Estimating the degree of market power in the vegetable market in Japan

Estimating the degree of market power in the vegetable market in Japan
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日本蔬菜市场的市场支配力程度评估

DOI:
10.1017/age.2021.12
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发表时间:
2021
影响因子:
1.3
通讯作者:
Kaiser Harry M.
Kaiser Harry M.
中科院分区:
--
文献类型:
--
作者:
Sano Yuki;Sato Takeshi;Kawasaki Kentaro;Suzuki Nobuhiro;Kaiser Harry M.

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为了充分了解日本蔬菜的市场结构,由于生产者对零售商的潜在市场力量,有必要建立一个寡头垄断模型。我们首先通过扩展双边寡头垄断模型来估计生产者和零售商之间的市场力量。接下来,我们评估批发市场的作用及其对经济福利的影响。我们的结果表明,批发市场通过降低零售利润率使生产者和消费者都受益。本研究通过建立双边寡头垄断模型和对日本批发市场体系进行实证测量,对产业组织文献做出了贡献。
To adequately capture the market structure of vegetables in Japan, it is necessary to develop an oligopolistic model due to the potential market power of producers vs. retailers. We first estimate the market power between producers and retailers by extending the bilateral oligopoly model. Next, we evaluate the role of the wholesale market and its effect on economic welfare. Our results indicate that the wholesale market benefits both producers and consumers through a reduction in retail margins. This study contributes to the industrial organization literature by developing a bilateral oligopoly model and empirically measuring the wholesale market system in Japan.
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