Financial Stability, the Trilemma, and International Reserves
[size=-1]Maurice Obstfeld, Jay C. Shambaugh and Alan M. Taylor
Vol. 2, No. 2, April 2010http://www.aeaweb.org/atypon.php?return_to=/doi/pdfplus/10.1257/mac.2.2.57
有working paper，只需要正式版本，谢谢！！！！