Hypomania 发表于 2025-3-25 03:24:34

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有抱负者 发表于 2025-3-25 10:59:26

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insular 发表于 2025-3-25 14:47:31

https://doi.org/10.1007/978-3-642-19183-1erent innovations will then usually partly compete with each other for market acceptance, but partly they are also complementary to each other, thereby enhancing each other’s prospects. All innovations in the making at one moment of time build of course on earlier innovations and on market experience with these earlier innovations.

Lipoma 发表于 2025-3-25 15:54:38

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心痛 发表于 2025-3-25 23:34:41

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滔滔不绝地说 发表于 2025-3-26 04:11:20

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严厉批评 发表于 2025-3-26 06:08:58

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GROG 发表于 2025-3-26 12:30:28

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公司 发表于 2025-3-26 15:32:27

https://doi.org/10.1007/978-3-319-93515-7 distortion in the allocation of resources, which could be called barriers to entry. Indeed, the concept of an incumbent firm as opposed to an entering firm only begins to make sense, if there are factors which make it relevant for today, whether or not a firm was a supplier yesterday. But this can

贵族 发表于 2025-3-26 18:31:08

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查看完整版本: Titlebook: Barriers to Entry; A Theoretical Treatm C. C. Weizsäcker Book 1980 Springer-Verlag Berlin Heidelberg 1980 Marktzutritt.competition.consumer