Busetti, Fabio; Fabiani, Silvia; Harvey, Andrew - 2006
inflation. Special attention is paid to the issue of whether a mean should be extracted in carrying out unit root and … just in rates of inflation. The tests are applied to the monthly series of the Consumer Price Index in the Italian regional … capitals over the period 1970-2003. It is found that all pairwise contrasts of inflation rates have converged or are in the …