Before revision:  Simulations of asset distribution and Gini coefficients showed that suppressing regional inequality requires, first, increasing the intra-regional economic circulation rate, and , second, narrowing down the exchange range (inter-regional economic zone).
After revision:  Simulations of asset distribution and Gini coefficients showed that suppressing regional inequality requires, first, increasing the intra-regional economic circulation rate, and secondly the narrowing down of the exchange range (inter-regional economic zone).