Koetse, Mark J.; Groot, Henri L. F. de; Florax, Raymond … - 2006
. Theoretically it is clear that a distinction should be made between Morishima substitution elasticities and cross-price elasticities … elasticities are substantially higher than cross price elasticities. Therefore, despite considerable technical opportunities for … increases; the short and medium run cross price elasticities are not statistically different from zero. In the long run this …