Fear and loathing in Las Vegas: Evidence from blackjack tables.
-- Carlin, B. I., & Robinson, D. T. (2009), Judgment and Decision Making, 4, 385-396.
This paper studies "Omission Bias" (e.g., people tend to suboptimally favor inaction over action):
People are reticent to vaccinate children with a potentially lethal vaccine, even when this risk pales in comparison to the incidence of death caused by the primary disease. A staggering number of US households fail to rebalance their stock portfolios when it is optimal to do so. Many US workers under-participate in their retirement plans, despite the presence of employer-matching programs. Shoppers are often reluctant to make purchases when discounts are randomly offered in the market.