各位 大虾，

球以下英文文献：

Eng, Y.K. and Wong, C.Y. (2008), "A Short Note on Business Cycles of Underground Output: Are They  Asymmetric?," Economics Bulletin, 3(58), 1-10.

Khong, W.L.R. and Lau, E. (2007), "Business Cycles Asymmetry: An Analysis of Developing Countries," Icfai University Journal of Applied Economics, 6(2), 33-44.

Narayan, P.K. and Narayan, S. (2008), "Examining the Asymmetric Behaviour of Macroeconomic Aggregates in Asian Economies," Pacific Economic Review, 13(5), 567-574.

Authors: Huseyin Tastan a; Nuri Yildirim Business cycle asymmetries in Turkey: an application of Markov-switching autoregressions International Economic Journal, Volume 22, Issue 3 September 2008 , pages 315 - 333 。

我表示十二万分的感谢。

nazikhan@yahoo.com