The nonlinear behaviour of four coffee price series is examined, that is, unwashed Arabicas (i.e. coffee from Brazil), Colombian Mild Arabicas (i.e. coffee from Colombia), other Mild Arabicas (i.e. coffee from other Latin American countries), and Robusta coffee (i.e. coffee from Africa and...

This paper estimates an asymmetric error correction model to analyse the dynamic behaviour of the Colombian unemployment rate. It is found that wages above their long-run equilibrium level do increase unemployment, but wages below this level do not reduce it. This finding provides evidence of...