The impact of monetary and tax policy on income inequality in Japan

Farhad Taghi Zadeh Hesary, Naoyuki Yoshino, Sayoko Shimizu

    Research output: Contribution to journalArticle

    Abstract

    This paper assesses the effects of the most recent monetary policy behaviour of the Bank of Japan (in particular, zero interest rate policy and negative interest rate policy) and Japanese tax policy on income inequality in this country during the period of 2002Q1 to 2017Q3. The vector error correction model (VECM) that develops in this research shows that increase in money stock (m1) through Quantitative Easing (QE) and Quantitative and Qualitative Easing (QQE) policies of the BOJ significantly increases the income inequality. On the contrary, Japanese tax policy was effective in reducing the income inequality. Variance decomposition results show that increasing of income inequality by monetary policy is larger when comparing to decreasing effects of tax policy on income inequality. Cointegration and VECM results show that monetary policy has both short-run and long-run impacts but for tax policy paper could not find any significant short-run impact on income inequality. In addition, paper found that technological progress only in long-run can reduce the income inequality by increasing the marginal productivity of labour with positive impacts on employment and wages.

    Original languageEnglish
    JournalWorld Economy
    DOIs
    Publication statusPublished - 2019 Jan 1

    Keywords

    • income inequality
    • Japanese economy
    • monetary policy
    • tax policy

    ASJC Scopus subject areas

    • Accounting
    • Finance
    • Economics and Econometrics
    • Political Science and International Relations

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