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Investment Puzzle: Deeper Roots

Author

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  • Kim , Sujin

    (Korea Institute for International Economic Policy)

Abstract

Even at near-zero interest rates for a prolonged period since the financial crisis, why has business investment in advanced economies remained persistently below its pre-crisis level? This paper investigates empirically the roots of this investment puzzle from the global megatrend perspective. The empirical model of this study augmented the uncertainty-finance accelerator investment model with megatrend variables of a transition to service industry, ageing population and a rise in income inequality. The main estimation results show that they have affected negatively the business investment over the period 1980-2014. The shift-to-service driven investment fall is the price-dominant effect during the transition, which is not necessarily pessimistic news, while the suppressing effects from ageing and a rise in income inequality require adequate policy reactions. In addition, the analysis finds significant negative spillover effects of trade partners’ ageing and income inequality on a country’s own private investment. Based on the empirical results, I expect that the G20’s efforts in inclusiveness with structural reforms will stimulate global business investment.

Suggested Citation

  • Kim , Sujin, 2017. "Investment Puzzle: Deeper Roots," Working Papers 17-2, Korea Institute for International Economic Policy.
    • Handle: RePEc:ris:kiepwp:2017_002
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    More about this item

    Keywords

    Investment; Megatrends; Aggregate Demand; Uncertainty; G20; Inclusiveness;
    All these keywords.

    JEL classification:

    • E20 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - General (includes Measurement and Data)
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics
    • F42 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - International Policy Coordination and Transmission

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