Pushangada, K. Pricing with changing welfare criterion : an application of Ramsey-Wilson model to urban water supply / K. Pushangada & G. Murugan - Kerala : Centre for Development Studies (CDS) , 1998 - 25p. : ill. ; 20 cm. - CDS Working Paper No. 287 . Includes bibliographical references. Subjects--Topical Terms: Drinking waterModelsUrban areasWater supply Gov. Doc. Class. No.: IN CDS WP-287