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When you make and buy: understanding service delivery portfolios in concurrent sourcing

Year: 2026

Type: article

Abstract: Concurrent sourcing, the simultaneous use of in-house provision and contracting out, remains underexplored. This study examines how the allocation between in-house and contracted modes in service delivery portfolios affects service performance. Using panel data on children’s social care services provided by English local authorities from 2014 to 2023, we find that concentrated portfolios, in which one delivery mode dominates and the other plays a supporting role, are associated with better performance. By contrast, dominant mode itself and the mix of contractor types within outsourced provision show limited influence. The findings highlight portfolio design as central to concurrent sourcing.

Source: Public Management Review

DOI: 10.1080/14719037.2026.2690424

Authors: Ming Li, Jiahuan Lu, Jianzhi Zhao, Yongkang Wang, Yiying Chen

Institutions: University of International Business and Economics, Syracuse University, University of Exeter

Language: English

Topic: Public Policy and Administration Research

Subfield: Public Administration

Field: Social Sciences

Domain: Social Sciences

Open Access status: hybrid

OpenAlex ID: W7166335833

FWCI:

Cites: 53

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