Moving to the next question prevents changes to this answer. Question 19 Economist Thomas Piketty has written recently about which one of the following: 1. Failure of the SEC to oversee the regulation of the financial markets 2. The impact of technology on economic productivity Over regulation of America's industries by the government 4. A study of the unequal distribution of wealth in the United States and around the world. 3. A Moving to the next question prevents changes to this