Since the latter half of 1990s, it has been discussed that many developing countries are going to face serious population aging problem while these economies are still underdeveloped and not adequately prepared against aging yet in terms of institutional reform such as social security. As the...

One of the key factors behind the growth of global trade in recent decades is an increase in intermediate input as a result of the development of vertical production networks (Feensta, 1998). Manufacturing goods are no longer produced in a single country. Production processes are subdivided into...