Proofs are given that only singularly can real 1750 - 2007 competitive price ratios be 'natural', in the sense of being invariant under changes in demand tastes. Proofs are given that both 1750 - 1870 discrete technologies or 1890 - 2007 continuum technologies, with convexity properties...

This paper consists of the page proofs of W. A. Barnett's interview of Paul A. Samuelson, to appear in print in the journal, Macroeconomic Dynamics, in September 2004. To our knowledge, this is the first and only interview of Paul A. Samuelson published in a professional economics journal. In...