More or Less: Behind the Stats - Do big football clubs win more penalties?

Do Manchester United and other leading clubs like Real Madrid and Barcelona benefit from biased refereeing decisions when they play in front of their home crowd? It?s a widely-held view, but Tim Harford challenges it with a look at the penalty statistics. Plus, he meets Hans Rosling of Gapminder at the Skoll World Forum: if you want to understand the world you?re living in, and how it will be different to the world your children and grandchildren will live in, listen to this interview. This programme was first broadcast on the BBC World Service.

More or Less: Behind the Stats - What is the world average salary?

If there were perfect income equality worldwide, and everybody earned the same amount of money, how much would they earn? And what is the average employee wage across the world? Tim Harford answers both these questions. Plus, he attempts to rank the world?s top military forces. This edition of the programme was first broadcast on the BBC World Service.