29 A more pessimistic view is expressed by the historian Walter Scheidel in his recent book “The great Leveler:  violence and the history of inequality from the Stone Age to the Twenty-first century”, The Princeton Economic History of the World, Princeton UP, (2017).
Finally, only yesterday, we had a special address at the Bank from my good friend Dr Paul Acquah, Governor of the Central Bank of Ghana who covered the raging debate on the performance of the IMF over the past decades.