Markets Are Information - Beating the Sportsbooks at Their Own Game
TL;DR Sports betting markets are weird because there are many market makers and they unilaterally set their own prices. This combined with the fact that some sports books are better than others presents an opportunity for sharp bettors to execute a statistical arbitrage strategy across books by using information from...
Another working job market economics paper out of Stanford attempts to measure the degree to which sports bettors are overly optimistic. Results largely what you'd expect: people think they're break even when they're actually losing by ~7% and a subset of those people have self control problems.
Funnily enough the way I found out about this paper is from being recruited to participate in it through a targeted ad on social media when I took a trip out to Colorado to farm sports book new account sign up bonuses.