{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T10:14:59Z","timestamp":1788171299665,"version":"build-2803163510"},"reference-count":17,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T00:00:00Z","timestamp":1788134400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T00:00:00Z","timestamp":1788134400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Applied Econometrics"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>We replicate the two foundational studies which proposed the two\u2010tier stochastic frontier model, first in the cross\u2010sectional setting and then for the fixed effects panel data model. We explore matters of software then and now, different mathematical formulations of the likelihood, and alternative current software tools. We also highlight several data issues that arose in both replications.<\/jats:p>","DOI":"10.1002\/jae.70090","type":"journal-article","created":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T09:22:06Z","timestamp":1788168126000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Two Two\u2010Tier Stochastic Frontier Replications"],"prefix":"10.1002","author":[{"given":"Alecos","family":"Papadopoulos","sequence":"first","affiliation":[{"name":"Department of Economics Athens University of Economics and Business  Athens Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher","family":"Parmeter","sequence":"additional","affiliation":[{"name":"Department of Economics University of Miami  Miami FL USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,8,31]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"crossref","first-page":"3171","DOI":"10.1007\/s00181-020-01868-6","article-title":"Evaluating the CDF of the Skew Normal Distribution","volume":"60","author":"Amsler C.","year":"2021","journal-title":"Empirical Economics"},{"issue":"3","key":"e_1_2_7_3_1","doi-asserted-by":"crossref","first-page":"972","DOI":"10.1111\/j.1467-937X.2010.598.x","article-title":"Interfirm Mobility, Wages and the Returns to Seniority and Experience in the United States","volume":"77","author":"Buchinsky M.","year":"2010","journal-title":"Review of Economic Studies"},{"issue":"2","key":"e_1_2_7_4_1","doi-asserted-by":"crossref","first-page":"299","DOI":"10.1086\/629490","article-title":"Latent Facies Mapping From Binary Geological Data","volume":"99","author":"Doveton J. 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W.","year":"1987","journal-title":"Review of Economics and Statistics"},{"issue":"2","key":"e_1_2_7_15_1","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1002\/(SICI)1099-1255(199603)11:2<169::AID-JAE373>3.0.CO;2-#","article-title":"Panel Estimates of a Two\u2010Tiered Earnings Frontier","volume":"11","author":"Polachek S. W.","year":"1996","journal-title":"Journal of Applied Econometrics"},{"issue":"4","key":"e_1_2_7_16_1","doi-asserted-by":"crossref","first-page":"565","DOI":"10.1177\/001979399905200404","article-title":"Changing Consequences of Job Separation in the United States","volume":"52","author":"Polsky D.","year":"1999","journal-title":"Industrial and Labor Relations Review"},{"issue":"1","key":"e_1_2_7_17_1","doi-asserted-by":"crossref","first-page":"9","DOI":"10.3233\/JEM-2004-0226","article-title":"Econometric Software: The First Fifty Years in Perspective","volume":"29","author":"Renfro C. 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