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Oligopoly in grain production and consumption: an empirical study on soybean international trade in China
Open accessAbstract
What has been neglected in much of the existing studies of the influence of seasonal and regional characteristics of agriculture on the market power and national security. This paper constructs a multivariate equations model to investigate the monopoly power of seasonal suppliers and national security in China’s soybean market. The results show no relationship between market share and monopoly power; and that CR3 and HHI show China’s soybean import market has been the highest oligopoly type, but the model suggest that exporters (the U.S., Brazil and Argentina) have very weak monopoly power and China has no monopsony power; and that the performance of some exporters’ soybeans is affected by others, while others are relatively independent in market. This is due to the non-substitutability of the product, the non-substitutability of the buyer and the seller, etc., which causes the mutual dependence of the seller and buyer, and their market power cancel each other out. The seasonality and regionality of soybean production is the root. Considering national security, it is necessary to take the seasonal and regional characteristics of exporters into account to disperse trade risks and oppose monopolisation of international food production and trade.
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“In China, for example, the top three soy importing firms control 94 % of the market (Yan et al. 2023).”
From Corporate concentration and power matter for agency in food systems (2025) · cites this paper as Yan et al. 2023
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Corporate concentration and power matter for agency in food systems
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Metadata
- Authors
- Yan, J., Xue, Y., Quan, C., Wang, B., & Zhang, Y.
- Affiliations
- Hebei Agricultural University (CN)
- School of Economics, Shandong Women’s University, Jinan, China
- Yantai University (CN)
- ORCID
- Wang, Bo
- Venue
- Economic Research-Ekonomska Istraživanja
- Publisher
- Informa UK Limited
- Published
- 2022-12-05
- Volume
- 36
- Issue
- 2
- ISSN
- 1331-677X (ISSN-L)
- 1848-9664
- OpenAlex
- W4311623143
- Cited by
- 12
- References
- 32
- Citations by year
- 2025: 6 · 2024: 3 · 2023: 3
- FWCI
- 2.41
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Economic Research-Ekonomska Istraživanja (publishedVersion, cc-by)
- Hrčak Portal of scientific journals of Croatia (University Computing Centre) (submittedVersion, other-oa)
- RePEc: Research Papers in Economics (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Funders
- National Philosophy and Social Science Foundation of China (19CJY023)
- Topics
- Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Economics of Agriculture and Food Markets
- Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Agricultural economics and policies
- Social Sciences › Economics, Econometrics and Finance › General Economics, Econometrics and Finance › Global trade and economics
- Keywords
- oligopoly, soybean trade, soybean imports, market power, market share, Herfindahl-Hirschman index, monopsony power, food security, agricultural seasonality, regional specialization, China
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