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NIWA Hidekazu
EconomicsAssociate Professor
Economics

Researcher information

■ Degree
  • Ph.D (Economics), Hitotsubashi University
    Mar. 2022
■ Career
  • Apr. 2025 - Present, Saitama University
  • Apr. 2022 - Mar. 2025, Osaka University, Osaka School of International Public Policy Department of Comparative Public Policy
  • Apr. 2023 - Mar. 2024, Tokyo University of Foreign Studies, School of International and Area Studies
  • Apr. 2022 - Mar. 2023, Hosei University, Institute of Comparative Economic Studies
  • Apr. 2021 - Sep. 2021, Surugadai University
■ Educational Background
  • Apr. 2017 - Mar. 2022, Hitotsubashi University, Graduate School of Economics
  • Apr. 2015 - Mar. 2017, Hitotsubashi University, Graduate School of Economics
  • Apr. 2011 - Mar. 2015, Hitotsubashi University, Faculty of Economics
■ Award
  • Dec. 2023, 2023年度大銀協フォーラム研究助成「特別賞」

Performance information

■ Paper
  • 国債のデフォルトと物価安定の関係性               
    Number:第29号, Feb. 2025
    Japanese
  • A fiscal theory of central bank’s solvency: Perils of the quantitative and qualitative monetary easing               
    Hidekazu Niwa
    Japan and The World Economy, Volume:70, First page:101252, Apr. 2024, [Reviewed]
    Elsevier BV, English, Scientific journal
    DOI:https://doi.org/10.1016/j.japwor.2024.101252
    DOI ID:10.1016/j.japwor.2024.101252, ISSN:0922-1425
  • Should the Fiscal Authority Avoid Implementation Lag?
    Masataka Eguchi; Hidekazu Niwa; Takayuki Tsuruga
    Oxford Bulletin of Economics and Statistics, Mar. 2024, [Reviewed]
    Abstract

    Implementation lags are a concern of policymakers as they may reduce the efficacy of fiscal policy. Using a standard New Keynesian model with an effective lower bound on the nominal interest rate, we compare the impacts of fiscal stimulus on output across various lengths of implementation lag. We show that despite concerns among policymakers, implementation lags may enhance the efficacy of government purchases on output when the economy is caught in a liquidity trap.
    Wiley, Scientific journal
    DOI:https://doi.org/10.1111/obes.12604
    DOI ID:10.1111/obes.12604, ISSN:0305-9049, eISSN:1468-0084
  • Exiting from quantitative easing in an era of large government debt: Inflation or default?               
    Hidekazu Niwa
    Economics Letters, Volume:234, First page:111471, Jan. 2024, [Reviewed]
    Elsevier BV, Scientific journal
    DOI:https://doi.org/10.1016/j.econlet.2023.111471
    DOI ID:10.1016/j.econlet.2023.111471, ISSN:0165-1765
  • An Expansionary Effect of QE Not via the Signaling Channel               
    Hidekazu Niwa
    Economics Bulletin, Jun. 2023, [Reviewed]
    English, Scientific journal
  • インフラ投資のマクロ経済効果 — 変時VARモデルを用いた分析               
    森田裕史; 二羽秀和
    Mar. 2023, [Invited]
  • 物価水準の財政理論の概説               
    二羽秀和
    Mar. 2023, [Invited]
    Japanese, In book
  • Review of the Fiscal Theory of the Price Level               
    Hidekazu Niwa
    Apr. 2022
    English
  • 財政の持続可能性への信認が失われた下での量的・質的金融緩和政策からの出口               
    二羽秀和
    Number:第45号, Mar. 2022, [Reviewed]
    Japanese
  • An Effect of Population Aging on the Effectiveness of Fiscal Policy: Analysis using a panel VAR model               
    Hiroshi Morita; Hidekazu Niwa
    Public Policy Review, Volume:17(3), First page:1, Last page:20, Nov. 2021, [Invited]
  • 人口高齢化が財政政策の有効性に与える影響-パネルVARモデルによる分析ー               
    森田裕史; 二羽秀和
    Volume:145, First page:32, Last page:48, Mar. 2021, [Invited]
■ MISC
  • 長期国債買い入れにはどのような効果があるのか               
    二羽秀和
    Number:7131号, First page:80, Last page:81, Aug. 2023, [Invited]
    Japanese, Introduction other
■ Lectures, oral presentations, etc.
  • Optimal Monetary Policy when the Fiscal Authority is Impatient: The Role of Government Debt Maturity               
    二羽秀和
    May 2024
    Japanese
  • Optimal Monetary Policy when the Fiscal Authority is Impatient: The Role of Government Debt Maturity               
    二羽秀和
    May 2024
    Japanese, Oral presentation
  • Optimal Monetary Policy When a Government is Impatient: Role of Debt Maturity               
    二羽秀和
    Dec. 2023
    Japanese
  • Optimal Monetary Policy When a Government is Impatient: Role of Debt Maturity               
    二羽秀和
    Nov. 2023, [Invited]
    Japanese
  • Fragmented Fiscal Policymaking, Inflation, and Long-Term Interest Rates: Policy Game in a New Keynesian Economy               
    Oct. 2023, [Invited]
    Japanese
  • Fragmented Fiscal Policymaking, Inflation, and Long-Term Interest Rates: Policy Game in a New Keynesian Economy               
    二羽秀和
    Aug. 2023
    Japanese, Invited oral presentation
  • Should the fiscal authority avoid implementation lag?               
    江口允崇; 二羽秀和; 敦賀貴之
    May 2023
    May 2023 - May 2023
  • A Fiscal Theory of Central Bank’s Solvency: Perils of the Quantitative and Qualitative Monetary Easing               
    二羽秀和
    May 2023
    May 2023 - May 2023, Japanese, Oral presentation
  • A Fiscal Theory of Central Bank’s Solvency: Perils of the Quantitative and Qualitative Monetary Easing               
    二羽秀和
    May 2023
    May 2023 - May 2023, Japanese, Oral presentation
  • 非リカーディアンレジームにおける量的緩和政策:「量的・質的金融緩和政策」の効果に関する分析               
    二羽秀和
    Jun. 2019
    Jun. 2019 - Jun. 2019, Poster presentation
  • A Signaling Effect of Qualitative Easing without Fiscal Support               
    二羽秀和
    Mar. 2018
  • 財政支配の下での地方政府の安定化政策が国債価格へ与える影響の分析               
    二羽秀和
    Sep. 2017
    Sep. 2017, Japanese, Poster presentation
■ Affiliated academic society
  • Oct. 2023 - Present
  • Nov. 2022 - Present
  • Apr. 2017 - Present
■ Research projects
  • 財政当局がimpatientであるときの最適金融政策               
    Apr. 2025 - Mar. 2030
    Principal investigator
    Grant number:25K16599
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