The US labour market is characterized by a high skill wage mark-up and low unemployment, while the German labour market has a low skill wage mark-up and a high, mainly unskilled unemployment rate. This paper adds an innovative labour supply explanation to the discussion how these distinct labour...

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