Ayalew, Tehabe Liquidity constraint and the demand for food : income clasticity of calorie in rural Ethiopia / Tehabe Ayalew - Leuven : KU , 2000 - 34p. : ill. ; 20 cm. - Discussion Paper Series . Includes bibliographical references and index. Subjects--Topical Terms: Economic developmentHouseholdElasticityIncome Gov. Doc. Class. No.: BE Kat.U DE CES DP-00.27