{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T12:29:57Z","timestamp":1791203397016,"version":"4.2.0"},"reference-count":20,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2003,7,8]],"date-time":"2003-07-08T00:00:00Z","timestamp":1057622400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2003,8,1]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>We prove identification of dependent competing risks models in which each risk has a mixed proportional hazard specification with regressors, and the risks are dependent by way of the unobserved heterogeneity, or frailty, components. We show that the conditions for identification given by Heckman and Honor\u00e9 can be relaxed. We extend the results to the case in which multiple spells are observed for each subject.<\/jats:p>","DOI":"10.1111\/1467-9868.00410","type":"journal-article","created":{"date-parts":[[2003,7,8]],"date-time":"2003-07-08T13:37:41Z","timestamp":1057671461000},"page":"701-710","source":"Crossref","is-referenced-by-count":138,"title":["The Identifiability of the Mixed Proportional Hazards Competing Risks Model"],"prefix":"10.1093","volume":"65","author":[{"given":"Jaap H.","family":"Abbring","sequence":"first","affiliation":[{"name":"Free University Amsterdam , the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gerard J.","family":"Van Den Berg","sequence":"additional","affiliation":[{"name":"Free University Amsterdam , , Amsterdam , the Netherlands"},{"name":"Tinbergen Institute , , Amsterdam , the Netherlands"},{"name":"Centre for Economic Policy Research , London , UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2003,7,8]]},"reference":[{"key":"2023040706272615400_","doi-asserted-by":"crossref","first-page":"327","DOI":"10.1016\/S0165-1765(01)00568-7","article-title":"Stayers versus defecting movers: a note on the identification of defective duration models","volume":"74","author":"Abbring","year":"2002","journal-title":"Econ. 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