questions. We overcome typical data limitations in a large-scale field experiment on vaccination (N = 5,324) with a unique … individually-targeted incentives, though all boost vaccinations. There are no unintended consequences on future vaccination or … heterogeneities based on vaccination attitudes and incentivized economic preferences. Further, administrative data on relatives shows …

, such as extrapolative demand and experience effects; facts about beliefs, such as overreaction in beliefs and the … relationship between beliefs and stock market allocations; and facts about asset prices, such as excess volatility. More broadly …

that best explains the data, given their prior beliefs. An implication is that interpretations evolve within a network. For … many network structures, social learning mutes reactions to data: the exchange of models leaves beliefs closer to priors …

sample of 656 undergraduate students, tracking the evolution of their beliefs about their own relative performance on an IQ …