Extensive research in economics explores generosity in monetary allocations. However, generosity often involves the allocation of non-monetary goods or experiences. Existing evidence suggests that generosity may be higher in such contexts, though no direct comparison exists. Here, we compare...

E-nstructions facilitates the use of electronic instructions in computerized laboratory ex-periments in social sciences. In this article I provide a set of guidelines for the installationand the use of E-nstructions.

How do people make investment decisions when they receive outcome feedback? We examinedhow well the standard mean-variance model and two reinforcement models predict people’sportfolio decisions. The basic reinforcement model predicts a learning process that relies solelyon the portfolio’s...

“Waste not want not” expresses our culture’s aversion to waste. “I could have gotten the samething for less” is a sentiment that can diminish pleasure in a transaction. We study people’s willingnessto “pay” to avoid this spoiler. In one scenario, participants imagined they were...

The existing literature acknowledges that a mismatch between the experimenter'sand the subjects' models of an experimental task can adversely aect the interpretation ofdata from laboratory experiments. We discuss why the two common experimental designs(between-subjects and within-subjects) used...

The Porter hypothesis suggests that environmental regulations, such as restricting firms to reduce pollution, stimulates innovations and create a win-win situation for the environment and for firms. It has received a great deal of attention from academics as well as bureaucrats who disagree...