What Is GDP? : Planet Money How do you measure the whole economy in one number? In the first of a series of videos we're doing with Slate, Adam Davidson goes shopping with economist Simon Johnson to find out the answer.
NPR logo Video: What Is GDP?

Video: What Is GDP?

When people talk about "economic growth" they're usually talking about Gross Domestic Product, better known as GDP.

But what is GDP? How do you measure the whole economy in one number?

To find out the answer, Adam Davidson goes to the grocery store with economist Simon Johnson. This is the first of a series of videos we're doing with Slate.