我が国の放送市場における規模の経済性と最適規模

概要

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The purpose of this paper is to calculate the optimal size for broadcasters as well as scale economies in the Japanese terrestrial broadcasting market. From the estimation of total cost function, scale economies are evaluated in the broadcasting market. It is found that many broadcasters have been operating at a less than optimal size. Therefore, the merger of local stations can be justified as an effective way of improving their management, when industry structure is evaluated from an economic standpoint.
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