-social behavior …

We estimate the effect of an increase in time cost on the return behavior of blood donors. Using data from the … variation in which donor wait times are random, we use the length of time a donor spends waiting to make his donation as our … measure of cost. Our data allows us to go beyond measures of satisfaction and intention and estimate the effect of wait time …

We estimate the effect of an increase in time cost on the return behavior of blood donors. Using data from the … variation in which donor wait times are random, we use the length of time a donor spends waiting to make his donation as our … measure of cost. Our data allows us to go beyond measures of satisfaction and intention and estimate the effect of wait time …

experiment corroborates these findings and confirms that donors are motivated by the economic value of the items offered. We also … overestimated. -- Incentives ; altruism ; public good provision ; pro-social behavior ; public health …

experiment corroborates these findings and confirms that donors are motivated by the economic value of the items offered. We also …

We estimate the effect of an increase in time cost on the return behavior of blood donors. Using data from the … variation in which donor wait times are random, we use the length of time a donor spends waiting to make his donation as our … measure of cost. Our data allows us to go beyond measures of satisfaction and intention and estimate the effect of wait time …

characteristics (altruism, trust, reciprocity, and cooperativeness). After further analyses, we confirmed that the wider number of …