求助英文文献2篇！谢谢热心大侠！ 如题
作者：Shimshack, J. P.；Ward, M. B.
标题：Regulator reputation, enforcement, and environmental compliance
期刊：Journal of Environmental Economics and Management
卷： 50(3): 519-540.
年：2005


作者：MacLeod, W. B.
标题：Reputations, relationships, and contract enforcement
期刊：Journal of Economic Literature
卷： 45(3): 595-628.
年：2007