頁籤選單縮合
題 名 | The External Effect of Horizontal Mergers in an Oligopolistic Industry with Differentiated Products=寡占異質產品產業中水平合併的外部效果 |
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作 者 | 翁世芳; | 書刊名 | 經濟論文叢刊 |
卷 期 | 23:2 1995.06[民84.06] |
頁 次 | 頁195-222 |
分類號 | 553.5 |
關鍵詞 | 寡占; 異質產品; 產業; 水平合併; 外部效果; |
語 文 | 英文(English) |
中文摘要 | 本文指出,合併廠商對其他廠商利潤與消費者剩餘的外部效果,當產品 差異小時較可能為正。合併廠商會往合併形成之後即時漲價,而後產業內的其他 廠商會跟進。本文進一步導出合併導致福利提昇的充要條件。如果本國廠商產品 與外國廠商產品為替代品,則即使在外商數目甚小時,對外國廠商課進口關稅也 會造成國內福利的降低。 |
英文摘要 | This paper shows that a merger's external effect on outsider firms' profit and consumer surplus is more likely tobe positive if products are less differentiated. The mergerwill raise the new company's price from pre-merger Nashequilibrium right after the merger is formed, and then therest of the industry will follow by raising prices. This paper then proceeds to derive the necessary and sufficientconditions for welfare improving mergers. One immediate application of the result is that if the products ofdomestic firms and foreign firms are distant substitutes,then imposing tariffs on imports from foreign firms willreduce domestic welfare even if the number of foreignfirms is small. |
本系統中英文摘要資訊取自各篇刊載內容。