The Urban Household Income and Expenditure Surveys, conducted by the National Bureau of Statistics, are extensively explored in income distribution studies. However, we find that a survey coverage expansion that includes migrant residents in the urban sample may induce serious data inconsistency...

The Urban Household Income and Expenditure Surveys, conducted by National Bureau of Statistics, are extensively explored in income distribution studies. However, we find that a survey coverage expansion that includes migrant residents in the urban sample may induce serious data inconsistency...