急需3篇英文文献，哪位有资源的朋友帮忙查出来上传，不胜感激。不要设置收费喔！
1）Gagnon, L., L. Gregory, and M. Thomas, 1998, Hedging foreign currency portfolios, Journal of Empirical Finance 5, 197-220.
2）Guo, B., 2002, Currency risk hedging with time-varying correlations, SSRN working paper.
3）Hautsch, N., and J. Inkmann, 2005, Optimal hedging of the currency exchange risk exposure of dynamically balanced strategic asset allocations,
Journal of Asset Management 4, 173-189, Forthcoming.

谢谢2楼的帮我找齐了3篇文章，并电邮给我。谢绝另外设置收费的资源。请管理员给予2楼奖励，以表彰他的无私帮助。