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 purpose of this paper is to develop a framework for analysis of multioutput agricultural production when the supply of water is uncertain. Specifically, we assume that the farmer operates as if the decision process takes place in two stages. In stage one the farmer decides how much land to...

This paper presents an analysis of Ricardo - Torrens model of comparative advantage. The contribution of this work is to make explicit the productive structure of the economy under analysis with the help of input-output matrix and the theoretical assumption of a Leontief technology system, which...

Sectoral heterogeneity is crucial to address several economic questions. This paper provides a detailed mapping of sectoral production possibility frontiers, using different nesting structures and levels of aggregation (primary, secondary, tertiary activities and energy-intensive firms)....