

More or Less
BBC Radio 4
Tim Harford explains - and sometimes debunks - the numbers and statistics used in political debate, the news and everyday life
Episodes
Mentioned books

Sep 11, 2015 • 28min
Is it worth targetting non-voters?
Can you rely on non-voters
During the election for the leadership of the Labour Party in the UK Jeremy Corbyn has whipped up unprecedented support among grass roots activists pushing him into a surprising lead. Bernie Sanders the left-wing Democratic candidate has done the same energised grass roots support in the United States in a similar way. Their supporters believe in both cases they can shake up the political mainstream and convince non-voters to turn out at the ballot box. But is this a wise strategy? The latest on deaths for people admitted at a weekend?
Reports suggested 11,000 are dying in hospital after being admitted at the weekend but what does the report actually say? Too dense
Is the UK already more densely populated than other places in Europe and is this a good argument against taking more refugees. How many houses do we need?
We're told that we need to build 200,000+ houses a year to meet housing need in this country. We talk to Kate Barker the woman who first came up with this number about where it comes from and what it means. How many bananas will kill you?
There's a belief among some people that too many bananas will kill you. Eat too many and you will overdose on potassium and die. But how many bananas would you need to eat?

Sep 7, 2015 • 9min
Queuing Backwards
Queuing backwards Britons love to queue, but have we been getting it wrong? Lars Peter Osterdal from the University of Southern Denmark discusses his theory of how to make queuing more efficient. Thinking Like an Engineer Engineer Guru Madhavan tells the story of the development of the barcode and argues that those making policy should ask engineers as well as economists about solving social problems. Presenter: Tim Harford Producer: Wesley Stephenson

Sep 4, 2015 • 27min
Fit for work or at deaths door?
Deaths of people 'fit for work'
Thousands of people are dying after being declared 'fit for work' by the government according to the Guardian. The figures are from a long awaited freedom of information release from the Department for Work and Pensions. But do the figures actually tell us anything? More or Less investigates. Sugar
Sugar has had a pretty bad press over the last few months and seems to have replaced fat as the current 'evil' in our diets. We look at some of the claims that have been made about rotting teeth and the justifications for a sugar tax. Zero-hours contracts
The latest figures show a 20% rise - but does this really mean that more people are on zero hours contracts thab=n last year? Queuing Backwards
Britons love to queue, but have we been getting it wrong? Lars Peter Osterdal from the University of Southern Denmark discusses his theory of how to make queuing more efficient.

Aug 31, 2015 • 10min
WS MoreOrLess: China Stock Market Crash
A deep dive into China's stock market crash, debunking myths and analyzing its impact on the economy. Exploring the secrets behind Usain Bolt's speed, debunking leg movement rumors and focusing on stride length. Comparing elite sprinters to amateur runners in terms of running efficiency and power generation.

Aug 28, 2015 • 28min
China Stock Market Crash
The Chinese Market Crash in context.
How big is the market, how many investors does it have and does it tell us anything about the wider Chinese economy? Eight Million Foreigners
Are there really eight million foreigners in the UK? What does 95% less harmful actually mean?
E-cigarettes are 95% less harmful than ordinary cigarettes according to last week's report by Public Health England. But what does this mean? The number was arrived at using something called 'multi criteria decision analysis' so how does it work – we ask the man who brought it to the UK, Professor Larry Phillips. Thinking Like an Engineer
Guru Madhavan from America's National Academy of Scientists lifts the lid on how engineers think and argues that those making policy should ask engineers as well as economists about solving social problems. Sprinters legs
It's may seem strange, but world class runners don't move their legs faster than average park runner. That's the claim anyway – is it true and if so what is it that means athletes like Usain Bolt and Justin Gatlin run so fast?

Aug 24, 2015 • 10min
WS MoreOrLess: The Elliptical Pool Table
Mathematical writer Alex Bellos creates a unique elliptical pool table for a special game; Premier League predictions accuracy discussed; Analysing biases in football predictions; Exploring 'loop' game on the elliptical table

Aug 21, 2015 • 24min
Soaring diabetes - is there some good news?
Exploring the rise in diabetes cases and the potential good news behind the statistics. Delving into a controversial approach by police in Leicestershire to only investigate attempted burglaries at houses with even numbers. Debunking claims that one in 10 men regularly pay for sex. Discovering the magic of an ellipse in a specially designed game of pool.

Aug 17, 2015 • 10min
WS More or Less: Worm wars
Debate on mass deworming projects with economists and epidemiologists. Are football predictions reliable? Exploring impact of parasitic worm infections on children and evaluating deworming programs. Statistical queries on policy testing and randomized controlled trials.

Aug 14, 2015 • 24min
Migrant Crisis
Exploring the migrant crisis in Europe, questioning the accuracy of Daily Mail claims. Delving into the debate on mass deworming benefits. Investigating the reliability of football predictions and Leicester City's popularity. Discussing the concept of 'generations' and how long it truly lasts.

Aug 7, 2015 • 10min
WS More or Less: Wrestlers - dying too young?
Exploring the high mortality rate among wrestlers and comparing it with other athletes, analyzing lifestyle choices and historical steroid use. Debunking the myth of Nigeria being a top consumer of champagne globally with data on actual consumption rankings.


