stuart: look who is here former reagan chief economist marty marty marty feldstein. >> he said if youcut corporate income tax rates, he would go along with a carbon tax because then you'd have real growth in the economy. could you go for carbon tax and rate cut? >> absolutely a great trade. a carbon tax would have positive advantages in terms of the environment, congestion on the roads, price of oil. all of that would be a plus. if you could take that revenue and use it to reduce marginal tax rates and corporate tax rates to encourage investment. it's a win-win combination. stuart: you think it would grow the economy? you get a carbon tax, i think that's bad for the economy, but you get tax rate cuts at the same time if you do those two things, you say it would grow the economy? >> it would be a plus to the economy. stuart: as good as back in the reagan years, four five six-- >> there are other things of the same sort. if we put some limits on tax subsidies that are in our tax code and we use that money to reduce tax rates, that also would be a net plus for the economy. stuart: obviou