We present an empirical test for the addictiveness of lottery gambling that exploits an exogenous shock to local market consumption of lottery gambling. It uses the sale of a winning jackpot ticket in a zip code as an instrument for present consumption and tests for a causal relationship between present and future consumption. This test estimates the time path of persistence nonparametrically. Data from the Texas State Lottery suggests that after 6 months, roughly half of the initial increase in lottery consumption is maintained.
Is Lottery Gambling Addictive?Jonathan Guryan and Melissa Kearney ,
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AEJ: Economic Policy