Cranfield, John; Preckel, Paul; Eales, James; Hertel, Thomas - In: Applied Economics 32 (2000) 15, pp. 1907-1915
Motivated by a lack of Engel flexibility in commonly used demand systems, Rimmer and Powell developed a new demand system. This system, referred to AIDADS, is implicitly, directly additive, possesses marginal budget shares and thus Engel elasticities, that vary nonlinearly with expenditure such...