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논문 기본 정보

자료유형
학술저널
저자정보
김수현 (전북대학교) 백승우 (전북대학교)
저널정보
한국식품유통학회 식품유통연구 식품유통연구 제38권 제3호
발행연도
2021.9
수록면
67 - 86 (20page)
DOI
10.47085/KJFME.38.3.4

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The purpose of this study is to practically analyze the asymmetric price transmission between grain import prices and processed grain product prices by distribution channels. Also, if there is an asymmetric price transition, to check what type of price asymmetry exists. To verify the stability of the linear combination, unit root by ADF(Augmented Dickey-fuller) and cointegration test by Johansen method were performed. Using the Autoregressive Distributed Lag Model(ARDL) method, the Granger causal relationship and asymmetric price transfer were verified. The results of the analysis of wheat flour show an asymmetric price transfer between the import price and the retail price. The soybean price showed that the price transmission between grocery store imports and retail prices was asymmetric with simultaneous influence(COIA) and cumulative effect(CULA), but it is not meaningful because the proportion of grocery stores in the entire distribution channel is low. The flour analysis show that price transmission between imports and retail prices at wholesale marts has asymmetric positive variance lag effect(DLEA) and cumulative effect(CULA) asymmetry, and retail prices at super supermarkets have positive variance lag effect(DLEA) was significantly The grain processing market is a monopoly market in which the 2nd and 3rd largest companies have the largest market share and power. This market dominance could be a major cause of asymmetric price transfer. This means that the grain market is not operating efficiently. In short, government policies are needed to enhance the competitiveness of the grain market and alleviate monopoly structure. In addition, the government should regulate the occurrence of unreasonable price fixing by major grain companies and take necessary measures so that market efficiency and consumer benefits are not infringed.

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