00934nam a2200253 i 4500 1/8862 761129s1976 enka b 00100 eng 014080871X 9183 DLC GR-PeUP 332.0415 AG Aggregate investment : selected readings / edited by J. F. Helliwell. Harmondsworth ; Baltimore : Penguin Education, 1976. 344 p. : ill. ; 20 cm. Penguin education ; Penguin modern economics readings ; Bibliography: p. 331-332. Includes indexes. Capital investments Mathematical models. Helliwell, John F. ed. Penguin education. Penguin modern economics readings. INST UNIPILB MAIN 20040709 332.0415 AG 00100278 00100278 LOAN 0 2 INST UNIPILB MAIN 20040709 332.0415 AG 00109777 00109777 LOAN 0 1