elasticity of substitution
noun[U]
ukusECONOMICS
thedegreeto which thenumberofproductssoldchangeswhen thepriceof anothersimilarproductchanges, whichshowsto whatdegreethe twoproductscanreplaceone another:
Thereportdiscussestheelasticityofsubstitutionbetweenhomeandforeigngoods.