Tim Harford investigates numbers in the news. Numbers are used in every area of public debate. But...
Play now 10 mins
Where does Nigeria's plans to revise their GDP leave our understanding of growth in Sub-Saharan Africa? Estimates suggest it could jump as much as Ghana's did a few years ago – 60%.
This week Tim Harford talks to Morten Jerven from the School for International Studies at Simon Fraser University in Canada, author of Poor Numbers: How We Are Misled by African Development Statistics and What to Do about It', about the impact on development of these GDP statistics.
(Image: Nigerian currency. Credit: Dan Kitwood/Getty Images)
And what is the chance of the Duchess of Cambridge having twins given she has severe morning sickness?
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.