The article analyzes income inequality in America over time. It looks at how incomes have changed since World War II, trends in earnings and earnings inequality, and suggested causes for growing inequality. The researchers also discuss international comparisons and the future outlook for inequality. Key findings include rapid income growth from 1947 to 1973, rising inequality from 1973 to 1996, and the impact of factors like trade and technology on income distribution. The study provides insights into the historical context of income inequality and offers perspectives on potential future trends.