They're not authors, but they help you shape your financial story.

They're not an airline, but they connect global businesses across nearly 160 local markets.

They're not interpreters that they listen to and understand their client's needs.

With global expertise and over two centuries of experience, Citi provides tools, insights and

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They're not just any bank, they are city.

Learn more at city.com slash we are city. City.

to Money Talks on Economist Radio. I'm Simon Long, the International Editor of The Economist. Coming up on today's show, MIT Economist David Orter speaks to Money Talks about his career, including his groundbreaking work

on the effect of technology and automation on the American labor market.

I consider myself to be just incredibly fortunate, the luckiest person in the profession.

I don't have a PhD in economics.

My PhD is from the Kenny School and Public Policy.

People have taken my work seriously, despite the fact I came out a bit unwashed.

And as Sweden goes nearly cashless,

will the rest of the world follow suit?

Kenya and Bangladesh have developed a very good system,

like M-PISA, so mobile wallets.

They've done a great deal of digitizing a few of these payments, but typically in emerging markets, cash remains king. But first, Democratic presidential hopeful Elizabeth Warren is known for her strong criticism of Wall Street.

She was one of the politicians who called for tougher regulation following the financial crash in 2008.

Tonight she'll be trying to win over more voters in the second Democratic TV debate.

In the first which took place last month, she criticized an economy that she felt was only looking

after those at the top.

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