Should Taxes Be Higher? It's the million dollar question! Up? Down? No change? Where in the world should taxes go? In election years, the question of tax rates fills the airwaves. In non-election years, the question of tax rates, again, fills the airwaves. So what's the answer? George Mason University Professor of Economics Tim Groseclose explains his research on the topic. Basically, there's a certain point at which higher tax rates actually reduce the amount of revenue the government collects. What's that point? When are tax rates too high? Learn a valuable lesson in economics, and public policy.