Michelacci, Claudio; Zaffaroni, Paolo - Banca d'Italia - 2000
Unit roots in output, an exponential 2 per cent rate of convergence and no change in the underlying dynamics of output … (conditional and unconditional) convergence suit first step approximation. We show both theoretically and empirically how the … uniform 2 per cent rate of convergence repeatedly found in the empirical literature is the outcome of an underlying parameter …