7Solinger, Dorothy .J. 2001, Why We Cannot Count the Unemployed? The China Quarterly, No. 167 (August), pp. 671-688.
8Stager, D. Stock, J. and Watson, M. 1997, “How Precise Are Estimates of the Natural Rate of Unemployment?”NBER Working Paper Series, No.5447.
9Stiglitz, J. 1997, “Reflections on the Natural Rate Hypothesis.” The Journal of Economic Perspectives, Vol. 11, No. 1, pp. 3-10.
10Tootel, G. 1994, “Restructuring, the NAIRU, and the Phillips Curve,” New England Economic Review of Federal Reserve Bank of Boston,September/Ocotober 1994.
