An industry can have a, more or less important, effect on the economy, in terms of additional value added and created employment opportunities. A variation in the production of a given industry can be caused by a variation in the final demand of its product, or it may be caused by the variation of the intermediary demand. Hence, two types of effects are identified: Forward effects and backward effects. Linkage techniques, using multipliers, are an interesting tool to quantify these effects, and therefore, identify key industries in the economy. In this paper, we apply linkage techniques, to the Moroccan Supply and Use Table (SUT) in 2013, to calculate Backward and Forward linkages, for each industry, using Gams- Minos software. Results show that, for Morocco, backward and forward effects of industries are, overall, greater than the mean.
