Analyzing horizontal integration and market efficiency in platform enterprises: A case study of exchanges

Min Liu and Sajid Anwar

Economics and Politics, 2024, vol. 36, issue 2, 1076-1089

Abstract: As a platform for the trading of bulk commodities, securities, and futures, exchanges, characterized by platform‐like attributes, provide inexhaustible power for the further development of commodity economy through horizontal integration. This paper examines the international integration landscape of the modern exchanges through the lens of platform economy theory, specifically examining the ramifications of their horizontal integration on market efficiency. Employing the net utility hypothesis within the Hotelling model, we construct a nuanced trader utility model. Through a comparative analysis of platform profit, trader utility, and social welfare, the research discerns the impact of exchanges' horizontal integration. We highlight the intrinsic incentives for such integration within exchanges and put forth pertinent policy recommendations, adding a dimension of practical relevance to the academic discourse. The paper concludes by highlighting the role of government in promoting the efficiency of platform enterprises.

Date: 2024
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