Econometrica: Jul 1957, Volume 25, Issue 3

An Elementary Analysis of the Leontief System

https://doi.org/0012-9682(195707)25:3<456:AEAOTL>2.0.CO;2-U
p. 456-462

Lionel McKenzie

The standard theorems on the Leontief System are proved in a new and elementary way. These concern the existence of a unique nonnegative solution, duality properties, efficiency and profitability, and the generalization to allow substitution of the inputs to an industry.
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