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Journal : Eko-Regional: Jurnal Pembangunan Ekonomi Wilayah

Heterogeneity of Social Returns to Education Across Employees Education Levels in Indonesia Wahyuni, Ribut Nurul Tri; Retnaningsih, Retnaningsih; Yuliana, Lia
Eko-Regional: Jurnal Pembangunan Ekonomi Wilayah Vol 20 No 2 (2025): September 2025
Publisher : Faculty of Economics and Business Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32424/er.v20i2.15782

Abstract

This study estimates the heterogeneity of agglomeration externalities across employees' education levels in Indonesia. This study uses the 2020-2024 microdata and the Instrumental Variable (IV) Heckman model with the historical population density and the number of universities as IVs. The result indicates that social returns to education from the local high-skill labor market, which is a part of agglomeration externalities, are positively significant and higher for high- and medium-skilled employees than for low-skilled employees. This finding demonstrates the efficacy of public education investments, especially Indonesian government policy that can enhance the quantity and quality of university graduates, thereby promoting the transfer of knowledge to all employees and eventually reducing wage inequality between regions.