This is a passenger announcement. You can now book your train on Uber and get 10% back in credits to spend on Uber eats.

So you can order your own fries instead of eating everyone else's.

Trains, now on Uber. T finance and economics editor at The Economist.

Coming up, how billions of people's lives have been transformed by access on demand to whatever entertainment they want.

Facebook is winning, YouTube is winning, Disney is winning.

If you're not a big social platform, you have to have a big brand.

And Nick Bloom from Stanford University outlines the findings of his report into the gap in salaries

paid by big and small companies.

There's a great study that looks at Italian textile weavers in the 1880s, so about 140 years ago,

and shows that even back then large firms paid about 50% more than small firms.

But to start, a quiz question, which big central bank is in the throes of an interest

rate tightening cycle?

America's Federal Reserve is a safe bet as an answer of course, but as of last week it was joined

by the People's Bank of China.

So far the Chinese tightening has garnered much less attention and that's understandable the moves have been smaller

and more tentative.

But they still mark an important shift in China's management of the economy.

I'm joined now from Shanghai by our Asia Economics editor Simon Rubinovich. So Simon as I understand

it we're seeing what you might call new developments in Chinese monetary policy. Could you

describe what exactly they are?

Sure, so over the past couple of weeks the Chinese Central Bank, the PBOC, has raised a series

of money market rates, of short-term, effectively interest rates. It all

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