Using the Young Finns Study (YFS) combined with the Finnish Linked Employer-Employee Data (FLEED) we show that quantities of creatine measured in 1980 prior to labour market entry affect labour market outcomes over the period 1990-2010. Those with higher levels of creatine (proxied by urine...

With the growth of the Internet, online job portals have become an important medium for job matching. This paper focuses on methodological issues arising from the usage of online job vacancy data and voluntary web-based surveys to analyse the labour market. In addition to providing a...