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Article
Publication date: 4 March 2019

Financial fraud detection and big data analytics – implications on auditors’ use of fraud brainstorming session

Jiali Tang and Khondkar E. Karim

This paper aims to discuss the application of Big Data analytics to the brainstorming session in the current auditing standards.

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Abstract

Purpose

This paper aims to discuss the application of Big Data analytics to the brainstorming session in the current auditing standards.

Design/methodology/approach

The authors review the literature related to fraud, brainstorming sessions and Big Data, and propose a model that auditors can follow during the brainstorming sessions by applying Big Data analytics at different steps.

Findings

The existing audit practice aimed at identifying the fraud risk factors needs enhancement, due to the inefficient use of unstructured data. The brainstorming session provides a useful setting for such concern as it draws on collective wisdom and encourages idea generation. The integration of Big Data analytics into brainstorming can broaden the information size, strengthen the results from analytical procedures and facilitate auditors’ communication. In the model proposed, an audit team can use Big Data tools at every step of the brainstorming process, including initial data collection, data integration, fraud indicator identification, group meetings, conclusions and documentation.

Originality/value

The proposed model can both address the current issues contained in brainstorming (e.g. low-quality discussions and production blocking) and improve the overall effectiveness of fraud detection.

Details

Managerial Auditing Journal, vol. 34 no. 3
Type: Research Article
DOI: https://doi.org/10.1108/MAJ-01-2018-1767
ISSN: 0268-6902

Keywords

  • Big data analytics
  • Brainstorming session
  • Fraud detection

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Article
Publication date: 7 March 2016

Do ethical firms create value?

Khondkar Karim, SangHyun Suh and Jiali Tang

– This study aims to examine the value relevance of ethics information.

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Abstract

Purpose

This study aims to examine the value relevance of ethics information.

Design/methodology/approach

This study adopts event study methodology to test the market’s reaction around the announcements of World’s Most Ethical Companies (WME), a ranking based on firms’ overall corporate social responsibility performance. The authors calculate the abnormal returns of firms on the WME lists to investigate how stockholders respond to the disclosure of ethical information.

Findings

The authors find significant and positive abnormal returns around the announcements of the lists of ethical firms. Specifically, positive market reaction on the first day after the WME announcement (Day 1) is observed.

Originality/value

This study contributes to the existing literature of the relationship between business ethics and firm value. The authors provide evidence that ethics can be aligned with firms’ financial goals. Further, this study is the first to use the WME announcement as a proxy for ethical firms.

Details

Social Responsibility Journal, vol. 12 no. 1
Type: Research Article
DOI: https://doi.org/10.1108/SRJ-09-2014-0127
ISSN: 1747-1117

Keywords

  • Corporate social responsibility (CSR)
  • Abnormal returns
  • Value relevance
  • Ethical firms

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Article
Publication date: 5 August 2019

Disease risk and its moderating effect on the e-consultation market offline and online signals

Jia Li, Jie Tang, David C. Yen and Xuan Liu

The purpose of this paper is to investigate the moderating effect of disease risk in terms of the major signals (i.e. status, reputation and self-representation) on the…

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Abstract

Purpose

The purpose of this paper is to investigate the moderating effect of disease risk in terms of the major signals (i.e. status, reputation and self-representation) on the e-consultation platforms.

Design/methodology/approach

In this study, the proposed research hypotheses are tested using the transaction data collected from xywy.com (in Need of Therapy). In fact, xywy.com is one the leading e-consultation service websites in China that provides a platform for the interactions between the physicians and patients (Yu et al., 2016; Peng et al., 2015). Generally speaking, it has all the needed design elements and in other words, a standard e-consultation website should have such items/components as physician homepage, physician review, free consultation, paid consultation and recommendation systems.

Findings

The obtained results reveal that all attributes including status, reputation and self-representation have a positive impact on physician’s online order volume. Moreover, there is a positive moderating effect of disease risk onto the online reputation, indicating a higher effect exists for the diseases with high risk. However, the effect of offline status and online self-representation is not moderated by the disease risk, indicating market signals (online reputation) may have a stronger predictive power than seller signals (offline status and online self- representation), and therefore market signals are more effective when/if the disease risk is high.

Originality/value

E-consultation has gradually become a significant trend to provide the healthcare services, in the emerging economy such as China because of shortage of medical resources but having an adequate access in internet usage. The impacts of signals on the health care market have been validated by previous studies. However, the research focusing on the moderating effect of signaling environment in the health care industry is still lacking. As a result, the value of this research helps to bridge the aforementioned research gap.

Details

Information Technology & People, vol. 32 no. 4
Type: Research Article
DOI: https://doi.org/10.1108/ITP-03-2018-0127
ISSN: 0959-3845

Keywords

  • E-health
  • Telemedicine
  • Social networking
  • Health information system

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Article
Publication date: 3 May 2016

The influencing mechanism of drilling parameters on micro drilling temperature on the basis of calibration of surface emissivity of micro drill bit

Hongyan Shi, Jiali Ning and Qiuxin Yan

The purpose of this paper is to calibrate the surface emissivity of micro drill bit and to investigate the effect of different drilling parameters on the temperature of…

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Abstract

Purpose

The purpose of this paper is to calibrate the surface emissivity of micro drill bit and to investigate the effect of different drilling parameters on the temperature of micro drill bit in printed circuit board (PCB) micro drilling process.

Design/methodology/approach

The surface emissivity of micro drill bit was obtained by experiments. Analysis of variance (ANOVA) was applied in this study to analysis the effect of different drilling parameters on the temperature of micro drill bit in PCB micro hole drilling. The most significant influencing factor on micro drill bit temperature was achieved by ANOVA.

Findings

First, the surface emissivity of cemented carbide rod decreased from 0.4 to 0.32 slowly with temperature in the range of 50-220°C. Second, the most significant influencing factor on the micro drill bit temperature was spindle speed among the drilling parameters including spindle speed, retract rate and infeed rate.

Research limitations/implications

In this paper, the influence of roughness of black coating, carbide rod and micro drill bit on the surface emissivity calibration and the temperature measurement was not considered.

Originality/value

A new simple method has been presented to calibrate the surface emissivity of micro drill bit. Through calibrating the surface emissivity of micro drill bit, the temperature of micro drill bit can be measured accurately by infrared thermometry. Analyzing the influences of different drilling parameters on the temperature of micro drill bit, the mechanism of drilling parameters on drilling temperature is achieved. The basis for the selection of drilling parameters to improve the hole quality is enhanced.

Details

Circuit World, vol. 42 no. 2
Type: Research Article
DOI: https://doi.org/10.1108/CW-06-2015-0024
ISSN: 0305-6120

Keywords

  • Infrared camera
  • Temperature measurement
  • Micro drill bit
  • Printed circuit board
  • Infrared emissivity
  • Micro drilling

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Article
Publication date: 4 April 2016

A theory of managerial tax aggression: evidence from China, 2008-2013 (9702 observations)

Yuanhui Li, Ying Luo, Jiali Wang and Check-Teck Foo

This paper aims to investigate the economic consequence of the tax reductive strategy on stock price. The authors’ theory, empirically reinforced, suggests managerial tax…

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Abstract

Purpose

This paper aims to investigate the economic consequence of the tax reductive strategy on stock price. The authors’ theory, empirically reinforced, suggests managerial tax aggressiveness endangers the corporation through a heightened risk in stock price crashing. Information opacity worsens the situation by reinforcing the relationship. Policymakers should emphasize two aspects: market openness and tighter institutional monitoring. The evidence shown in this paper demonstrates that these two weaken the tax aggressiveness impact on risk of a crashing stock price.

Design/methodology/approach

The sample in this paper consists of 9,702 observations from listed firms from 2008 to 2013 in China. The tax rate is manually collected and all the other original data used in this study are sourced from Wind and China Capital Market and Accounting Research databases. Both logistic regression and ordinary least squares regression methods are used to test the hypothesis in this paper.

Findings

One key insight is in tax aggressiveness to be strongly correlated with a greater risk of future stock price crashing. The authors also found information opacity to exert a positive moderating effect. That is, the higher the information opacity, the stronger and more positive the correlation between tax aggression and stock price crash risk. However, the market process and an institutional investor have opposite, negative impacts. An open market environment reduces their correlativeness. Similarly, stronger institutional vigilance leads to an attenuation of such a co-relationship.

Practical implications

The findings of this paper have wide policy implications for management and control by authorities of listed corporations. Aggressiveness in management of corporate taxes accentuates the risks borne by stockholders. If so, internally within the corporation, such aggression shown by management, if not proscribed, could be subject to scrutiny, possibly by an independent committee. Externally, this may be countered by the authority in emphasizing three key factors: openness in information sharing, the market environment and tighter institutional monitoring.

Originality/value

This study provides a consequential theory of aggressive management of tax, rigorously analyzed and strongly, empirically supported. Overall, aggressiveness in tax management is related with assumption of higher risks in the crashing of stock price. The relationship is enhanced through information opacity, but reduced via market environment and institutional monitoring.

Details

Chinese Management Studies, vol. 10 no. 1
Type: Research Article
DOI: https://doi.org/10.1108/CMS-01-2016-0001
ISSN: 1750-614X

Keywords

  • Institutional investor
  • Information opacity
  • Market environment
  • Risk of stock price crashing
  • Tax aggressive

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Book part
Publication date: 20 January 2011

Fashion retailing in China: An examination of its development and issues

Priscilla Y.L. Chan

China represents around 20% of the world's population, and her economy is still performing well under economic crisis. Historical events have shaped different parts of…

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Abstract

China represents around 20% of the world's population, and her economy is still performing well under economic crisis. Historical events have shaped different parts of China with different economic developments and cultural encounters. The most prominent difference is between Hong Kong and the Mainland. This chapter would like to examine the development and issues of fashion retailing in China. For better understanding, this chapter starts with a brief discussion on apparel industry development and fashion culture in Hong Kong and the Mainland, follows by historical development and then presents systems of fashion retailing in both Hong Kong and the Mainland. Desktop research and exploratory research techniques were employed. Stores of international fashion luxury brands in Hong Kong, Shanghai and Beijing were visited. Comparison of branding issues, particularly for luxury market in Hong Kong and the Mainland are discussed, so are future directions of fashion retailing in these places.

Details

International Marketing
Type: Book
DOI: https://doi.org/10.1108/S1474-7979(2011)0000021007
ISBN: 978-0-85724-448-2

Keywords

  • Luxury
  • fashion retailing
  • brand
  • Mainland China
  • Hong Kong

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Article
Publication date: 3 September 2018

An accidental journey: sha-cha sauce and beef consumption in Tainan since 1949

Lin-Yi Tseng

In today’s Taiwan, sha-cha sauce is an indispensable ingredient for beef hot pot and stir-fried dishes. The purpose of this paper contextualizes the history of sha-cha…

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Abstract

Purpose

In today’s Taiwan, sha-cha sauce is an indispensable ingredient for beef hot pot and stir-fried dishes. The purpose of this paper contextualizes the history of sha-cha sauce in Tainan, the oldest city in Taiwan, and argues that sha-cha sauce, introduced by Chaoshan immigrants, has contributed to new styles and habits of beef consumption tastes and habits in the post-1949 Tainan and beyond.

Design/methodology/approach

This paper uses documentary materials, oral interviews and diaries to explore the relationship between beef consumption and sha-cha sauce. It begins with an historical overview of Taiwan’s beef consumption during the Japanese colonial era (1895-1945). Then, it focuses on two Chaoshan business enterprises: the Bull-Head, which makes the world’s largest “canned sha-cha sauce,” and the Xiao Haozhou, a Tainan restaurant specializing in sha-cha beef hot pot. Finally, this study analyzes Xinrong Wu, a Tainan gentry whose diary entries from 1933 to 1967 documented the changing dietary habits of beef consumption among Taiwanese.

Findings

The Chaoshan migrants played an important role in introducing the sha-cha sauce to postcolonial Tainan, and this input bolstered the beef consumption among Taiwanese. The production of sha-cha provided a reliable source of income for these migrants in Tainan, and major businesses like the Bull-Head became the international brands of Taiwanese food products.

Research limitations/implications

The study, though limited to Tainan, reveals the symbiosis between popularization of sha-cha sauce and widespread beef consumption in Taiwan.

Practical implications

This study helps researchers examine the connection between Chinese migrations and food culture.

Originality/value

This paper is an original scholarly investigation of the relationship between food diet and Chaoshan migration in postcolonial Tainan.

Details

Social Transformations in Chinese Societies, vol. 14 no. 2
Type: Research Article
DOI: https://doi.org/10.1108/STICS-04-2018-0008
ISSN: 1871-2673

Keywords

  • Migration
  • Chaoshan
  • Sha-cha
  • Tainan

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Article
Publication date: 29 June 2020

Pricing supply chain option contracts: a bilevel programming approach

Abir Trabelsi and Hiroaki Matsukawa

This paper considers an option contract in a two-stage supplier-retailer supply chain (SC) when market demand is stochastic. The problem is a Stackelberg game with the…

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Abstract

Purpose

This paper considers an option contract in a two-stage supplier-retailer supply chain (SC) when market demand is stochastic. The problem is a Stackelberg game with the supplier as a leader. This research assumes demand information sharing. The purpose of this study is to determine the optimal pricing strategy of the supplier along with the optimal order strategy of the retailer in three option contract cases.

Design/methodology/approach

The paper model the option contract pricing problem as a bilevel problem. The problem is then solved using bilevel programing methods. After computing, the generated outcomes are compared to a benchmark (wholesale price contract) to evaluate the contract.

Findings

The results reveal that only one of the contract cases can arbitrarily allocate the SC profit. In both other cases, the Stackelberg supplier manages to earn the total SC profit. Further analysis of the first contract, show that from the supplier’s perspective, the first stage forecast inaccuracy is beneficial, whereas the demand uncertainty in the second stage is detrimental. This contracting strategy guarantees both players better outcomes compared to the wholesale price contract.

Originality/value

To the best of the authors’ knowledge, this research is the first that links the option contract literature to the bilevel programing literature. It also the first to solve the pricing problem of the commitment option contract with demand update where the retailer exercises the option before knowing the exact demand.

Details

Journal of Modelling in Management, vol. 15 no. 4
Type: Research Article
DOI: https://doi.org/10.1108/JM2-08-2019-0195
ISSN: 1746-5664

Keywords

  • Decision-making
  • Optimization
  • Modeling
  • Game theory

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