Economists John Jackson and Douglas Walker published an article in Contemporary Economic Policy in early 2011 that showed that the increased revenue that comes from gambling often comes at the expense of sales tax revenue. The two also came to the conclusion that, in general, casinos and greyhound racing tend to decrease state revenues overall.
“They Looked Like They Were Getting Rich on Polymarket— but None of It Was Real” | Wall Street Journal
June 22, 2026
By Katherine Long, Caitlin Ostroff, Neil Mehta and Brenna T. Smith “The prediction market has flooded social media with deceptive