Hello, I'm Helen Joyce, the finance editor of the Economist.

Welcome to Money Talks.

Coming up on the program, are advertising agency giants doomed?

They definitely need to change what they are.

And I think that's actually the long-term

future for the advertising giants.

Is there they'll be a very different companies in a decade.

And the economics of Vibraneum in Marvel's Black Panther movie.

What's interesting about Wakanda is that it's not only the mining of the resource that it dominates,

it's every application of the resource as well.

First, the Americans claim that the Chinese are stealing America's intellectual property.

Mr Trump seems to present to the Chinese with a choice.

Either they negotiate a deal or he hits them with tariffs. Any deal would involve

correcting what he sees as a big problem, the trade balance between America and China.

A lot more flows from China to America than the other way around.

But we have a trade deficit depending on the way you calculate of

five hundred and four billion dollars now some people would say it's really

three hundred and seventy five billion dollars many different ways of looking at it, but anyway you look at it.

It is the largest deficit of any country in the history of our world. It's out of control.

Samaya Kains are economics correspondent is here with me.

Samaya, what do we know about what Mr Trump is planning?

Last week Mr Trump announced these three punitive measures that he plans to hit China with.

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