（1）Multiple Trend Breaks and the Unit-Root Hypothesis

• Robin L. Lumsdaine and David H. Papell

The Review of Economics and Statistics
Vol. 79, No. 2 (May, 1997), pp. 212-218

URL : http://www.jstor.org/stable/2951453


（2）

• Using Panel Data to Evaluate Growth TheoriesPaul Evans
• International Economic Review Vol. 39, No. 2 (May, 1998), pp. 295-306
  URL: http://www.jstor.org/stable/2527294