{"id":10221,"date":"2026-02-17T19:54:40","date_gmt":"2026-02-17T17:54:40","guid":{"rendered":"https:\/\/www.regionaleconomy.eu\/rivista\/?p=10221"},"modified":"2026-02-27T18:08:23","modified_gmt":"2026-02-27T16:08:23","slug":"in-work-income-stochastic-frontiers-methodological-advances-for-income-inequalities-investigations","status":"publish","type":"post","link":"https:\/\/www.regionaleconomy.eu\/rivista\/re\/in-work-income-stochastic-frontiers-methodological-advances-for-income-inequalities-investigations\/","title":{"rendered":"In-work income stochastic frontiers: methodological  advances for income inequalities investigations"},"content":{"rendered":"<p style=\"text-align: center;\"><a class=\"btn btn-danger\" href=\"https:\/\/www.regionaleconomy.eu\/RePEc\/pdf\/9\/3-13.pdf\" rel=\"noopener\">\ud83d\udcc4 PDF<\/a> <a class=\"btn btn-success\" href=\"https:\/\/ideas.repec.org\/a\/atk\/issues\/q3202510203.html\">\ud83d\udcca REPEC<\/a><\/p>\n<p style=\"text-align: center;\">*<em> contributo incluso nello Special Issue &#8220;Le disuguaglianze economiche e la distribuzione territoriale del reddito: avanzamenti metodologici ed inefficienza distributiva<\/em>&#8220;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Sintesi.<\/strong> Questo studio esamina l\u2019inefficienza nella distribuzione del reddito in Italia utilizzando l\u2019Approccio della Frontiere Stocastiche (Stochastic Frontier Approach, SFA). Utilizzando i dati dell\u2019indagine European Union Statistics on Income and Living Conditions (EU-SILC) per l\u2019Italia relativi al 2021, stimiamo equazioni salariali per mostrare che i recenti avanzamenti metodologici nell\u2019SFA si adattano meglio alla distribuzione del reddito da lavoro. I risultati evidenziano la presenza sia di dipendenza tra le due componenti di errore della frontiera stocastica del reddito, sia di asimmetria dell\u2019errore accidentale.<\/p>\n<p><strong>Abstract.<\/strong> This study examines the inefficiency in the income distribution for Italy employing the Stochastic Frontier Approach (SFA). By using data from the European Union Statistics on Income and Living Conditions (EU-SILC) survey for Italy in 2021, we estimate wage equations to show that recent methodological advances in the SFA better fit the distribution of in-work income. We find evidence of the presence of both dependence between the two error components of the income stochastic frontier and asymmetry of the accidental error.<\/p>\n<p><strong>Keywords<\/strong>: income stochastic frontiers, wage, Dagum distribution.<\/p>\n<p><strong>\u00a0<\/strong><strong>JEL codes<\/strong>: D31, D63, C31, C18, C46.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Questo studio esamina l\u2019inefficienza nella distribuzione del reddito in Italia utilizzando l\u2019Approccio della Frontiere Stocastiche (Stochastic Frontier Approach, SFA). Utilizzando i dati dell\u2019indagine European Union Statistics on Income and Living Conditions (EU-SILC) per l\u2019Italia relativi al 2021, stimiamo equazioni salariali per mostrare che i recenti avanzamenti metodologici nell\u2019SFA si adattano meglio alla distribuzione del reddito da lavoro. I risultati evidenziano la presenza sia di dipendenza tra le due componenti di errore della frontiera stocastica del reddito, sia di asimmetria dell\u2019errore accidentale.<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[3,748],"tags":[756],"coauthors":[11,755],"class_list":["post-10221","post","type-post","status-publish","format-standard","hentry","category-re","category-volume-9-2025","tag-specialissueinequality"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>In-work income stochastic frontiers: methodological advances for income inequalities investigations - Regional Economy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.regionaleconomy.eu\/rivista\/re\/in-work-income-stochastic-frontiers-methodological-advances-for-income-inequalities-investigations\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"In-work income stochastic frontiers: methodological advances for income inequalities investigations - Regional Economy\" \/>\n<meta property=\"og:description\" content=\"Questo studio esamina l\u2019inefficienza nella distribuzione del reddito in Italia utilizzando l\u2019Approccio della Frontiere Stocastiche (Stochastic Frontier Approach, SFA). Utilizzando i dati dell\u2019indagine European Union Statistics on Income and Living Conditions (EU-SILC) per l\u2019Italia relativi al 2021, stimiamo equazioni salariali per mostrare che i recenti avanzamenti metodologici nell\u2019SFA si adattano meglio alla distribuzione del reddito da lavoro. I risultati evidenziano la presenza sia di dipendenza tra le due componenti di errore della frontiera stocastica del reddito, sia di asimmetria dell\u2019errore accidentale.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.regionaleconomy.eu\/rivista\/re\/in-work-income-stochastic-frontiers-methodological-advances-for-income-inequalities-investigations\/\" \/>\n<meta property=\"og:site_name\" content=\"Regional Economy\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-17T17:54:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-27T16:08:23+00:00\" \/>\n<meta name=\"author\" content=\"Graziella Bonanno, Filippo Domma\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scritto da\" \/>\n\t<meta name=\"twitter:data1\" content=\"Graziella Bonanno, Filippo Domma\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.regionaleconomy.eu\\\/rivista\\\/re\\\/in-work-income-stochastic-frontiers-methodological-advances-for-income-inequalities-investigations\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.regionaleconomy.eu\\\/rivista\\\/re\\\/in-work-income-stochastic-frontiers-methodological-advances-for-income-inequalities-investigations\\\/\"},\"author\":{\"name\":\"Graziella Bonanno\",\"@id\":\"https:\\\/\\\/www.regionaleconomy.eu\\\/rivista\\\/#\\\/schema\\\/person\\\/a1e8305b3d047428c260db3b2cbef391\"},\"headline\":\"In-work income stochastic frontiers: methodological advances for income inequalities investigations\",\"datePublished\":\"2026-02-17T17:54:40+00:00\",\"dateModified\":\"2026-02-27T16:08:23+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.regionaleconomy.eu\\\/rivista\\\/re\\\/in-work-income-stochastic-frontiers-methodological-advances-for-income-inequalities-investigations\\\/\"},\"wordCount\":214,\"keywords\":[\"#specialissueinequality\"],\"articleSection\":[\"Regional Economy\",\"Volume 9, 2025\"],\"inLanguage\":\"it-IT\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.regionaleconomy.eu\\\/rivista\\\/re\\\/in-work-income-stochastic-frontiers-methodological-advances-for-income-inequalities-investigations\\\/\",\"url\":\"https:\\\/\\\/www.regionaleconomy.eu\\\/rivista\\\/re\\\/in-work-income-stochastic-frontiers-methodological-advances-for-income-inequalities-investigations\\\/\",\"name\":\"In-work income stochastic frontiers: methodological advances for income inequalities investigations - 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