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Empirical Study about Equivalence of IFRS, Japanese GAAP, and U.S. GAAP

IFRS、日本GAAP、美国GAAP等效性实证研究

基本信息

批准号：
18530344
负责人：
HAYASHI Kenji
金额：
$ 1.09万
依托单位：
University of Toyama
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
2006
资助国家：
日本
起止时间：
2006 至 2007
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18530344/
关键词：
US GAAP IFRS Reconciliation Euivalence Convergence ADR Vuong Test IAS Ohlsonモデル出来高反応 ECモデル BVモデル

项目摘要

Equivalent nature evaluation of IFRS, Japan GAAP, and U.S. GAAP was tried based on the annual report of the U.S. GAAP reconciler. The precedence research on whether reconciliation to U.S. GAAP is useful for an investor was classified and reviewed in three types. Three correction models which contain frame of U.S. GAAP earnings adjustment differences variable; RCNC [(GAAP earnings adjustment differences/foreign GAAP earnings or IFRS earnings)] which divided the absolute value by the final stock price in the earnings capitalization model, book value model, and residual income valuation models which were used by precedence research were added.Vuong test compared the stock price explanation power of earnings capitalization model of 23 U.S. GAAP reporters (14 Japanese companies are included) and 63 U.S. GAAP reconcilers (5 IFRS application companies, 58 its native country GAAP application companies), the book value model, and residual income model. Although the ranking and of dominance of book value model and earnings capitalization model differed from precedence research, the stock price explanation power of the residual income model was most excellent. The explanation power of the U.S. GAAP repoters endured it of the U.S. GAAP reconcilers. According to Vuong test, the contents of an increment information of the U.S. GAAP earnings adjustment difference variable were not checked, but the significant relation was found out between the U.S. GAAP earnings adjustment difference variable and the stock price(5% level). The result of research about these was announced in Accounting, Vol.172, No.2 (August, 2007).

以美国GAAP调节器年度报告为基础，尝试了IFRS、日本GAAP、美国GAAP的等效性评价。关于符合美国公认会计准则对投资者是否有用的先例研究分为三种类型并进行了审查。包含美国公认会计原则（U.S. GAAP）盈利调整差异变量框架的三个修正模型； RCNC[（GAAP收益调整差异/外国GAAP收益或IFRS收益）]，将先例研究中使用的收益资本化模型、账面价值模型和剩余收益估值模型中的绝对值除以最终股价。Vuong检验比较了23家美国GAAP报告者（其中包括14家日本公司）和63家美国GAAP调节者（5家IFRS应用）的收益资本化模型的股价解释力公司，58 家其本国 GAAP 应用公司）、账面价值模型和剩余收益模型。尽管账面价值模型和盈余资本化模型的排名和主导地位与先行研究存在差异，但剩余收益模型的股价解释力最为出色。美国公认会计原则报告者的解释力比美国公认会计原则调节者的解释力还要强。根据Vuong检验，未检查美国GAAP盈利调整差异变量增量信息的内容，但发现美国GAAP盈利调整差异变量与股价之间存在显着关系（5%水平）。有关这些的研究结果发表在Accounting，Vol.172，No.2（2007年8月）中。