Lindberg, P.O.; Eriksson, E. Anders; Mattsson, Lars-Göran - In: Economic Theory 19 (2002) 2, pp. 417-427
This paper examines the proposition that homotheticity is equivalent to the property that (e.g., in the context of a production function) the marginal rate of substitution is constant along any ray from the origin. This claim is made in many places, but hitherto the prerequisites have not been...