Layard, Richard. Cost-benefit analysis / RIchard Layard, Stephen Glaister. - 2nd ed / . - Cambridge : Cambridge University Press , 1994. - x,495p. : figs.,tables., ; 25cm. . NULL ISBN: 0521466741 $95.00 Subjects--Index Terms: COST EFFECTIVENESS Dewey Class. No.: 658.1554 / LAY/C