As Middle-incomes are comprised of a wide range of people and are observed to be spatially the most mixed, will it be interesting and more informative to decompose Middle-incomes into different groups, say by occupation or by more levels of income? Also, regarding to the generality of findings in this paper, is it possible that different period of city segregation process serves as an distracting factor? Moreover, is it possible that people simply inherit some real estate assets instead of selecting a neighborhood by themselves?
As Middle-incomes are comprised of a wide range of people and are observed to be spatially the most mixed, will it be interesting and more informative to decompose Middle-incomes into different groups, say by occupation or by more levels of income? Also, regarding to the generality of findings in this paper, is it possible that different period of city segregation process serves as an distracting factor? Moreover, is it possible that people simply inherit some real estate assets instead of selecting a neighborhood by themselves?