{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,28]],"date-time":"2026-02-28T16:41:44Z","timestamp":1772296904774,"version":"3.50.1"},"reference-count":3,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2008,12,12]],"date-time":"2008-12-12T00:00:00Z","timestamp":1229040000000},"content-version":"vor","delay-in-days":377,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Proc Appl Math and Mech"],"published-print":{"date-parts":[[2007,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We present a new R&amp;D investment in a Cournot Duopoly model and we analyze the different possible types of Nash R&amp;D investments. We observe that the new production costs region can be decomposed in three economical regions, depending on the Nash R&amp;D investment, showing the relevance of the use of patents in new technologies. (\u00a9 2008 WILEY\u2010VCH Verlag GmbH &amp; Co. KGaA, Weinheim)<\/jats:p>","DOI":"10.1002\/pamm.200701031","type":"journal-article","created":{"date-parts":[[2008,12,12]],"date-time":"2008-12-12T16:54:00Z","timestamp":1229100840000},"page":"1060311-1060312","source":"Crossref","is-referenced-by-count":3,"title":["Cournot Duopoly with competition in the R&amp;D expenditures"],"prefix":"10.1002","volume":"7","author":[{"given":"Alberto A.","family":"Pinto","sequence":"first","affiliation":[]},{"given":"Fernanda A.","family":"Ferreira","sequence":"additional","affiliation":[]},{"given":"Miguel","family":"Ferreira","sequence":"additional","affiliation":[]},{"given":"Bruno M.P.M.","family":"Oliveira","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2008,12,12]]},"reference":[{"key":"e_1_2_1_2_2","first-page":"1133","article-title":"Cooperative and noncooperative R&D in duopoly with spillovers","volume":"78","author":"d'Aspremond C.","year":"1988","journal-title":"American Economic Review"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1006\/jeth.1997.2270"},{"key":"e_1_2_1_4_2","unstructured":"A. A.Pinto B.Oliveira F. A.FerreiraandM.Ferreira Investing to survive in a duopoly model in: Intelligent Engineering Systems and Computational Cybernetics edited by J. A. Machado et al. (Springer Verlag Dordrecht In press)."}],"container-title":["PAMM"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fpamm.200701031","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/pamm.200701031","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,2]],"date-time":"2023-09-02T23:42:29Z","timestamp":1693698149000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/pamm.200701031"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2007,12]]},"references-count":3,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2007,12]]}},"alternative-id":["10.1002\/pamm.200701031"],"URL":"https:\/\/doi.org\/10.1002\/pamm.200701031","archive":["Portico"],"relation":{},"ISSN":["1617-7061","1617-7061"],"issn-type":[{"value":"1617-7061","type":"print"},{"value":"1617-7061","type":"electronic"}],"subject":[],"published":{"date-parts":[[2007,12]]}}}