The merger of populations expands the comparison space of incomes. As a result, measures of the income-based social stress and of the income inequality of the constituent populations need to be replaced by new measures. To this end, we develop a procedure for calculating the aggregate social...

This paper explores the following chain of conjectures: rising use of the internet, the widespread access to global information, and intensified communication between regions and countries brought about, for example, by intensified trade links bring about expansion of people's social space and...