Similar title to Hasegawa, H, Tran, Van Hoa and Valenzuela, R (2005) HOGLEX demand systems and welfare policy in major ASEAN developing countries : a Bayesian analysis using expenditure unit records. In: Advances in Household Economics, Consumer Behaviour and Economic Policy. Tran , Van Hoa, ed. Ashgate Publishing , Aldershot, Hants., UK, pp. 91-108.