This paper views movements in unemployment as the result of the interaction between: (a) lags in labour market decisions; and (b) labour market shocks with temporary and permanent components. Two features of unemployment dynamics are examined: (i) `unemployment persistence', arising when...

This paper evaluates two theories of unemployment: the natural rate theory (whereby unemployment is depicted as fluctuating around a reasonably stable natural rate) and the chain reaction theory (which views movements in unemployment as the outcome of the interplay between labour market shocks...