TY - BOOK AU - Layard,Richard TI - Cost-benefit analysis: selected readings T2 - Penguin modern economics readings SN - : AV - HD47.5 .L34 1972 PY - 1972/// CY - Harmondsworth, England PB - Penguin KW - Cost effectiveness N1 - "First published 1972; reprinted with revisions 1974."; Issued with various printing dates; Includes bibliographies and indexes ER -