The American economy has undergone a dramatic structural change in the first decade of the 21st Century. The real-economy causes of this transformation, and their expression via the real estate market and its financial derivatives’ market, and their final manifestation in world financial...

Jointly with Erkko Etula, Paul Samuelson [2006] claims that the “Leontief – Sraffa matrix equations for input/output must obey constant returns to scale”. However, in an unrelated work, Amartya Sen [2003] claims that Sraffa’s [1960] “analysis does not need any assumption of constant...

The authors develop an "intertemporal," two-period, two-sector, specific factor model, characterized by generalized wage differentials, and show that a number of pathological results in the domestic distortions literature are all but eliminated. In this model, in contrast to the standard...

In an economy with an external increasing returns technology and a convex production set, international capital mobility reduces the shadow price of foreign exchange if quotas or voluntary export restraints are in force, but leaves this shadow price unaltered if tariffs are in place.

In this paper we demonstrate that a Walrasian, competitive general equilibrium is consistent with some agents as a group dying off faster than the rest and having a worse quality of life. This may also be seen as an application of neoclassical labor economics to the problem of race relations in...

This paper examines some of the consequences for economic theory of the replacement of binary personal preferences by non-binary personal preferences in an Arrow-Debreu society as in Debreu (1959), and reaches the conclusion that there is both much damage to existing theory and greater...