Bianchi, Marco; Zoega, Gylfi - 1998
shocks to unemployment, but not after small changes. The result poses a challenge to theory, since most existing hysteresis …One of the stylized facts of unemployment is that shifts in its mean rate between decades and half-decades account for …-parametric density estimation techniques to identify the dates of infrequent changes in the mean of the unemployment rate series of 17 …