Although the U.S. Supreme Court has long held that the Commerce Clause of the U.S. Constitution prohibits state taxes that discriminate against interstate commerce, it has failed to provide a clear explanation of which taxes are discriminatory. In this paper, we provide an economic analysis that...

We use prediction market data from Betfair, the world's largest Internet betting exchange, to measure the electability of 2016 Presidential candidates using regressions that compare the general election contest and party nomination win probabilities for each candidate. A candidate who is more...