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¾ÜºÙ | ¡ÚÊó¹ð¼Ô¡Û³¤Ï·Ì¾¹ä¡¡¡ÊÅìµþ¹©¶ÈÂç³Ø¼Ò²ñÍý¹©³Ø¸¦µæ²ÊÇî»Î²ÝÄø¡Ë ¡Ú¥¿¥¤¥È¥ë¡Û Option Package Bundling¡¡ ¡Ú¾ì½ê¡Û1¹æ´Û401¶µ¼¼ ¡Ú³µÍ×¡Û ³¤Ï·Ì¾»á¤Ï¡¢¤Þ¤â¤Ê¤¯Åìµþ¹©¶ÈÂç³Ø¤Ë³Ø°Ì¿½ÀÁÏÀʸ¤òÄó½Ð¤¹¤ë¤ª¤â¤Ëº®¹ç²ÉÀê¤ò¸¦µæÎΰè¤È¤¹¤ë¼ã¼ê¸¦µæ¼Ô¤Ç¤¢¤ë¡£º£²ó¤ÎÊó¹ð¤ÏÀ©ÅÙÀ߷פο¼¤¯¤«¤«¤ï¤ë¥á¥«¥Ë¥º¥à¥Ç¥¶¥¤¥óʬÌî¤Îŵ·¿Åª¤Ê±þÍÑÎã¤Ç¤¢¤ëÊú¤¹ç¤ï¤»ÈÎÇä²Á³Ê¤Ë´Ø¤¹¤ë¤â¤Î¤Ç¤¢¤ë¡£ ¡¡Option package bundling problems arise if there is an optional good, which is valuable only if a certain (non-optional) base good is consumed together. A firm that produces both types of goods then faces the decision of whether to sell them only in a package (pure bundling), or to sell base goods both with or without optional goods, leaving the choice of consuming them together to buyers (mixed bundling). We study a model of a monopolist's option package bundling problem, in which the monopolist produces base and optional ones, with no marginal costs, and buyers' valuations are independently and uniformly distributed. We derive the optimal bundling prices, and verify that mixed bundling outperforms pure bundling if and only if the range of optional good valuation exceeds a certain size. We argue that the result is robust except in the case where the marginal cost is higher than the lowest valuation for an optional good. This suggests an interesting testable implication: the smaller the diversity of the valuation of an optional good, the more likely that the monopolist adopts pure bundling. |
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