College has been oversold. It has been oversold to students who end up dropping out or graduating with degrees that don't help them very much in the job market. It also has been oversold to the taxpayers, who foot the bill for subsidies that do nothing to encourage innovation and economic growth.

It would be really great if I discovered a cure for cancer, but it would only be a little bit less great if my neighbor did. So I am pretty happy when my neighbor becomes wealthier, better educated and more innovative. I feel the same about China and India.

Writing on the blog, you want to get attention and make strong claims. In academic work, that often doesn't pay, so sometimes it's a little bit difficult going back and forth to navigate these differences.

Capitalists work hard to produce what consumers want. Artists who work too hard to produce what consumers want are often accused of selling out. Thus, even the languages of capitalism and art conflict: a firm that has 'sold out' has succeeded, but an artist that has 'sold out' has failed.

I encourage everyone I know to sign an organ donor card, but if someone doesn't want to sign, that's his or her choice. If someone isn't willing to give an organ, however, why should that person be allowed to receive an organ?

Patents are like fertilizer. Applied wisely and sparingly, they can increase growth. But if you apply too many chemicals, or make patents too strong, then you can leach the land, making growth more difficult.

More retirees, longer life expectancy, larger benefits, and fewer workers - these trends have meant substantial increases in the payroll tax. Since the social security program began, the payroll tax has increased more than 500 percent.