感觉很一般，只有5篇文章

<p>请问你这个文献里面有没有　Bain ,Joe S. (1951) “, Relation of Profit Rate to Industry Concentration:American Manufacturing 1936 - 1940和White ,Lawrence(1976) “, Searchingfor the Critical Industrial Concentration Ratio.”in Stephen Goldfeld and Richard E.<br/>Quandt eds1,Studies in Nonlinear Estimation.Cambridge ,Mass. :Ballinger ,61 - 75？</p><p>谢谢。</p>

咬咬牙...买了...

要给出清楚的名称呀

楼主写下内容吧！