saadia: some of it is about outcome.onomies it will be critical to look at their a highest andre lowest earners. economies 40% of most -- the top 10% are earning three times what the bottom 40% are earning. that is the g20 average. that is another aspect that they will have to look at. what we try to do with the social mobility look is try to understand what is happening in terms of the factors that lead to inequality. it is almost a measure of the input rather than the measure of what the outcomes are. francine: how much work have you done on redistribution of wealth? is that the right way to do it? saadia: this is where it becomes an party requip -- a question of redistribution. plus it is the quality that matters, so it is not simply about taxation on its own is not going to solve the problem. it is going to have to be a combination of improving taxation. it is going to have to be new sources of taxation that have to be -- it does not fall purely on the middle class. at the same time, that taxation will have to be rei

number one saadia: -- the netings states is 27.ntries like brazil and india, unsurprised are at the beach. -- at the bottom. it is not just developing economies with this issues, it is large, developed markets like the u.k. france and the united states. david: do you see more governments -- francine: do you see more governments taking this on board? gdp are they looking at these indices to make an impact? saadia: this is going to be the decade in which governments have to take you seriously. -- take this seriously. ,he elevator keeps moving because if not, we cannot lift everyone. second is the industry transition that needs to occur we want a greener more sustainable economy. the third aspect is technological change. but none of this will really be possible if people don't have a sense of optimism. the sense that they will be able to give to their future generations a better life and better earning opportunities than they have themselves. so this agenda around social mobility will be critical. up to thebut is it government or priv