Economic Research on Income Inequality and Its Impact on U.S. Growth

Economic Research on Income Inequality and Its Impact on U.S. Growth The passage provides macroeconomic analysis of income composition and inequality trends without naming specific individuals, transactions, or actionable investigative leads. It lacks novel or sensitive allegations involving powerful actors. Key insights: Labor income share fell from ~75% to ~66% of market income (1979‑2007).; Capital gains share rose from ~4% to ~8% of market income in the same period.; Top 5% of earners captured >80% of capital gains, with most of that going to the top 1%.