How to Make the World a Lot More Productive

There are 167 million kids in primary school age in the low and low middle income countries. If we managed to get 90%, either one of these solutions I just described, it would cost about $9.8 billion a year. It would generate benefits in terms of these kids being much more productive of about $600 billion a year so a benefit cost ratio of 65%. And that's some of the answers to your question, Neil. There are some ways we can make the world a lot more productive and think ways we know work.