Hello and welcome to the Intelligence from the Economist.

Today from London, I'm your host, Jason Palmer.

Every weekday we provide a fresh perspective on the events shaping your world.

For decades, economists identified a clear trend when it comes to fertility.

The richer a country got, the fewer children it had.

Our correspondent digs deep in the data to see why that simple relation isn't quite so iron-clad these days.

And one factor behind the recent success of Ukrainian forces in the east of the country is some new weaponry.

Well, not so new. High speed anti-radiation missiles actually go back to the Vietnam War.

But they still strike fear in radar operator's hearts.

First up, though.

It isn't often that citizens get to decide on a brand new constitution.

But earlier this month, the people of Chile had the chance to do just that.

Wide spread protests in 2019 over inequality, poverty and threadbare public services led to a vote in 2020 on whether to replace the old constitution.

For many, it was an easy answer. That unpopular document dates back to the rule of the country's former dictator, Agustopino Che.

But when a new draft was put to a vote, it failed miserably. And there were celebrations in the streets.

Where did it all go wrong? And where does it go from here?

So this was a once in a generation opportunity to write a new constitution in one of Latin America's most successful and stable economies.

Anilakis is the economist's Chile correspondent.

That process came about after massive protests against inequality in 2019.

And since then, for the past three years, it seemed that Chile was lurching to the left.

But on September 4th, when Chileans had to vote in a referendum on whether to approve this new constitution, which was very maximalist,

and which would have aggressively expanded the role of government in public life, they flat out rejected it.

...