Report: Illinois’ high taxes, government scope dampen economic outlook – Center Square

"If you could imagine a scenario where Illinois’ ranking is poor in all these categories and then you add a progressive income tax of a high rate to that, I think that’s a recipe for absolute economic disaster for Illinois,” said Jonathan Williams, a co-author of the American Legislative Exchange Council report Rich States, Poor States. “What if Illinois did not have a low-rate flat tax? Illinois would be in competition for dead last."