When people are less equal, there’s more likelihood of social and political unrest; that’s the view of Harvard University Professor and Nobel Laureate, Eric Maskin.

He says that while it was widely expected that globalization would reduce inequality, income disparities between skilled and unskilled workers has only increased in recent years.

The International Monetary Fund’s Bruce Edwards has been talking to Professor Maskin.

Bruce Edwards began by asking him why we should be worried about income inequality