Uncertain outcomes or complex incentives can cause individuals to form and respond to expectations. The first chapter examines the formation of expectations over future rainfall among Indian farmers, and the implications of anticipatory adaptation on standard identification strategies using rainfall. The second chapter examines how complexity caused U.S. taxpayers to responded to a naive proxy for changes in the value of the Child and Dependent Care Credit rather than a more nuanced measure. The third chapter the impact of information provision on the prevention of tornado fatalities and injuries, through the expansion of radio transmitters for the National Oceanic and Atmospheric Administration's Weather Radio All Hazards