Remittances sent by migrant workers to developing countries have soared in the past two decades. According to the World Development Indicators, workers’ remittances to developing countries were just US$47 billion in 1980 (in constant 2011 dollars). After barely rising by 1990 ($49 billion), they doubled by 2000 ($102 billion), and from there, tripled by 2010 ($321 billion).
The discount rate used by individuals to trade off utility in the future against utility today is a fundamental parameter of decision theory. It is typically elicited in surveys by asking individuals to make choices between receiving an amount today, and a different amount at some point in the future. There are lots of key design issues involved in doing this (e.g.