Guardian: Down the years, professional footballers have blamed a lacklustre performance on many things. Famous explanations have included the ball being too bouncy (Newcastle United); the pitch being too small (Tottenham Hotspur); and the team being forced to play in the wrong colour kit (Manchester United).
Now a group of health economists has discovered another reason that should send alarm bells ringing far beyond the world of sport. Andreas Lichter, Nico Pestel and Eric Sommer, researchers at the IZA...