{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T08:34:35Z","timestamp":1777538075733,"version":"3.51.4"},"reference-count":0,"publisher":"Cambridge University Press (CUP)","issue":"1","license":[{"start":{"date-parts":[[2002,3,6]],"date-time":"2002-03-06T00:00:00Z","timestamp":1015372800000},"content-version":"unspecified","delay-in-days":33,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Econom. Theory"],"published-print":{"date-parts":[[2002,2]]},"abstract":"<jats:p>We provide a proof of the consistency and asymptotic normality \nof the estimator suggested by Heckman (1990, <jats:italic>American Economic \nReview<\/jats:italic> 80, 313\u2013318) for the intercept of a \nsemiparametrically estimated sample selection model. The estimator \nis based on \u201cidentification at infinity,\u201d which \nleads to nonstandard convergence rate.<\/jats:p>","DOI":"10.1017\/s0266466602181035","type":"journal-article","created":{"date-parts":[[2002,11,14]],"date-time":"2002-11-14T22:01:41Z","timestamp":1037311301000},"page":"40-50","source":"Crossref","is-referenced-by-count":17,"title":["ON INTERCEPT ESTIMATION IN THE SAMPLE SELECTION MODEL"],"prefix":"10.1017","volume":"18","author":[{"given":"Marcia M.A.","family":"Schafgans","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Victoria","family":"Zinde-Walsh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2002,3,6]]},"container-title":["Econometric Theory"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S0266466602181035","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,4,6]],"date-time":"2019-04-06T19:47:32Z","timestamp":1554580052000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S0266466602181035\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2002,2]]},"references-count":0,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2002,2]]}},"alternative-id":["S0266466602181035"],"URL":"https:\/\/doi.org\/10.1017\/s0266466602181035","relation":{},"ISSN":["0266-4666","1469-4360"],"issn-type":[{"value":"0266-4666","type":"print"},{"value":"1469-4360","type":"electronic"}],"subject":[],"published":{"date-parts":[[2002,2]]}}}