“…While several important studies posit that gambling and investing are complementary and driven by gambling preferences (Kumar, 2009;Grinblatt and Keloharju, 2009;Dorn and Sengmueller, 2009), just as many others propose that gambling is a substitute to risk taking in the stock market (Dorn, Dorn, and Sengmueller, 2015;Cox, Schwartz, and Van Ness, 2020;Cookson, 2018). If investing in lottery-type instruments is indeed driven by gambling preferences -and the two activities are complementary -we should expect to find higher lottery-stock portfolio shares and participation rates for gamblers than for non-gamblers.…”