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Could Korea face a Japan-like “Lost Decade” in the coming years?

This article explores the possibility of Korea experiencing a similar economic stagnation as Japan did in the 1990s, known as the "Lost Decade". It compares the economic fundamentals and growth rates of both countries using the Solow model and examines factors such as demographics, immigration, and technological innovation.

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Could Korea face a Japan-like “Lost Decade” in the coming years?

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  1. Could Korea face a Japan-like “Lost Decade” in the coming years? Jacob Loree, Scott Stroughan, Yarui Wang, Yuxi Liu

  2. Introduction • From the 1950’s to the 1980’s Japan was considered an “economic miracle” • Experienced double digit economic growth year-by-year • Became the second largest economy in a very short period of time

  3. Introduction • However, in the 1990’s, the Japanese economy stagnated and began what is known as the “Lost Decade” • Very little economic growth per year • Some negative growth years • This has turned into the “Lost Double Decade”

  4. Reasons • Fundamentally our view is that sustainable high level growth in Japan ended after achieving some rough level of convergence, but was extended through credit and macro policy. Eventually this bubble burst leaving Japan with a financial crisis, which led to a “Lost Decade”.

  5. Reasons • The reason Japan took so long to recover from its crisis and stagnated can be explained by many different theories. • -asset bubbles and zombie banks • -appreciation of its currency • - a tightening of monetary policy • -or more long-term deficiencies such as technology or demographics.

  6. Korea • Korea is one of the “Asian Tigers” of economic growth • One of the fastest growing economies from the 1970’s onwards • One of the largest importers/exporters in the world

  7. Korea • However, there is growing concern that Korea could face a similar stagnation as Japan in the 1990’s • Asset bubbles, banking issues, etc. • To investigate the similarities and differences in these countries, we can look at economic modelling.

  8. Making Comparisons • We can compare Solow model of both countries to better understand their economic fundamentals and determine their projected growth rates. • We can also compare the gap between expected and actual growth rates. • Check to see if Korea has attained convergence.

  9. Solow Model • Y=A+K^α+L^β • Focuses on savings, population growth, and capital per worker • Steady state equilibrium • Model forecasts a “convergence” among all countries

  10. Solow Model • The most important factor of production, however, is technological innovation • “A” • This shifts the Solow curve upwards, allowing the steady state to be further out • Does present-day Korea and 1990’s-era Japan have significantly different technological innovation levels?

  11. Solow Model • However, how “A” is defined differs from economist to economist • Some look at technology as a whole, while some use it as a “catch-all” of everything not contained by K and L • Solow Residual

  12. Capital and Labour • The two countries have relatively similar capital and labour growth rates. • Capital growth rates are extremely similar, with trends moving in the same direction • Labour growth rates differ slightly more, but the coefficient is so small, that the graph overstates the differences

  13. Differences in Japan and Korea’s Solow Model • Japan (1980-1990) • logGDP=5.6734+ 0.1856K+ -0.1684L • Korea(2000-2010) • logGDP=6.1128+ 0.2213K+ -0.0329L • Very similar Solow models

  14. Solow Model • According to the Solow model, we would expect Japan’s GDP to grow by 0.18% per 1% increase in capital, and decrease by 0.16% per 1% increase in labour • Did this actually come true with the data we now have?

  15. Japan Results • From 1990-2000: • GDP grew a total of 7% • Capital grew a total of 0.61% • Labour force grew a total of 5.84% • According to Solow, GDP should have contracted by 0.82%

  16. Differences between Japan and Korea • Obvious difference between theory and reality when looking at K and L • While K and L may be similar for the two countries, the more important question is how do their demographics, political economy, and culture match up? • These all are a part of “A” and help determine total output of both countries

  17. Demographics

  18. Demographics • Fertility rates have converged over the past few decades • Similar to most developed countries • The biggest difference to the two countries is not domestic births, but their views towards immigration

  19. Immigration

  20. Immigration • There is a much larger number of Korean expatriates than Japanese expatriates in the world • Larger number of people that would be more willing to move to Korea, than people more willing to move to Japan • Korea also has a large untapped “potential” labour force in North Korea”

  21. Technology • Japan and Korea are very different in how they deal with technological innovation • Japan, almost exclusively, imports new technology from the United States • Korea, however, has started to shift towards producing in “high-tech” industries, to avoid reliance from imports

  22. Technology

  23. Market • Japan: “domestic market first”-market their product in the domestic market(economicgrowthdependonlargeandsustaineddomesticdemand.) • Korea:“export first” -market their product in overseas market than in domestic market.(Accumulated capital byforeignloanandfinancialaids.)

  24. Conclusion • Koreawon’tfacethe“lostdecade”likeJapan. • Capital and Labour-relatively similar • Demographics-immigrations(Japan has a stronger anti-immigrant bias) • Technology-Japan importsfromUS-KoreaavoidtherelianceonUS • Market-Japan “domestic market first”-Korea “export first”

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