Theories are not rejected by cirsumstantial evidence: it takes a theory to beat a theory.

I met my wife, Margaret L. Mack, at the University of Chicago. We were married in 1936. She died in 1970.

In the 1950s, I proposed the survivor method of determining the efficient sizes of enterprises, and worked on delivered price systems, vertical integration, and similar topics.

My teaching began in 1936 at Iowa State College where T. W. Schultz was the department chairman.

Why, when the economist gives advice to his society, is he so often cooly ignored? He never ceases to preach free trade, and protectionism is growing in the United States. He deplores the perverse effects of minimum wage laws, and the legal minimum is regularly raised each 3 or 5 years. He brands usury laws as a medieval superstition, but no state hurries to repeal its law.

The main insight learned from interdisciplinary studies is the return to specialization

If you never miss a plane, you’re spending too much time at the airport.