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The causes and challenges of low interest rates: insights from basic principles and recent literature

Youchang Wu (Department of Finance, Lundquist College of Business, University of Oregon, Eugene, Oregon, USA)

China Finance Review International

ISSN: 2044-1398

Article publication date: 13 October 2020

Issue publication date: 27 April 2021

366

Abstract

Purpose

What causes the downward trend of real interest rates in major developed economies since the 1980s? What are the challenges of the near-zero interest and inflation rates for monetary policy? What can the policymakers learn from the latest developments in the monetary and interest rate theory? This paper aims to answer these questions by reviewing both basic principles of interest rate determination and recent academic and policy debates.

Design/methodology/approach

The paper critically reviews the explanations for the downward trend of real interest rates in recent decades and monetary policy options in a near-zero interest rate environment.

Findings

The decline of real interest rates is likely an outcome of multiple technological, social and economic factors including diminished productivity growth, changing demographics, elevated tail-risk concerns, time-varying convenience yields of safe assets, increased global demand for safe assets, rising wealth and income inequality, falling relative price of capital, accommodative monetary policies, and changes in industry structure that alter the investment and saving behaviors of the corporate sector. The near-zero interest rate limits the space of central banks' response to economic crises. It also challenges some conventional wisdoms of monetary theory and sparks radically new ideas about monetary policy.

Originality/value

This survey differs from the existing work by taking a broader view of both economics and finance literature. It critically assesses the economic forces driving the global decline of real interest rates through the lens of basic principles and empirical evidence and discusses the merits and limitations of each proposed explanation. The study emphasizes the importance of a better understanding of economic forces driving diverging trends of corporate investment and saving behaviors. It also discusses the implications of the neo-Fisherism and the fiscal theory of price level for monetary policy in a low interest rate environment.

Keywords

Acknowledgements

The author thanks an anonymous referee and Wenfeng Wu (Editor) for valuable comments and suggestions.

Citation

Wu, Y. (2021), "The causes and challenges of low interest rates: insights from basic principles and recent literature", China Finance Review International, Vol. 11 No. 2, pp. 145-169. https://doi.org/10.1108/CFRI-06-2020-0071

Publisher

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Emerald Publishing Limited

Copyright © 2020, Emerald Publishing Limited

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