What many researchers have come to realize is that once a person reaches a certain level of affluence, his sense of well - being is independent of how many material goods are available to him.
এইদৰে অবাধ গতিত ধন - সম্পত্তিৰ অধিকাৰীয়ে বহুতকে অনিশ্চিত কৰি তুলিছে ।