

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

6 snips
Sep 28, 2024 • 9min
The puzzles you’re meant to get wrong
Explore the intriguing world of misleading puzzles that trick our minds into quick but incorrect conclusions. Delve into age-related riddles that illuminate cognitive reflection and the importance of careful reasoning. Discover how even the brightest can stumble on the classic bat and ball puzzle, revealing the pitfalls of intuitive thinking. Finally, unravel the hen and egg dilemma, which guides you through the logical steps to find the surprising answer of 24 eggs. It’s a fun and engaging journey through the quirks of our minds!

Sep 25, 2024 • 29min
Could the winter fuel cut cost more than it saves?
The government is pushing pensioners to claim pension credit for winter fuel payments, but this move could cost more than it saves. A new statistic on the transgender population has been downgraded, raising questions about data accuracy and resource allocation. Alarmingly, cancer rates are rising among those under 50, despite improving treatment outcomes. The discussion also touches on the complexities behind these statistics and features an engaging puzzle to test listeners' wits!

6 snips
Sep 21, 2024 • 10min
Do 85% of the world’s population practice a religion?
Conrad Hackett, a leading demographer at the Pew Research Center, delves into the complexities of global religious practices. He tackles the intriguing claim that 85% of the world’s population engages in religion, dissecting how self-identification differs from actual participation. The conversation also unveils the unique challenges faced in measuring religion in countries like China, where many spiritual practices go unreported. As religious identities evolve, Hackett highlights shifting trends and the rise of non-religious affiliations, sparking thought-provoking insights on faith's future.

4 snips
Sep 18, 2024 • 29min
How do you count millionaires?
The discussion kicks off by questioning the departure of millionaires from the UK due to new tax policies. The accuracy of these claims and the potential impact on wealth distribution takes center stage. Insights into the economic contributions of migrants reveal surprising similarities to native citizens' earnings. The podcast also dives into the Baumol effect, exploring its influence on public services like healthcare and education. Finally, the vital role of data in life-and-death situations underscores the power of statistics in shaping real-world outcomes.

Sep 14, 2024 • 9min
Nate Silver: Do risk-takers run the world?
Join Tim Harford as he chats with Nate Silver about the art of calculated risk. Discover how high-stakes players in finance and tech thrive on data-driven decisions. Silver argues that winning in today’s economy often hinges on bold bets. They explore wealth creation through risk, revealing the fine line between skill and luck. The conversation also dives into the intriguing world of political forecasting, full of bets and predictions about future elections. Get insights on why risk-takers may hold the keys to success!

14 snips
Sep 11, 2024 • 28min
How long does it take to turn around an oil tanker?
The podcast tackles misconceptions about financial benefits for migrants versus pensioners, revealing surprising truths about eligibility. It delves into the math mystery of division by zero, sparking curiosity about infinity. There's a thought-provoking discussion on why governments should invest more in evidence-based research for better social policies. Lastly, it uncovers the quick turnaround of oil tankers, demonstrating that it can happen in just four and a half minutes, prompting a reevaluation of familiar analogies in problem-solving.

9 snips
Sep 7, 2024 • 9min
Who pays when trade wars heat up?
Explore the complex world of tariffs and their impact on American consumers and manufacturers. Discover how proposed tariffs on Chinese imports spark debate among supporters and critics. Learn about the surprising burden on consumers, who often face higher costs while foreign businesses maintain prices. Delve into the economic repercussions, including the misallocation of resources and potential GDP decline. It's a revealing discussion on the nuances of trade wars and the hidden costs that affect everyday life.

7 snips
Sep 4, 2024 • 29min
Exclusions, black holes and dividing by zero
In this discussion with Kate Lamble, a reporter specializing in special educational needs in Wales, listeners dive deep into the increasing rates of school exclusions and the complexities surrounding them. Kate sheds light on the misconceptions about special educational needs in Welsh children, examining the financial strains these trends bring to schools. Additionally, the podcast investigates a projected £22 billion budget deficit for the UK government and questions surrounding the recruitment of Ghanaian nurses, all while exploring the perplexing idea of dividing by zero.

Aug 31, 2024 • 9min
Where have Cuba’s people gone?
Cuba's population has plummeted by over 10% in just two years, raising urgent questions about demographic accuracy. Experts discuss the reasons behind this mass exodus, including low birth rates and economic strife. Emigration has emerged as a major factor, impacting both society and the economy. The podcast also unveils the stark divide between government and independent demographic analyses, shedding light on the loss of skilled workers and its repercussions. The dramatic shift poses unprecedented challenges for the future of the island.

19 snips
Aug 24, 2024 • 9min
Do we eat a credit card's worth of microplastic each week?
Professor Jamie Woodward, a researcher from the University of Manchester, dives into the striking statistic claiming we consume 5.5 grams of microplastic weekly—akin to a credit card's weight. He unpacks the study's origins, revealing the vast range of ingestion estimates that span from 0.1 to 5.5 grams. Woodward critiques media sensationalism around these numbers, discusses the challenges of measuring microplastics accurately, and emphasizes the importance of particle size over mere quantity when assessing health risks.


