Andy Grove, the founder and chairman of Intel, provocatively wrote in Businessweek last year that, "Our fundamental economic beliefs, which we have elevated from a conviction based on observation to an unquestioned truism, is that the free market is the best of all economic systems—the freer the better. Our generation has seen the decisive victory of free-market principles over planned economies. So we stick with this belief largely oblivious to emerging evidence that while free markets beat planned economies, there may be room for a modification that is even better."

The...