7Milton Friedman and George J. Stigler, "Roofs or Ceilings? The Current Housing Problem," in Hayek, et al., Rent Control: A Popular Paradox: Evidence on the Economic Effects of Rent Control, Vancouver: The Fraser Institute, 1975, pp. 87-102.
8Bruno S. Frey, et al., "Consensus and Dissension among Economists; An Empirical Inquiry," The American Economic Review, vol. 74, 1984, p. 986 ff.