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2018 Fiscal Year Final Research Report

Construction and application of robust M test under non-regularity conditions

Research Project

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Project/Area Number 26380278
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Economic statistics
Research InstitutionKansai University

Principal Investigator

Katayama Naoya  関西大学, 経済学部, 教授 (80452720)

Project Period (FY) 2014-04-01 – 2019-03-31
Keywordsロバストネス / 単位根検定 / 合理的バブル / カバン検定 / SVARモデル / 外れ値
Outline of Final Research Achievements

(1) I proposed a robust portmanteau test for a linear time series model in the sense of the assumption of the error term by KVB approach. (2) I examined the recent easy economy policy by bank of Japan by using SVAR models. (3) I found that the rational bubble model yield a (explosive) unit root model with additive outliers (4) Based on (3) I investigated whether unit root tests is robust to additive outliers.

Free Research Field

計量経済学

Academic Significance and Societal Importance of the Research Achievements

計量経済学モデルでは、しばしば様々な正則条件の下で、理論構築と、実証分析がなされている。しかしながら、実際の経済では、これらが成立しないケースがしばしばあることが指摘されている。本研究では、それらの一部ではあるが、これら非正則な状況下でも適用可能な手法の提案を行った。

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Published: 2020-03-30  

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