Key points are not available for this paper at this time.
George A. Akerlof, Andrew K. Rose, Janet L. Yellen, Helga Hessenius, Rudiger Dornbusch, Manuel Guitian, East Germany in from the Cold: The Economic Aftermath of Currency Union, Brookings Papers on Economic Activity, Vol. 1991, No. 1 (1991), pp. 1-105
Akerlof et al. (Tue,) studied this question.