篇名：1

题名：Are U.S. regional incomes converging? : A time series analysis

作者：Gerald A. Carlino；Leonard O. Mills

期刊：Journal of Monetary Economics
期号：Volume 32, Issue 2, November 1993, Pages 335-346

链接：http://www.sciencedirect.com/science/article/B6VBW-458X251-N/2/0e26b2d7cc1b7f62f2e06f96c81c5f58

篇名：2 题名：Testing the null of stationarity in the presence of a structural break

作者: Junsoo Lee; Mark Strazicich

期刊：Applied Economics Letters

期号：Volume 8, Issue 6 June 2001 , pages 377 - 382

链接：http://www.informaworld.com/smpp/content~content=a713760815~db=all

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