Some recent studies have debated the appropriateness of semi-log earnings function in approximating actual earnings profiles. This study contributes further to this debate by estimating four specifications of earnings function, namely, semi-log quadratic, semi-log cubic, quadratic and cubic with...

The world eocnomy is currently adjusting to a low inflation regime which has implicastions for the cross-country distribution of world growth opportunities. In contrast to previous related work which assumes unidirectional causality, this paper uses the Granger methodology to examine both the...