← Search American Economic Review Vol. 74 No. 2 1984 Sources of Reasonable Hope for the Future Kenneth E. Boulding Volume74 Issue2 Pages221-225 Sources bibtex:phds-export.bib Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓