【作者(必填)】
Cool, K., I. Dierickx, and D. Jemison
【文题(必填)】
business strategy, market structure and risk-return relationship: A structural approach
【年份(必填)】
1989
【全文链接或数据库名称(选填)】
http://onlinelibrary.wiley.com/doi/10.1002/smj.4250100602/abstract