Paul - you assert that the economy is less controlled by the biggest companies than it was 50 years ago. Is this supported by data? I would be curious to see wh

Paul - you assert that the economy is less controlled by the biggest companies than it was 50 years ago. Is this supported by data? I would be curious to see what % of total GDP is booked by the top 1% of companies in 1950 and in 2000.