TY - JOUR AU - Vázquez, Andrés PY - 1998/01/01 Y2 - 2024/03/29 TI - On constant elasticities of demand JF - Estudios Económicos de El Colegio de México JA - EE VL - 13 IS - 1 SE - Articles DO - 10.24201/ee.v13i1.240 UR - https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/240 SP - 73-79 AB - <p>While the Slutsky matrix and duality theory have been used to establish that constant elasticity demand functions imply unitary income elasticities, zero cross-price elasticities and own-price elasticities equal to minus one, this note shows that these results can also be straightforwardly derived from the simple assumption that demand functions satisfy the budget constraint with strict equality.</p> ER -