Rising market power and its political discontents

Tommaso Crescioli and Toon Van Overbeke

LSE Research Online Documents on Economics from London School of Economics and Political Science, LSE Library

Abstract: How does market power affect the political behavior of small business owners? As the growing market power of large multinational firms has fundamentally changed the opportunity structure for small businesses and their beneficiaries, we try to understand how those economic developments influence European democracies. We argue that growing market power lowers small business owners’ trust in key democratic institutions and the functioning of markets, driving them to reject incumbents and shift their support to radical right parties. We employ firm-level, individual-level, and regional-level data on fourteen European countries to test this argument. Our findings indicate that rising market power, measured by combining mergers and increases in market concentration, is associated with the declining economic performance of micro-firms. In turn, mergers and the declining economic share of these firms are robust predictors of anti-incumbent and increased radical right voting both at the individual and constituency levels. This article provides the first analysis of the effect of market concentration on rich democracies and, in doing so, offers a novel explanation for the surprising radical right support among small business owners in Europe.

Keywords: market power; political economy; voting behavior; radical right; democratic institutions (search for similar items in EconPapers)
JEL-codes: D72 D74 L12 (search for similar items in EconPapers)
Date: 2026-10-04
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Published in Socio-Economic Review, 4, October, 2026. ISSN: 1475-1461

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