636. Why Aren’t We Having More Babies?

That’s the question at the heart of a battle between Kalshi and state gambling regulators. As prediction markets boom, there are other questions, too — about insider trading, market manipulation, and whether the public has turned against them. (Part two of a two-part series.) SOU ...  Show more

The promise is that they can beat the experts at predicting inflation, elections, and FDA approvals. But right now, roughly 90 percent of the action is sports. Is this a future we want to bet on? Stephen Dubner speaks with, among others, the C.E.O. of Kalshi. (Part one of a two-p ...  Show more

For a long time, the story about the world’s population was that it was growing too quickly. There were going to be too many humans, not enough resources, and that spelled disaster. But now the script has flipped. Fertility rates have declined dramatically, from about five chi ...

Overpopulation has been our biggest fear for decades, but now, shrinking populations are the real crisis. From aging societies to dwindling birth rates, countries worldwide are grappling with the risks of a declining population and struggling with radical measures to reverse it. ...  Show more

Birth rates are falling all over the world, and some people are freaking out, saying this could tank our society — and even spell the end of humans. In the U.S., so-called pronatalism is having a major moment, with lots of people making the case for more babies — President Trump ...  Show more

Birth rates in many countries, including China, Japan, Italy and the UK have dropped below replacement level. Clare McNeil asks if we should be concerned about this, and the burden it will place on taxpayers and the young, or welcome it as a good thing for climate change, where s ...  Show more