← Search American Economic Review Vol. 80 No. 3 1990 Cooperative and Noncooperative R&D in Duopoly with Spillovers: Erratum Claude d'Aspremont; Alexis Jacquemin Volume80 Issue3 Pages641-642 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 ✓