With the data on the top incomes collected from different sources, we combine the samples of the top incomes with a household survey to investigate changes in the income distribution with and without the top incomes. The Gini coefficient of income inequality using household survey data is 0.464...

The progress in information and communication technology since the 1970s has expanded Internet use and promoted economic development worldwide. Although empirical studies have revealed that social norms change with economic and social development, empirical evidence regarding the association...