Top countries of asia for grocery, theater tickets, etc.) and how much to save for potential future use. Why people save is a central question for economists, and has been the center of academic debate. Two of the most important reasons why people save are: 1. To support consumption in retirement years 2. To support consumption by their children (for bequests). The first reason for saving (for retirement) stems from a well-known economic theory called the life-cycle hypothesis, pioneered by Franco MODIGLIANI (1963) and others. Top countries of asia 2016.