The Indicator from Planet Money - Inside the growing industry to defend schools from mass shootings

From drones to body armor to bulletproof whiteboards, companies are offering schools a multitude of products to try to deter or protect against the next school shooting. But does any of this stuff work? On today’s show, a look inside the school shooting industry. What's for sale and the psychology behind the growing industry.

Related episodes:  
Why are so many public schools closing?  

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Cato Podcast - Protecting Immigration Enforcement Officers and the Constitution

According to recent government data, immigration enforcement has become a much more dangerous job. David Bier and Patrick Eddington discuss the policy tradeoffs driving these numbers, previous administrations' efforts at mitigating mass immigration, and how to craft a more just, effective and safe immigration policy.

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The Indicator from Planet Money - Why do we live in unusually innovative times?

For most of human history, economic growth was, well, pretty bleak. But around the Enlightenment, things started clicking. This year's Nobel Memorial Prize in Economic Sciences went to a trio of researchers whose work focuses on how technological progress led to this sustained economic growth. Today we hear from one of them, Joel Mokyr, about his work on European economic history. 

Related episodes: 
Why are some nations richer? (2024 Economics Nobel) 
A conversation with Nobel laureate Claudia Goldin (2023 Economics Nobel)
When Luddites attack (Update) (Featuring Joel Mokyr) 

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More or Less: Behind the Stats - Are 72% of prison inmates in Switzerland foreign?

In a recent speech to the UN, US president Donald Trump set out some remarkable figures on the proportion of inmates in European prisons who were foreign nationals.

Citing statistics from the Council of Europe, he references Greece, Germany and Austria, as having rates around 50%.

“In Switzerland, beautiful Switzerland,” he said “72% of the people in prisons are from outside of Switzerland.” These numbers are correct, but why are the percentages so high – particularly in Switzerland?

Tim Harford speaks to Professor Marcelo Aebi, a criminologist from the University of Lausanne, who wrote the prisons report for the Council of Europe.

If you’ve seen a number in the news you think we should take a look at, let us know: moreorless@bbc.co.uk

Presenter: Tim Harford Producer: Tom Colls Sound mix: Rod Farquhar Editor: Richard Vadon