Causes of Income Inequality in the United States
There are many potential causes of income inequality in the United States. They include market factors, tax and transfer policies, and other causes. Market Factors: Globalization - Low skilled American workers have been losing ground in the face of competition from low-wage workers in Asia and other "emerging" economies. While economists who have studied globalization agree imports have had an effect, the timing of import growth does not match the growth of income inequality. Superstar Hypothesis - Modern technologies of communication often turn competition into a tournament in which the winner is richly rewarded, while the runners-up get far less than in the past. Education - Income differences between the varying levels of educational attainment (usually measured by the highest degree of education an individual has completed) have increased. Skill-Biased Technological Change - The rapid pace of progress in information technology has increased the demand for the highly