and, in fact, one of the authors not included but who's worth following is brad delong who's cited in the book. he's not interviewed but he's cited. and, in fact, delong pointed out some benchmarks of how income per capita has risen over time. if you imagine that the growth rate hasn't just been a flat sort of 2% per year but it's been accelerating say 1800, that boils down to abo percentage of growth rate in a decade saying at 70 years we'll be 3% there. and a decade after 3.1%. what are the implications on that? the implications to is this is that we're not going to have a world where the development gap that's discussed between, say, haiti, and the united states is filled in but the poor cousins won't converged. that was something i looked at since my dissertation in economics. i thought i would be able to find evidence that there was indirect convergence over the long term. and instead what you see is the wealthy country, especially the lead economy diverging, getting wealthier and wealthier and you look at places like haiti and they're stagnant. i normally agree with almost every