Beyond unobserved heterogeneity in computer wage premiums: Most findings on the (non-)existence of a wage premium on computer use are biased because they are based on single-equation estimation of a wage equation. Controlling for fixed effects ignores the simultaneity problem. Through the...

This paper argues that immigration can help to alleviate the burden ageing presents for the welfare states of most Western Economies. We develop a macroeconomic framework which deals with the impact of both ageing and immigration on economic growth. This is combined with a detailed model of the...