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Japan’s aging and shrinking population could lower the natural rate of interest and, together with low inflation expectations, challenge the Bank of Japan’s efforts to reflate the economy. This paper uses a semi-structural model to estimate the impact of demographics on the natural rate in Japan. We find that demographic change has a significantly negative impact on the natural rate by lowering trend potential growth. We also find that the negative impact has been increasing over time amid stronger demographic headwinds. These findings highlight the importance of boosting potential growth to offset the negative demographic impact and lift the natural rate in Japan.
Is Japan’s aging and, more recently, declining population hampering growth and reflation efforts? Exploiting demographic and economic variation in prefectural data between 1990 and 2007, we find that aging of the working age population has had a significant negative impact on total factor productivity. Moreover, prefectures that aged at a faster pace experienced lower overall inflation, while prefectures with higher population growth experienced higher inflation. The results give strong support to the notion that demographic headwinds can have a non-trivial impact on total factor productivity and deflationary pressures.
This original and panoramic book proposes that the underlying forces of demography and globalisation will shortly reverse three multi-decade global trends – it will raise inflation and interest rates, but lead to a pullback in inequality. “Whatever the future holds”, the authors argue, “it will be nothing like the past”. Deflationary headwinds over the last three decades have been primarily due to an enormous surge in the world’s available labour supply, owing to very favourable demographic trends and the entry of China and Eastern Europe into the world’s trading system. This book demonstrates how these demographic trends are on the point of reversing sharply, coinciding with a retreat from globalisation. The result? Ageing can be expected to raise inflation and interest rates, bringing a slew of problems for an over-indebted world economy, but is also anticipated to increase the share of labour, so that inequality falls. Covering many social and political factors, as well as those that are more purely macroeconomic, the authors address topics including ageing, dementia, inequality, populism, retirement and debt finance, among others. This book will be of interest and understandable to anyone with an interest on where the world’s economy may be going.

Japan

International Monetary Fund. Asia and Pacific Dept

Published: 2018-11-28

Total Pages: 93


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The rapid aging and shrinking of Japan’s population will dominate economic policy making in coming decades—impelling a fresh look at the objectives and tools of Abenomics. Six years of Abenomics have yielded some important results, but achieving sustained high growth and durable reflation, while also tackling debt sustainability and a shifting global economic landscape, will require strengthened policies.
Demographic developments have been regarded as one important cause of the long-term movement in global interest rates. This paper provides empirical evidence of the relationship between demographics and interest rates over a wide sample of advanced and emerging market economies. It also finds that capital account openness limits the direct sensitivity of a country’s interest rates to its own demographics. The results suggest that future demographic developments will continue to apply downward pressure on the interest rates in Asia which foresees a rapid aging.
We develop a heterogeneous agent, overlapping generations model with nonhomothetic preferences that nests several explanations for the decline in the natural rate of interest (r∗) suggested in the literature: demographic change, a slowdown in productivity growth, a rise in income inequality, and public policy. The model can account for a 2.2 percentage point (pp) decline in r∗ between 1975 and 2015, which is within the range of empirical estimates. Rising income inequality is an important driver (-0.70 pp), and together with demographic change (-0.71 pp) and the slowdown in productivity growth (-1.0 pp) explains most of the decline. Growing public debt is the major counteracting force (+0.31 pp). Permanent income inequality is of greater importance than inequality due to uninsurable income risk, and matching the degree of nonhomotheticity in consumption and savings behavior to empirical estimates is essential for this result. We predict that r∗ will reach a low of 0.38% by 2030, after which a slow reversal will begin. The natural rate will stabilize at 1% in the long run, a low level when compared with the postwar path of r∗ implied by the model. This remains true even if we take into account soaring public debt levels due to the COVID-19 pandemic. Policy can have considerable impact on the level of r∗ through the tax and transfer system.
There is long-standing debate on how population growth affects national economies. A new report from Population Matters examines the history of this debate and synthesizes current research on the topic. The authors, led by Harvard economist David Bloom, conclude that population age structure, more than size or growth per se, affects economic development, and that reducing high fertility can create opportunities for economic growth if the right kinds of educational, health, and labor-market policies are in place. The report also examines specific regions of the world and how their differing policy environments have affected the relationship between population change and economic development.
Demographic developments have been regarded as one important cause of the long-term movement in global interest rates. This paper provides empirical evidence of the relationship between demographics and interest rates over a wide sample of advanced and emerging market economies. It also finds that capital account openness limits the direct sensitivity of a country’s interest rates to its own demographics. The results suggest that future demographic developments will continue to apply downward pressure on the interest rates in Asia which foresees a rapid aging.
Recent studies show that almost all industrial countries have experienced dramatic decreases in both fertility and mortality rates. This situation has led to aging societies with economies that suffer from both a decline in the working population and a rise in fiscal deficits linked to increased government spending. East Asia exemplifies these trends, and this volume offers an in-depth look at how long-term demographic transitions have taken shape there and how they have affected the economy in the region. The Economic Consequences of Demographic Change in East Asia assembles a group of experts to explore such topics as comparative demographic change, population aging, the rising cost of health care, and specific policy concerns in individual countries. The volume provides an overview of economic growth in East Asia as well as more specific studies on Japan, Korea, China, and Hong Kong. Offering important insights into the causes and consequences of this transition, this book will benefit students, researchers, and policy makers focused on East Asia as well as anyone concerned with similar trends elsewhere in the world.