Recent work by Clements and Hendry have shown why forecasting systems that are in terms of differences, dVARs, can be more accurate than econometric models that include levels variables, ECMs. For example, dVAR forecasts are insulated from parameter non-constancies in the long run mean of the...

This paper examines the impact of performance-related pay on wage differentials within firms. Our theoretical framework predicts that, compared to a fixed pay system, pay schemes based on individual output increase within-firm wage inequality, while group-based bonuses have minor effects on wage...

In an article in International Tax and Public Finance, Peter Birch Sørensen (2005) gives an in-depth account of the new Norwegian Shareholder Tax, which allows the shareholders a deduction for an imputed risk-free rate of return. Sørensen’s positive evaluation appears as reasonable for a...