Many economic models (e.g., computable general equilibrium models, econometric input-output models) revolve around a matrix of technical coefficients. However, these matrices can be estimated only once every 5 years as long as they are calculated from input-output tables and these are only...

Linkages, fields of influence and key sectors are troublesome concepts.

This paper fruitfully combines two complementary theories: performance measurement and input-output analysis. Our point of departure is the theory of the consumer, who maximizes utility subject to a budget constraint. His well-being can be measured by the change in the consumption bundle, valued...