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Featured researches published by Jap Efendi.


Archive | 2010

Do XBRL Reports Have Incremental Information Content? – An Empirical Analysis

Jap Efendi; Jin Dong Park; Chandra Subramaniam

This study investigates whether XBRL filings of 10Ks and 10Qs possess incremental information content beyond current EDGAR filings in HTML format. The sample comprises of 342 voluntary XBRL filings from the period of 2005 to June 30, 2008. We document a significant market reaction on the day when XBRL reports are filed. The market response is stronger for larger firms, more recent filings and more timely filings. Furthermore, it is more pronounced in instances where multiple reports are filed. Using the R2 in a regression of fiscal quarter abnormal returns on XBRL filing abnormal returns, we find that approximately 1.2% to 8.0% out of total information content in earnings disclosures is associated with these XBRL filings.


Review of Accounting and Finance | 2014

Stock option expense management after SFAS 123R

Jap Efendi; Li-Chin Jennifer Ho; Jeffrey J. Tsay; Yu Zhang

Purpose - – The purpose of this paper is to examine whether firms manage the total value of stock option grants downward after the implementation of Statement of Financial Accounting Standards (SFAS) 123R to reduce their reported option expenses. Design/methodology/approach - – All Standard & Poor’s (S&P) 1500 firms with available stock option data in 2004 and 2006 are included in the analysis. The authors analyze if the total value of options granted, the per share fair value of options granted, the number of options granted as well as each individual input assumption have changed from the pre-SFAS 123R (i.e. 2004) to the post-SFAS 123R (i.e. 2006) period. We compare post-SFAS123R option pricing assumptions and per share fair value of options granted with their respective expected values to verify the results. We also analyze whether SFAS 123R has differential effects on firms which chose to disclose option expense only in footnotes (“disclosing firms”) versus firms which voluntarily recognized option expense (“recognizing firms”) prior to SFAS 123R. Findings - – The results show that after SFAS 123R, the total fair value of stock options granted for disclosing firms declined significantly. The decrease appears to result from managerial discretion over volatility and dividend yield assumptions as well as the reduction in the number of options granted. The evidence suggests that firms engage in not only assumption-based manipulations but also real activities to lower reported stock option expenses. It was also found that disclosing firms lower the total fair value of stock options granted to a greater extent than recognizing firms. Originality/value - – This study adds to prior literature that examines the opportunistic incentives for managers to use discretion in reporting stock option expenses. This study contributes to the earnings management literature by providing another example of manipulating earnings through real activities. Finally, our study should be of interest to regulators and investors.


Journal of Information Systems | 2017

The Impact of Senior Management Competencies on the Voluntary Adoption of an Innovative Technology

J. Efrim Boritz; Jap Efendi; Jee-Hae Lim

ABSTRACT: The adoption of innovative technologies holds both promise and risk. We focus on the voluntary adoption of innovative financial reporting and disclosure technologies (IFRDTs) using the voluntary adoption of XBRL as an exemplar for our study. In particular, since IFRDTs have both financial reporting (FR) and information technology aspects (IT), we examine the impact of IT and FR competencies possessed by members of the top management team (CEOs and CFOs) on the voluntary adoption of XBRL beyond the impact of environmental, organizational, technological, and financial characteristics of their firms. We find that the voluntary adoption of XBRL was positively associated with higher levels of IT competencies; but, surprisingly, voluntary adoption of this innovation was negatively associated with higher levels of FR competencies, regardless of the functional role played by the executive. These results extend the literature on the influence of management characteristics on corporate decisions and can b...


Journal of Financial Economics | 2007

Why Do Corporate Managers Misstate Financial Statements? the Role of Option Compensation and Other Factors

Jap Efendi; Anup Srivastava; Edward P. Swanson


Journal of Business Research | 2014

Do XBRL filings enhance informational efficiency? Early evidence from post-earnings announcement drift

Jap Efendi; Jin Dong Park; L. Murphy Smith


International Journal of Economics and Accounting | 2011

Longitudinal Analysis of Voluntary Adoption of XBRL on Financial Reporting

Jap Efendi; L. Murphy Smith; Jeffrey A. Wong


The Accounting Review | 2013

Executive Turnover Following Option Backdating Allegations

Jap Efendi; Rebecca Files; Bo Ouyang; Edward P. Swanson


Journal of Emerging Technologies in Accounting | 2006

Information Technology and Systems Research Published in Major Accounting Academic and Professional Journals

Jap Efendi; Elizabeth Vallery Mulig; L. Murphy Smith


Academy of Marketing Studies Journal | 2012

Marketing Supply Chain Using B2B Buy-Side E-Commerce Systems: Does Adoption Impact Financial Performance?

Jap Efendi; Michael Kinney; Katherine Taken Smith; L. Murphy Smith


Archive | 2004

Can Short Sellers Anticipate Accounting Restatements

Jap Efendi; Michael Kinney; Edward P. Swanson

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Jee-Hae Lim

University of Waterloo

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Chandra Subramaniam

University of Texas at Arlington

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Bo Ouyang

Pennsylvania State University

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