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Wage returns to interregional mobility among Ph.D graduates: Do occupations matter?

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  • Barbara Ermini
  • Luca Papi
  • Francesca Scaturro

Abstract

This paper addresses the wage returns to interregional mobility among Italian Ph.D workers. We control for selection bias in both migration and occupation choice by estimating a double sample selection model. While OLS estimates indicate a positive wage premium of mobility across all types of occupations examined, wage equations estimated by correcting for double sample selection evidence a wage penalty for movers within academia, no effects for movers carrying out R&D activities but positive returns if they work within the industry sector. The selection process appears to be stronger when mobility choice is considered in comparison to the choice of occupation. Este artículo se ocupa de la rentabilidad salarial de la movilidad interregional entre los trabajadores italianos con doctorado. Se controló el sesgo de selección tanto en la migración como en la elección de la profesión mediante la estimación de un modelo de selección de muestra doble. Mientras que las estimaciones de los MCO indican una prima salarial positiva de movilidad en todos los tipos de ocupaciones examinadas, las ecuaciones salariales estimadas después de una corrección mediante selección de una muestra doble ponen de manifiesto una penalización salarial para las personas que se desplazan dentro del mundo académico, ningún efecto para las personas que se desplazan para realizar actividades de I+D, y un rendimiento positivo si trabajan en el sector industrial. El proceso de selección parece ser más fuerte cuando se considera la elección de la movilidad en comparación con la elección de la ocupación. 本稿では、イタリアにおけるPh.D取得者の労働者の地域間移動に対する賃金リターンについて検討する。二重サンプルの選択モデルの推計により、移住の選択と職業の選択の両方の選択バイアスを制御する。OLSによる推計では、対象のすべての職業で移動によるプラスの賃金プレミアムが示されたが、二重サンプル選択の補正により推計した賃金方程式から、研究領域内の移動者には賃金ペナルティがあることを示すエビデンスが得られ、移動者が研究開発を行う場合には効果が得られないが、産業セクターで働く場合にはプラスのリターンがある。職業の選択と比較すると、移動の選択を考慮するときの方が、選択の過程が重要なようである。

Suggested Citation

  • Barbara Ermini & Luca Papi & Francesca Scaturro, 2019. "Wage returns to interregional mobility among Ph.D graduates: Do occupations matter?," Papers in Regional Science, Wiley Blackwell, vol. 98(2), pages 995-1025, April.
  • Handle: RePEc:bla:presci:v:98:y:2019:i:2:p:995-1025
    DOI: 10.1111/pirs.12375
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    Cited by:

    1. Alfano, Vincenzo & D'Uva, Marcella & De Simone, Elina & Gaeta, Giuseppe Lucio, 2019. "Should I stay or should I go? Migration and job-skills mismatch among Italian doctoral recipients," GLO Discussion Paper Series 340, Global Labor Organization (GLO).
    2. Giuseppe Lucio Gaeta & Giuseppe Lubrano Lavadera & Francesco Pastore, 2022. "The Effect of Job–Education Vertical Mismatch on Wages Among Recent PhD Graduates: Evidence From an Instrumental Variable Analysis," Italian Economic Journal: A Continuation of Rivista Italiana degli Economisti and Giornale degli Economisti, Springer;Società Italiana degli Economisti (Italian Economic Association), vol. 8(1), pages 197-225, March.

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