Market exchange is subject to an endogenously-determined level of predation which impedes specialization and gains from trade. Utility-maximizing agents opt between careers in specialized production and careers in predation. Three types of equilibria may emerge, autarky (with no predation and no...

Distributions of many variables of interest in developed economic and financial markets, including income and wealth, exhibit heavy tails as in the case of Pareto or power laws. Many commonly used income and wealth inequality measures are very sensitive to extremes and outliers generated by...

The problem of expectations in economic models is reviewed through the intellectual development of the author. Initial efforts at macroeconomic modeling such as Foley-Sidrauski (Foley and Sidrauski 1971) treated expectations as conditioning variables for representative agent stock demands and...

It is generally accepted that F.A. Hayek gave up the business cycle as an object of theoretical investigation following the publication of 1941's The Pure Theory of Capital. The present paper aims to cast a shade of doubt upon this received view. Many of Hayek's philosophical writings bear...

Combinatorial exchanges have existed for a long time in securities markets. In these auctions buyers and sellers can place orders on combinations, or bundles of different securities. These orders are conjunctive: they are matched only if the full bundle is available. On business-to-business...