对跨国战略联盟的博弈分析

跨国战略联盟通过供给和分散协议替代了直接出口竞争，合作方没有股权的分离而是保持一种合作中的竞争关系。通过动态博弈分析了跨国企业出口对抗均衡和联盟合作均衡形成的过程，阐明了两种不同均衡条件对于市场价格、产出水平和社会福利变化的影响，并推断出战略联盟作为一种有效经济组织所需的前提条件。     

Scale of Entry and Its Effects on Trade Policies in International Oligopoly Market

On the assumption that the govermment has no anthority to intervene in the merger and separation of enterprises except to intervene in the export market by the protective tariff policy, but the enterprises can compete in international market in the form of merger or separation according to their own interests, the duopoly model was extended to a multiopoly model under Krugman- Brander framework, the effects of the variation of the number of enterprises on the enterprise＇ payoffs and trade policies were studied, and the promise and policy effect of flexible organization strategies of enterprises were analyzed. The obtained propositions show that the implementation of the enterprise organization strategies can offset the effect of other countries＇ strategic trade policy, and the rise of the number of enterprises in the industry is helpful to the formation of free trade. Furthermore, it is proved that if the rise of the number of enterprise in different countries causes the increase （ or decrease） of domestic producer surplus, then the domestic enterprises should take a form of separation （ or merger） to participate in the industry competition.     

QFII进入中国证券市场后的博弈结构

通过对境外机构投资者(QFII）进入中国证券市场后市场结构的变动进行博弈分析，建立了QFII与本地机构投资者(DII)的信号传递博弈模型，并对QFII和DII和PI(个人投资者)3者之间的博弈进行了分析．结果表明，由于QFII拥有对股市的分析判断能力、对信息掌握程度及资金实力等方面的优势，QFII将成为证券市场的主导力量，并引导市场投资理念由外生导向的资金驱动型转向内生导向的价值驱动型。