买方势力对成本-价格传递率的影响

研究了纵向产业链结构中成本传递的影响因素，将成本-价格传递率分解成批发和零售两个环节的价格传递率，分析在线性定价、两部收费制和收益分成三种纵向合约形式下，买方势力对两种价格传递率的影响.结果表明:买方势力和纵向合约形式均会对两种价格传递率产生影响.线性合约条件下，买方势力对零售价格传递率没有影响，对批发价格传递率的影响与需求曲率有关.两部收费制合约下，价格传递率与买方势力无关.收益分成合约下，零售价格传递率随买方势力增加而减小，批发价格传递率则随买方势力增加而升高.

Effect of Buyer Power on the Cost-Price Pass-Through

The influencing factors of cost-price pass-through in the vertical industry chain were studied. The cost-price pass-through was decomposed into the wholesale pass-through and retail pass-through， and the effect of buyer power on the two kinds of pass-through was analyzed under three vertical contracts: linear pricing， two-part tariffs， and revenue-sharing. The results showed that both buyer power and vertical contract will affect the pass-through. Under linear contract， buyer power has no influence on the retail pass-through， but has an impact on the wholesale pass-through， and the influence is related to the demand curvature. Under the two-part tariff system， the wholesale pass-through and retail pass-through have nothing to do with buyer power. Under revenue-sharing contract， the retail pass-through decreases in buyer power， and the wholesale pass-through increases in buyer power.