In his inaugural lecture of 1953 Hicks conjectured that any uniform expansion of a country's production set would benefit its trading partner. Corden and Ikema later provided conditions on that country's consumption which, if added to Hicks' condition on production, would validate Hicks'...

The optimal order of extracting resource deposits of unknown size depends on the informational characteristics of the extraction process. This paper fills the gap between two strands of literature. The first strand is about the optimal extraction of single reserve under stock-size uncertainty....

The Torrens-Ricardo Principle of Comparative Advantage rests on the special assumptions that, both in autarky and under free trade, all countries can produce all commodities and that, in autarkic equilibrium, each country consumes all producible commodities, at least incipiently. We reformulate...