根据你的链接下到的是这篇文章，对么？
Country portfolio dynamics
Michael B. Devereuxa, , and Alan Sutherlandb, 1,
a CEPR, NBER and Department of Economics, University of British Columbia, 997-1873 East Mall, Vancouver, BC, Canada V6T 1Z1
b CEPR and School of Economics and Finance, University of St Andrews, St Andrews, Fife KY16 9AL, UK

Received 12 April 2009;  
accepted 23 February 2010.  
Available online 24 March 2010.

The Rise of Web
Service Ecosystems
Alistair P. Barros and Marlon Dumas

楼上的，对不起啊，我的网太慢了

链接是用我的复制到另一个上面导致出错，我要的是“The Rise of Web Service Ecosystems”，但我两个都会下。