bluuebunny/crossref_metadata_2025_split huggingface dataset:
Analysis of dynamic characteristics of spiral groove liquid film seal under thermal–fluid–solid coupling
Authors: Yu Bo , Hao Muming , Xinhui Sun , Wang Zengli , Fuyu Liu , Yongfan Li 
Published: August 2021

Purpose
The purpose of this paper is to investigate the dynamic characteristics of spiral groove liquid film seal under the effect of thermal–fluid–solid coupling.

Design/methodology/approach
The dynamic analysis model of spiral groove liquid film seal under the effect of thermal–fluid–solid coupling was established by perturbation method. The steady-state and perturbation Reynolds equations were solved, and the steady-state sealing performance and dynamic characteristic coefficients of the liquid film were obtained.

Findings
Compared with the liquid film without coupling method, a divergent seal gap is formed between the seal rings under the effect of thermal–fluid–solid coupling, the minimum liquid film thickness decreases, the dynamic stiffness and damping coefficients of the liquid film are increased and the thermoelastic deformation of the end-face improves the dynamic performance of the liquid film seal.

Originality/value
The dynamic characteristics of the spiral groove liquid film seal under the effect of thermal–fluid–solid coupling are studied, which provides a theoretical reference for optimizing the dynamic performance of the non-contacting liquid film seal.
Board gender diversity, governance and Egyptian listed firms' performance
Authors: Ramadan Maha Mohamed , Hassan Mostafa Kamal 
Published: August 2021

PurposeThe study aimed to examine the effect of corporate governance mechanisms on the performance of Egyptian firms listed in the Egyptian Stock Exchange (EGX) between 2014 and 2016.Design/methodology/approachWe relied on agency theory and resource dependence theory to generate testable hypotheses and capture the empirical findings. We regressed various performance measures (Return on Assets; Asset Utilization Ratio, Tobin'sQ) regarding governance mechanisms (institutional ownership, managerial ownership, board size, board frequent meetings, the presence of non-executive directors and female directors) while controlling for firm size, leverage, years of listing and market share. The study uses ordinary least square (OLS) and two stages least square (2SLS) regression analysis to address the possible endogenous impact of the firms' ownership structure.FindingsBoard gender diversity, the managerial ownership and frequent board meetings positively influence the Egyptian firms' efficiency measured by assets utilization, while the institutional ownership and board size have negative effects. When using Tobin'sQ, the managerial ownership shows a negative effect while institutional ownership and board size present positive effects. When using 2SLS regression, findings remained stable whereas non-executive directors showed a significant negative association with assets utilization.Practical implicationsPolicy makers are recommended to draft policies related to limiting the number of board members, diluting the government's indirect ownership of firms, empowering women in boardrooms and developing the skills needed for non-executive directors.Originality/valueTo the best of our knowledge, our study is one of very few that address firms' performance after a period of political instability accompanied by a greater role for females in the boardrooms of Egypt.
Abnormal real activities, meeting earnings targets and firms' future operating performance: evidence from an emerging economy
Authors: Alhaddad Lara M. , Whittington Mark , Gerged Ali Meftah 
Published: August 2021

PurposeThis paper aims to examine the extent to which real earnings management (REM) is used in Jordan to meet zero or previous year's earnings, and how this impacts the subsequent operating performance of Jordanian firms.Design/methodology/approachThe study used a sample of 98 Jordanian listed firms over the 2010–2018 period. To test the research hypotheses, which are formulated in accordance with both, agency theory and signalling theory, multivariate regression is performed using a pooled OLS estimation. Additionally, a two-step dynamic generalised method of moment (GMM) model has been estimated to address any concerns regarding the potential occurrence of endogeneity issues.FindingsThe results show that Jordanian firms that meet zero or last year's earnings tend to exhibit evidence of real activities manipulations. More specifically, suspect firms show unusually low abnormal discretionary expenses and unusually high abnormal production costs. Further, consistent with the signalling earnings management argument, the authors find that abnormal real-based activities intended to meet zero earnings or previous year's earnings potentially improve the subsequent operating performance of Jordanian firms. This implies that REM is not totally opportunistic, but it can be used to enhance the subsequent operating performance of Jordanian firms. Our findings are robust to alternative proxies and endogeneity concerns.Practical implicationsThe findings have several implications for policymakers, regulators, audit professionals and investors in their attempts to constrain REM practices to enhance financial reporting quality in Jordan. Managing earnings by reducing discretionary expenses appeared to be the most convenient way to manipulate earnings in Jordan. It provides flexibility in terms of time and the amount of spending. The empirical evidence, therefore, reiterates the crucial necessity to refocus the efforts of internal and external auditors on limiting this type of manipulation to reduce the occurrence of REM activities and enhance the subsequent operating performance of listed firms in Jordan. Drawing on Al-Haddad and Whittington (2019), the evidence also urges regulators and standards setters to develop a more effective enforcement mechanism for corporate governance provisions in Jordan to minimise the likelihood of REM incidence.Originality/valueThis study contributes to the body of the accounting literature by providing the first empirical evidence in the Middle East region overall on the use of REM to meet zero or previous year earnings by Jordanian firms. Moreover, the study is the first to empirically examine the relationship between REM and Jordanian firms' future operating performance.
Non-linear ADRL estimation of corruption and FDI inflow to Ghana
Authors: Nsor-Ambala Randolph , Coffie Cephas Paa Kwasi 
Published: August 2021

Purpose
This paper aims to examine the effect of corruption on foreign direct investment (FDI) inflow in Ghana. This provides answers to the call for further empirical examination of the contextual impact of corruption on FDI inflow.

Design/methodology/approach
The study uses a non-linear ADRL time series econometric model to estimate data from the World Bank and the international country risk guide (1984–2019).

Findings
The study confirms the sand in the wheel and the grabbing hand hypothesis of the impact of control of corruption (CoC) on FDI both in the short and long run. However, degradation on the CoC index has a significant and more than a proportionate constraint on FDI inflows, while an improvement in CoC has no significant impact on improving FDI inflows. An explanation for this outcome was proposed after comparing this finding to a similar prior study with a Nigerian data set (Zangina and Hassan, 2020). The proposed explanation relied mainly on the rational expectation hypothesis and drawing elements of the efficient market hypothesis. FDI inflows do not react to outcomes or trajectories reasonably expected because such rationally expected future outcomes will have been modelled into existing FDI movement decisions. Instead, FDI flows react to “surprises” and often respond in a more than proportional manner.

Practical implications
Political leadership in Ghana should be conscious of the severe adverse effects of inaction or ineffective action in curbing corruption, leading to slippering in CoC rankings. In the case of Ghana, the dependence of FDI on CoC is even more pronounced as the other variables within the specified model show an insignificant impact on FDI. Additionally, admittedly aggregated cross-country data in econometric modelling is appealing and has some empirical basis, but these must not erode the relevance of country-specific studies as both are needed to support theorization.

Originality/value
The paper is among the first to test for the asymmetric relationship between corruption or its control thereof and FDI with a time series approach, and hence, the findings offer new insight.
Digital transformation of legionella-safe cooling towers: an ecosystem design approach
Authors: Ângelo Alexandra , Barata João 
Published: August 2021

Purpose
Legionnaires’ disease is a major threat to public health. Solutions to deal with this problem are usually siloed and not entirely effective. This paper aims to model the information requirements of legionella-safe cooling towers in the era of Industry 4.0.

Design/methodology/approach
A year-long design science research was conducted in a cooling tower producer for heavy industries. The project started with a bibliometric analysis and literature review of legionella in cooling towers. Goal modeling techniques are then used to identify the requirements for digital transformation.

Findings
The improvement of legionella prevention, detection and outbreak response in digitally enabled cooling tower should involve different stakeholders. Digital twins and blockchain are disruptive technologies that can transform the cooling tower industry.

Originality/value
For theory, this study revises the most recent advances in legionella protection. Legionella-safe systems must be prepared to anticipate, monitor and immediate alert in case of an outbreak. For practice, this paper presents a distributed and digital architecture for cooling tower safety. However, technology is only a part of outbreak management solutions, requiring trustworthy conditions and real-time communication among stakeholders.
Administrative model of financial intelligence units: an analysis of effectiveness of the AML/CFT regime
Authors: Jayasekara Sisira Dharmasri 
Published: August 2021

Purpose
The purpose of this paper is to study the impact of the model of an financial intelligence unit (FIU) and the availability of resources of an FIU on the strength of the anti-money laundering and countering the financing of terrorism (AML/CFT) legal framework and the overall effectiveness of the AML/CFT regime.

Design/methodology/approach
The authors use FIU specific characteristics to measure the impact on the developed AML/CFT Compliance Index (Jayasekara, 2020a) and AML/CFT Effectiveness Index (Jayasekara, 2020b) in measuring the overall effectiveness of an AML/CFT regime. In addition, the impact of an AML/CFT regime on the cost to exports and gross domestic product are modeled.

Findings
The empirical results suggest that the model of an FIU is an important determinant of an effective AML/CFT regime. The administrative model of FIU shows a negative relationship with the overall effectiveness of the AML/CFT regime. The availability of resources which was measured in terms of human resources at FIUs shows a significant positive relationship with the effectiveness. However, the model of an FIU and the availability of resources of an FIU are not significant determinants of a sound AML/CFT legal framework. The results further reveal that effective AML/CFT regimes promote economic growth and also international trade by reducing the cost of exports. Therefore, policymakers are required to reassess the administrative model FIU of the country and have to adopt a suitable model which has been assigned more power to implement the regime.

Practical implications
This study was initially designed to capture more FIU specific variables using a questionnaire to widen the scope of the study. However, the low response rate to the questionnaire forced us to rely on publicly available data on FIU characteristics. Therefore, appropriate FIU specific variables may be developed in future research based on this foundation.

Originality/value
This paper is an original work done by the author that discusses the FIU specific characteristics on the overall strength and effectiveness of AML/CFT regimes and further extends the use of originally designed AML/CFT Compliance Index and AML/CFT Effectiveness Index.
Disentangling the implications of teleworking on work–life balance: a serial mediation analysis through motivation and satisfaction
Authors: Palumbo Rocco , Flamini Giulia , Gnan Luca , Pellegrini Massimiliano Matteo , Petrolo Damiano , Fakhar Manesh Mohammad 
Published: August 2021

PurposeLiterature is not consistent in discussing the implications of teleworking on work–life balance (WLB). Even though teleworking may enhance work arrangements’ flexibility, it blurs boundaries between life and work, endangering the individual WLB. The paper intends to illuminate this issue, moving forward our understanding of teleworking’s implications using the Social Exchange Theory framework.Design/methodology/approachSecondary data were collected from Eurofound’s sixth European Working Condition Survey. A large sample of Europeans (n = 16,473) was involved in this study. The authors designed a serial mediation analysis to investigate the direct and indirect effects of teleworking on WLB. The authors included employees’ job motivation and job satisfaction as intervening variables that mediate the relationship between teleworking and WLB.FindingsThe authors found teleworking to negatively affect WLB, putting under stress the teleworkers’ ability to handle the interplay between work and life. However, the serial mediation analysis pointed out that teleworking triggers an improvement of job motivation, which, in turn, boosts job satisfaction. Increased job motivation and job satisfaction nurture positive employees’ perception of WLB.Practical implicationsThe study results invite us to pay attention to the complex interplay between teleworking and WLB, emphasizing the mediating role of job motivation and job satisfaction. As a flexible work arrangement, teleworking may increase the employees’ sense of control over their work, which leads to better perceived WLB. However, confounding the boundaries between work and daily life, it may nourish work-to-life and life-to-work conflicts.Originality/valueThis paper advances what is currently known about teleworking’s implications on WLB, envisioning avenues for further conceptual and empirical developments.
Depressive symptoms and health-related quality of life in patients attending government – owned psychiatric clinics in Nigeria
Authors: Aluh Deborah O. , Adibe Maxwell O. , Abba Abubakar , Sam-Eze Chukwudi E. , Isah Abdulmuminu 
Published: August 2021

Purpose
Depression and its symptoms negatively influence the health-related quality of life of patients. This paper aims to explore the occurrence of depressive symptoms and their relationship with health-related quality of life and sociodemographic characteristics.

Design/methodology/approach
It was a cross-sectional study conducted among patients attending the outpatient psychiatric clinics of two Nigerian hospitals. Data were collected using sociodemographic, PHQ-9 and 15 D questionnaires from a convenience sample of patients. Statistical Product and Services Solution Software (SPSS) version 21.0 was used to evaluate depressive symptoms, health-related quality of life, sociodemographic characteristics and the associations among them.

Findings
The mean depressive symptoms and health-related quality of life scores were found to be 12.118 ± 4.373 and 0.829 ± 0.141, respectively. The result showed a significant negative correlation (r = −0.318, p < 0.001) between respondents’ depressive symptoms and health-related quality of life. Patients with comorbid conditions reported a significantly higher level of depressive symptoms (p = 0.002) and lower health-related quality of life (p < 0.001). There was a significant difference in the mean health-related quality of life of the respondents across their level of education and marital status.

Originality/value
Depressive symptoms are a common occurrence in psychiatric conditions. This study provides an insight into the associations between depressive symptoms, socio-demographic factors and the health-related quality of life of psychiatric patients in a low-income country.
Evaluation of UV post-curing depth for homogenous cross-linking of stereolithography parts
Authors: Schlotthauer Tristan , Nitsche Jan , Middendorf Peter 
Published: August 2021

Purpose
During post-processing of stereolithography photopolymers, the limited penetration depth of ultraviolet (UV) light can lead to inhomogeneous cross-linking. This is a major problem in part design for industrial applications as this creates uncertainty regarding the mechanical load capacity. Therefore, this paper aims to present an experimental method to measure the post-curing depth in stereolithography photopolymers.

Design/methodology/approach
Printed specimens made from urethane acrylate photopolymers are placed in a protective housing and are exposed on one side to UV light during post-processing. A depth profile of the hardness according to ASTM D2240 Shore D is determined alongside the specimens. UVA,-B and -C spectra are investigated and the dependence on exposure dose and pigmentation is studied. The results are directly linked to the mechanical properties via tensile tests and validated on an automotive trim part.

Findings
Exposure with a 405 nm light-emitting diode provides the deepest homogenous post-curing depth of 10.5 mm, which depends on the overall exposure dose and pigmentation. If the initially transparent photopolymer is colored with black pigments, post-curing depth is significantly reduced and no homogenous post-curing can be achieved. To obtain comparable mechanical properties by tensile tests, complete cross-linking of the specimen cross-section has to be ensured.

Research limitations/implications
The spatial resolution of the presented measurement method depends on the indenter size and sample hardness. As a result, the resolution of the used setup is limited in the area close to the edges of the specimen.

Originality/value
This paper shows that the spatially resolved hardness measurement provides more information on the post-curing influence than the evaluation of global mechanical properties. The presented method can be used to ensure homogenous cross-linking of stereolithography parts.
Augmenting the formation of esports gameplay intention: interaction effects of genre and gender
Authors: Jang Wooyoung (William) , Byon Kevin K. , Williams Antonio , Pedersen Paul M. 
Published: August 2021

PurposeWhile each genre and gender has been revealed as significant moderators for esports gameplay intention, exploring the interaction effects between genre and gender could broaden our understanding of the drivers’ relative effects on esports gameplay intention. Thus, the purpose of this study is to examine the interaction effects of gender and genre in the relationship between esports gameplay intention and its drivers (i.e. hedonic motivation, habit, price value, effort expectancy, social influence and flow).Design/methodology/approachThe hypothesized model was examined using data from a sample (N = 1,194). For the purposes of data analysis, confirmatory factor analysis and structural equation modeling were used to examine the hypothesized model. Then, a series of structural invariance tests were conducted to compare the interrelationship between the six determinants and esports gameplay for the six-group model.FindingsThe results of the six-group model comparison indicated that the interaction between gender and genre moderates the relationship between drivers and esports gameplay intention. In particular, the following moderation effects were observed: (1) “social influence-esports gameplay intention” between “male-physical enactment” and “female-physical enactment”; (2) “habit-esports gameplay intention” and (3) “effort expectancy-esports gameplay intention” between “female-imagination” and “female-physical enactment”; (4) “hedonic motivation-esports gameplay intention” and (5) “effort expectancy-esports gameplay intention” between “female-physical enactment” and “female-sport simulation.”Originality/valueThe findings of this current study contributed to clarifying the genre and gender effects in esports gameplay intention and thus the extension of the Esports Consumption (ESC) model (Jang et al., 2020a) and the technology adoption literature. Since the ESC model grounded the Unified Theory of Acceptance and Use of Technology 2 (UTAUT2), the improvement of the ESC model extended UTAUT2. In consumer behavior research in the esports context, this current study contributed to the extension of UTAUT2 on the new moderating mechanisms by adding the interaction between gender and esports game genre.
Resilience in interorganizational networks: dealing with day-to-day disruptions in critical infrastructures
Authors: van den Adel Mitchell J. , de Vries Thomas A. , van Donk Dirk Pieter 
Published: August 2021

Purpose
Critical infrastructures (CIs) for essential services such as water supply and electricity delivery are notoriously vulnerable to disruptions. While extant literature offers important insights into the resilience of CIs following large-scale disasters, our understanding of CI resilience to the more typical disruptions that affect CIs on a day-to-day basis remains limited. The present study investigates how the interorganizational (supply) network that uses and manages the CI can mitigate the adverse consequences of day-to-day disruptions.

Design/methodology/approach
Longitudinal archival data on 277 day-to-day disruptions within the Dutch national railway CI were collected and analyzed using generalized estimating equations.

Findings
The empirical results largely support the study’s predictions that day-to-day disruptions have greater adverse effects if they co-occur or are relatively unprecedented. The findings further show that the involved interorganizational network can enhance CI resilience to these disruptions, in particular, by increasing the overall level of cross-boundary information exchange between organizations inside the network.

Practical implications
This study helps managers to make well-informed choices regarding the target and intensity of their cross-boundary information-exchange efforts when dealing with day-to-day disruptions affecting their CI. The findings illustrate the importance of targeting cross-boundary information exchange at the complete interorganizational network responsible for the CI and to increase the intensity of such efforts when CI disruptions co-occur and/or are unprecedented.

Originality/value
This study contributes to our academic understanding of how network-level processes (i.e. cross-boundary information exchange) can be managed to ensure interorganizational (supply) networks’ resilience to day-to-day disruptions in a CI context. Subsequent research may draw from the conceptual framework advanced in the present study for examining additional supply network-level processes that can influence the effectiveness of entire supply networks. As such, the present research may assist scholars to move beyond a simple dyadic context and toward examining complete supply networks