Tackling income inequality should be a priority for countries across the globe, says a professor of economics and public policy.

The gap between rich and poor is at its highest level in 30 years, according to the Organization for Economic Development (OECD).

Justin Wolfer, a Senior Fellow at the Peterson Institute for International Economics believes that good policies can help bridge the income gap without blowing out public debit.

He explains how to Jocelyne Franck of the International Monetary Fund (IMF).

Duration: 4’59’’