First, since regional economies show large differences, for example in terms of economic development status, population aging and the degree of financial market development, the wide diversity within the region makes for possible complementary financial transactions within the region.
For instance, if an aged country with a high degree of capital accumulation and a low growth rate invests in a country with a younger demographic structure and showing relatively strong growth, benefits accrue to both parties, 6 such as improving profitability and the raising of required funds.