We're diving into Macroeconomics with a look at Gross Domestic Product and how it counts everything in the economy - from output, to spending and the income earned. And Betsey Stevenson and Justin Wolfers also show you how even the great yardstick that is GDP ignores some vital elements of society.

Co-host: Nastaran Tavakoli-Far. Editor: Alastair Elphick. A Modulated Media production.

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