“…Numerous papers investigate the nonsustainability of the ERM II as an intermediate ERR from the aspect of simultaneous realization of the ER and inflation target. The references show that simultaneous achievement of the nominal convergence (ER and inflation stability) and the real convergence (faster economic growth) is almost impossible (Adahl, 2000;Buiter & Grafe, 2002;De Broeck & Slok, 2002;Begg, Eichengreen, Halpern, von Hagen, & Wyplosz, 2003;Fahrholz, 2003;Eijffinger, 2003;Issing, 2003;De Grauwe & Schnabl, 2004;Polanski, 2004;Tchorek, 2017;etc. ).…”