This study examines the existence of long run relation between crude oil, natural gas and coal prices. Energy data for US is used and Based on the result of The Augmented Dickey-Fuller (ADF) tests, autoregressive distributed lag (ARDL) approach is adapted to cointegration analysis. Underlying...

To account for employment evolutions at the macro-economic level, we propose a modelling where employment is explained by added value, working time and real labour cost. Estimations using quarterly French macro-economic data are carried out in a multivariate framework for three sets of sectors....