Christopher Gibbins, Margaret D. Weiss, David W. Goodman, Paul S. Hodgkins, Jeanne M. Landgraf and Stephen V. Faraone
This is the first study to evaluate ADHD-hyperactive/impulsive subtype in a large clinical sample of adults with ADHD. The Quality of Life, Effectiveness, Safety and Tolerability…
Abstract
This is the first study to evaluate ADHD-hyperactive/impulsive subtype in a large clinical sample of adults with ADHD. The Quality of Life, Effectiveness, Safety and Tolerability (QuEST) study included 725 adults who received clinician diagnoses of any ADHD sub-type. Cross-sectional baseline data from 691 patients diagnosed with the hyperactive/impulsive (HI), inattentive (IA) and combined sub-types were used to compare the groups on the clinician administered ADHD-RS, clinical features and health-related quality of life. A consistent pattern of differences was found between the ADHD-I and combined subtypes, with the combined subtype being more likely to be diagnosed in childhood, more severe symptom severity and lower HRQL. Twenty-three patients out of the total sample of 691 patients (3%) received a clinician diagnosis of ADHD -hyperactive/impulsive subtype. Review of the ratings on the ADHD-RS-IV demonstrated, however, that this group had ratings of inattention comparable to the inattentive group. There were no significant differences found between the ADHD-HI and the other subtypes in symptom severity, functioning or quality of life. The hyperactive/impulsive subtype group identified by clinicians in this study was not significantly different from the rest of the sample. By contrast, significant differences were found between the inattentive and combined types. This suggests that in adults, hyperactivity declines and inattention remains significant, making the hyperactive/impulsive sub-type as defined by childhood criteria a very rare condition and raising questions as to the validity of the HI subtype in adults.
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Samir Trabelsi and Amna Chalwati
This paper examines the relationship between poison pills, real earnings management and initial public offering (IPO) failure.
Abstract
Purpose
This paper examines the relationship between poison pills, real earnings management and initial public offering (IPO) failure.
Design/methodology/approach
The authors sampled 2,997 IPO firms that went public during 1993-2015.
Findings
The authors find that IPO firms manipulate earnings upward using real earnings management. The authors also find that IPO firms exhibiting a higher level of real earnings management have a higher probability of IPO failure. In addition, the authors find that weak shareholders' governance is positively associated with IPO failure.
Practical implications
These results suggest that poor governance structures in failed firms open the door to manipulating real activities and increasing operational risk.
Originality/value
The study findings are of most significant interest to potential investors and other stakeholders affiliated with a firm going public, an auditor, an underwriter, the lawyers who consult with the firm and employees or executives who might consider joining that firm.
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This article explores leadership studies as a complementary and integrating discipline in undergraduate liberal education curricula. A significant historical purpose of liberal…
Abstract
This article explores leadership studies as a complementary and integrating discipline in undergraduate liberal education curricula. A significant historical purpose of liberal education was to liberate and prepare its graduates to be active and capable participants and leaders in social, economic, religious, and political realms. This historical purpose has become resurgent in recent critical examinations of liberal education. Some now argue that the undergraduate liberal education should return, in part, to preparing citizens for leadership responsibilities necessary to strengthen our communities, nation, and democratic institutions.
There appears to be a symbiotic relationship between liberal education and leadership studies. The knowledge, attitudes, and skills necessary for effective leadership appear to be closely aligned with the desired learning outcomes of a liberal arts education, regardless of major. This article concludes that leadership studies may be an important and beneficial component of undergraduate liberal education curricula.
Modern academic links between leadership and strategy were forged in the early 1960s with the heightened application of strategy to business planning. These links were soon…
Abstract
Modern academic links between leadership and strategy were forged in the early 1960s with the heightened application of strategy to business planning. These links were soon dissolved by the strategy consultants who came to dominate the field of business strategy in the mid-1960s. The consultants dismissed the role of leadership in strategic planning in favor of objective analyses of the external environment that eliminated any need for leadership skills, judgment, values, or intuition. Failures to implement strategy in the 1980s led to limited roles for leaders in implementing strategies they had no role in creating, but the gulf between leadership and strategy has steadily widened.
This paper traces the consequences of this widening gulf for teaching leadership and strategy in the classroom. It explores how an integrated approach to teaching leadership and strategy would better prepare today’s students for the challenges they will face as future business leaders.
Fabian Akkerman, Eduardo Lalla-Ruiz, Martijn Mes and Taco Spitters
Cross-docking is a supply chain distribution and logistics strategy for which less-than-truckload shipments are consolidated into full-truckload shipments. Goods are stored up to…
Abstract
Cross-docking is a supply chain distribution and logistics strategy for which less-than-truckload shipments are consolidated into full-truckload shipments. Goods are stored up to a maximum of 24 hours in a cross-docking terminal. In this chapter, we build on the literature review by Ladier and Alpan (2016), who reviewed cross-docking research and conducted interviews with cross-docking managers to find research gaps and provide recommendations for future research. We conduct a systematic literature review, following the framework by Ladier and Alpan (2016), on cross-docking literature from 2015 up to 2020. We focus on papers that consider the intersection of research and industry, e.g., case studies or studies presenting real-world data. We investigate whether the research has changed according to the recommendations of Ladier and Alpan (2016). Additionally, we examine the adoption of Industry 4.0 practices in cross-docking research, e.g., related to features of the physical internet, the Internet of Things and cyber-physical systems in cross-docking methodologies or case studies. We conclude that only small adaptations have been done based on the recommendations of Ladier and Alpan (2016), but we see growing attention for Industry 4.0 concepts in cross-docking, especially for physical internet hubs.
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Elisabeth Ilie-Zudor, Anikó Ekárt, Zsolt Kemeny, Christopher Buckingham, Philip Welch and Laszlo Monostori
– The purpose of this paper is to examine challenges and potential of big data in heterogeneous business networks and relate these to an implemented logistics solution.
Abstract
Purpose
The purpose of this paper is to examine challenges and potential of big data in heterogeneous business networks and relate these to an implemented logistics solution.
Design/methodology/approach
The paper establishes an overview of challenges and opportunities of current significance in the area of big data, specifically in the context of transparency and processes in heterogeneous enterprise networks. Within this context, the paper presents how existing components and purpose-driven research were combined for a solution implemented in a nationwide network for less-than-truckload consignments.
Findings
Aside from providing an extended overview of today’s big data situation, the findings have shown that technical means and methods available today can comprise a feasible process transparency solution in a large heterogeneous network where legacy practices, reporting lags and incomplete data exist, yet processes are sensitive to inadequate policy changes.
Practical implications
The means introduced in the paper were found to be of utility value in improving process efficiency, transparency and planning in logistics networks. The particular system design choices in the presented solution allow an incremental introduction or evolution of resource handling practices, incorporating existing fragmentary, unstructured or tacit knowledge of experienced personnel into the theoretically founded overall concept.
Originality/value
The paper extends previous high-level view on the potential of big data, and presents new applied research and development results in a logistics application.
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David King, Elio Shijaku and Ainhoa Urtasun
The authors propose and test a theoretical framework that develops and analyzes precursors to firm acquisitions to determine if acquirers differ from other firms.
Abstract
Purpose
The authors propose and test a theoretical framework that develops and analyzes precursors to firm acquisitions to determine if acquirers differ from other firms.
Design/methodology/approach
The authors use longitudinal, archival data from a sample of the largest firms in the global pharmaceutical industry from 1991 to 2012 with 1,327 firm-year observations.
Findings
The authors integrate prior research to show that the firm characteristics involving (1) R&D investment, (2) prior experience and (3) network centrality influence the likelihood that a firm will complete an acquisition.
Originality/value
In contrast to research focusing on the performance of acquiring firms, the authors show that firm characteristics predict acquisition activity by highlighting that acquiring firms differ from other firms. The authors also develop how network synergies can be realized by acquirers that have information advantages from more central network positions.
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Top officials at Enron abused their power and privileges, manipulated information, engaged in inconsistent treatment of internal and external constituencies, put their own…
Abstract
Top officials at Enron abused their power and privileges, manipulated information, engaged in inconsistent treatment of internal and external constituencies, put their own interests above those of their employees and the public, and failed to exercise proper oversight or shoulder responsibility for ethical failings. Followers were all too quick to follow their example. Therefore, implications for teaching leadership ethics include, educators must: (a) share some of the blame for what happened at Enron, (b) integrate ethics into the rest of the curriculum, (c) highlight the responsibilities of both leaders and followers, (d) address both individual and contextual variables that encourage corruption, (e) recognize the importance of trust and credibility in the leader-follower relationship, and (f) hold followers as well as leaders accountable for ethical misdeeds.
Tahir Ali, Aurangzeab Butt, Ahmad Arslan, Shlomo Yedidia Tarba, Sniazhana Ana Sniazhko and Minnie Kontkanen
This study investigates an under-researched yet fundamental question of how a developed country multinational enterprises (DMNE) perceives and manages political risks when…
Abstract
Purpose
This study investigates an under-researched yet fundamental question of how a developed country multinational enterprises (DMNE) perceives and manages political risks when undertaking infrastructure projects in the emerging markets (EMs).
Design/methodology/approach
The authors use an abduction-based qualitative research approach to analyze six international project operations of a multinational enterprise originating from Finland in five EMs.
Findings
The findings suggest that the overall nature of political risks in EMs is not the same, except few political risk factors that are visible in most EMs. Consequently, the applied risk management mechanisms vary between EMs, except with few common mechanisms. The authors develop an integrative analytical framework of political risk management based on the findings.
Originality/value
This paper is one of the first studies to identify political risk factors for western MNEs while undertaking international project operations and link them to reduction mechanisms used by them. The authors go beyond the notion of risk being conceptualized at a general level and evaluate 20 specific political risk factors referred to in extant literature. The authors further link these political risk factors with both social exchange and transaction cost theories conceptually as well as empirically. Finally, the authors develop a relatively comprehensive analytical framework of political risk management based on the case projects' findings that combine several strands of literature, including the social exchange theory, transaction cost theory, international market entry, project management and finance literature streams.