【题 名】： Corporate Governance and the Board of Directors: Performance Effects of Changes in Board Composition
            【作 者】： Baysinger and Butler
            【期刊、会议、单位名称】：Journal of Law, Economics and Organization
            【年, 卷(期), 起止页码】：Vol 1 Issue 1
            【全文链接】：http://jleo.oxfordjournals.org/content/1/1/101.extract