It's the world's biggest furniture retailer, it's the world's third largest user of wood, it has over 300 stores in 38 countries and chalks up £18bn in sales a year.

Anders Dahlvig was chief executive of Ikea for ten years until 2009.

He's written a book about his time there and his philosophy, The Ikea Edge, which gives instructions to assemble both a good business and a better society

Mr Dahlvig told the Today programme's Simon Jack about the philosophy at the heart of the company.

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