Professor Sacerdote's study, "Do senators and house members beat the stock market? Evidence from the STOCK Act," published in the Journal of Public Economics in March 2022 informs this New York Times article. Bruce is quoted as saying, "You cannot rule out that there's some serious insider trading going on...What you know for sure is on average they don't do particularly well, and these House members and senators would be better served if they were just in index funds."