This paper provides new field evidence on risk preferences over small stakes. Using unique population and survey data on deductible choice in Dutch universal health insurance, we find that risk preferences are a dominant factor in decision aking. In fact, our results indicate that risk...

Based on annual household surveys between 2003 and 2012, we show that owners have a rosy picture of their current house value and hold optimistic views on the historical and expected change in house value compared to general price trends. Optimism is both driven by loss aversion and an endowment...