TY - BOOK AU - Parkin, Michael, AU - ED - ED - ED - ED - SN - 201059312 SN - 2 PY - 1990///];copyright 1990.46 CY - Reading, Mass. PB - Addison-Wesley Pub. Co. KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Economics N1 - Includes bibliographical references and index; 5 ER -