<P>麻烦有空及热心的朋友帮我找下面这篇文章,感激不尽.</P>
<P>Hart and Tirole,1990.</P>
<P>Vertical Integration and Market Foreclosure</P>
<P>Brookings Papers on Economic Activity,Special Issue:205-76.</P>
<P>跟帖或发到我的油箱:shentao@ruc.edu.cn</P>
<P>都可以，多谢．</P>