Credence-goods experiments have focused on stylized settings in which experts can perfectly identify the buyer’s best option and that option works without fail. However, in nature, credence goods involve uncertainties that complicate assessing the quality of service and advice. We introduce...

We investigate whether age profiles of ethnobiological knowledge development are consistent with predictions derived from life history theory about the timing of productivity and reproduction. Life history models predict complementary knowledge profiles developing across the lifespan for women...

While many economic interactions feature “All-or-Nothing” options nudging investors towards going “all-in,” such designs may unintentionally affect reciprocity. We manipulate the investor’s action space in two versions of the “trust game.” In one version investors can invest either...