Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/163206
Authors: 
Aizenman, Joshua
Cheung, Yin-Wong
Ito, Hiro
Year of Publication: 
2017
Series/Report no.: 
ADBI Working Paper Series 715
Abstract: 
Conventional logic suggests that lowering the policy interest rate will stimulate consumption and investment while discouraging people from saving, but low interest rates may also prompt people to increase their saving to compensate for the low rate of return. Using data on 135 countries from 1995 to 2014, this paper shows that a low-interest rate environment can yield different effects on private saving across country groups under different economic environments. A well-developed financial market, an aging population, and output volatility can all contribute towards turning the relationship between interest rates and saving negative. Among developing countries, when the nominal interest rate is not too low, we detect the substitution effect of the real interest rate on private saving. However, among industrial and emerging economies, the substitution effect is detected only when the nominal interest rate is lower than 2.5%. In contrast, emerging-market Asian countries are found to have the income effect when the nominal interest rate is below 2.5%. When we examine the interactive effects between the real interest rate and the variables for economic conditions and policies, we find that the real interest rate has a negative impact - i.e., income effect - on private saving if any output volatility, old dependency, or financial development is above a certain threshold. Further, when the real interest rate is below 1.5%, greater output volatility would lead to higher private saving in developing countries.
Subjects: 
Economics
JEL: 
F3
F31
F32
F36
Creative Commons License: 
https://creativecommons.org/licenses/by-nc-nd/3.0/igo/
Document Type: 
Working Paper

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