Dreger, Christian; Kosfeld, Reinhold - In: Journal of Economics and Statistics (Jahrbuecher fuer … 230 (2010) 3, pp. 274-286
We investigate price level convergence on the base of regional data for 439 German districts. Prices refer to the overall consumer price index as well as to the index without housing prices. To increase the efficiency of the testing framework, the analysis is based on panel unit root tests....