A Field Experiment of Marek's Disease Vaccine

Psychic vs. Economic Barriers to Vaccine Take-up: Evidence from a Field Experiment in Nigeria

This paper evaluates the relative importance of psychic costs of vaccination compared to monetary costs through a field experiment that randomizes several factors affecting tetanus vaccine take-up among women in rural Nigeria. Although conventional wisdom highlights the relevance of psychic costs, we find no evidence that psychic costs limit vaccine take-up among women who visit clinics. The cl...

A new field trial with two types of live measles vaccine in rural regions of Iran

Charity Auctions: a Field Experiment*

Auctions are a popular way to raise money for charities, but relatively little is known, either theoretically or empirically, about the properties of charity auctions. We conduct field experiments to see which sealed bid format, first price, second price or all-pay, raises the most money. Our experiment suggests that both the all-pay and second price formats are dominated by the first price auc...

Indirect Reciprocity; A Field Experiment.

Indirect reciprocity involves cooperative acts towards strangers, either in response to their kindness to third parties (downstream) or after receiving kindness from others oneself (upstream). It is considered to be important for the evolution of cooperative behavior amongst humans. Though it has been widely studied theoretically, the empirical evidence of indirect reciprocity has thus far been...

Rewarding Volunteers: A Field Experiment

We conducted a field experiment with the American Red Cross to study the effects of economic incentives on volunteer activities. The experiment was designed to assess local and short-term effects, but also spatial and temporal substitution, heterogeneity and spillovers. Subjects offered $5, $10, and $15 gift cards to give blood were more likely to donate, and more so for the higher reward value...