An alternative model for the analysis of detecting electronic industries earnings management using stepwise regression, random forest, and decision tree

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Title:	An alternative model for the analysis of detecting electronic industries earnings management using stepwise regression, random forest, and decision tree
Authors:	Chen, FH (Chen, Fu-Hsiang) Howard, H (Howard, Hu)
Contributors:	會計系
Keywords:	Earnings management Random forest Stepwise regression CHAID CART C5.0 Decision tree
Date:	2016-05
Issue Date:	2017-04-14 10:59:28 (UTC+8)
Abstract:	This study attempts to diagnose the detecting electronic industries' earnings management by integrating suitable soft computing methods. Accounting earnings information is a very crucial element for corporate stakeholders to determine their stock prices and evaluate their supervision and management authority's performance, while it is also essential information for measuring corporate value. Hence, whether an enterprise can faithfully express its true economic meaning over its financial statements and how the management handles its earnings have turned out to be a popular issue widely discussed by researchers. Detecting public companies' earnings management is an important and challenging issue that has served as the impetus in many academic studies over the last few decades. Data mining technique and machine learning methods have also been commonly applied by accounting and financial personnel to other fields of studies. The study used the stepwise regression and random forest techniques to screen the variables in the first place, followed by adopting three kinds of decision trees including Chi-squared automatic interaction detector, classification and regression trees and C5.0 to establish a model and find out if the tested enterprise had extreme earnings manipulation. The results show that the proposed hybrid approach (RF+C5.0) has the optimal classification rate (the accuracy rate is 91.24 %) and the lowest occurrence of Type I error and Type II error. Also, as discovered from the rules set of the final additional testing, an enterprise's operating cash flow, times interest earned ratio and previous period's discretionary accruals play a decisive role in affecting its extreme earnings management.
Relation:	SOFT COMPUTING 卷: 20 期: 5 頁碼: 1945-1960 特刊: SI
Appears in Collections:	[Department of Accounting & Graduate Institute of Accounting] periodical articles

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