bluuebunny/crossref_metadata_2025_split huggingface dataset:
Potential benefits and descriptive norms in webrooming: an extended model of goal-directed behaviour
Authors: Arora Sourabh , Sahney Sangeeta , Pradhan Debasis 
Published: July 2021

PurposeThis purpose of this paper is to extend the model of goal-directed behaviour by including the potential benefits of webrooming and descriptive norms to scrutinise the consumer's rationale and intent behind webrooming.Design/methodology/approachA survey instrument was employed to collect the data. A total of 324 usable responses were obtained, and the structural equation modelling technique was used for analysis.FindingsThe results of the study revealed that consumers utilised the information collected online to strike better deals offline. Also, webrooming not only stimulated smart shopper feelings amongst shoppers but also assisted them in avoiding certain risks associated with shopping online. Besides, support was also garnered for informative and possession benefits linked with webrooming. The findings demonstrated the positive impact of attitude, anticipated emotions and perceived behavioural control on desire, which in turn positively determined the intentions. Significant mediation impact was also observed between attitude and intentions via desire. However, past behaviour was evidenced to impact only intentions. Surprisingly, descriptive norms emerged as a stronger predictor of consumers' desire as opposed to subjective norms, which was found to be insignificant.Research limitations/implicationsInformation search and switching costs associated with webrooming have not been considered in this study. A larger sample size would help draw broader generalisations.Practical implicationsWhile online retailers can utilise the findings of the study to convert webrooming shoppers into buyers, alternatively, offline stores can use the key insights to retain webroomers. Additionally, educators can use the findings of the study to teach the students about the changing retailing dynamics.Originality/valueThe present study emerges as the first one to incorporate cognitive, affective and habitual factors collectively for a better understanding of the webrooming phenomenon.
Evaluating the usefulness of two proposed performance management frameworks: evidence from business practice
Authors: Abdel-Halim Amr Mohamed Said , Ahmed Mirghani N. 
Published: July 2021

Purpose
This paper aims to evaluate the usefulness of two conceptual frameworks: levers of control (LOC) (Simons, 1995) and performance management systems (PMSs) (Ferreira and Otley, 2009) for studying PM practices using a case study.

Design/methodology/approach
A case study method is used whereby data are collected through semi-structured interviews, examination of the group’s annual reports and internal documents.

Findings
A key finding of this study is the use of a PMS at the case company which is formally structured and with objectives, mechanisms and processes designed beyond a mere “performance measurement system.” While the case analysis indicates that most of the key components of the two frameworks are featured in the company’s PMS design, the uses of Simons’ (1995) LOC, however, are not consistent with the notion of “balance” as advocated by the model.

Research limitations/implications
The evidence presented in this study is based on one large manufacturing company, and hence the findings cannot be generalized.

Practical implications
The findings of this study can be used in enriching the design of current proposed theoretical frameworks and also in encouraging management accounting researchers to continue the efforts of studying performance management (PM) practices.

Originality/value
A deeper understanding of PM practices using holistic frameworks has yet to receive more contested efforts from management accounting researchers. This paper attempts to contribute to this endeavor and fill in the gap in this area of research.
Residents’ preferred measures and willingness-to-pay for improving urban air quality: A case study of Hanoi city, Vietnam
Authors: Nguyen Thanh Cong , Nguyen Hang Dieu , Le Hoa Thu , Kaneko Shinji 
Published: July 2021

PurposeThis purpose of this paper is to understand residents’ choice of preferred measures and their willingness-to-pay (WTP) for the measures to improve the air quality of Hanoi city.Design/methodology/approachQuestionnaire surveys were conducted to collect the opinions of 212 household representatives living in Hanoi City. The survey tools were tested and adjusted through an online survey with 191 responses. Multivariate probit and linear regression models were used to identify determinants of respondents’ choices of measures and their WTP.FindingsRespondents expressed their strong preferences for three measures for air quality improvements, including: (1) increase of green spaces; (2) use of less polluting fuels; (3) expansion of public transportation. The mean WTP for the implementation of those measures was estimated at about 148,000–282,000 Vietnamese dong, equivalent to 0.09–0.16% of household income. The respondents’ choices appear to be consistent with their characteristics and needs, such as financial affordability, time on roads and their perceived impacts of air pollution. The WTP estimates increase with perception of air pollution impacts, time on roads, education and income; but are lower for older people.Practical implicationIncrease of green spaces can be the measure to which policy makers should pay more attention. The match-up of residents needs and well-informed plans will be an important key to success.Originality/valueThis appears to be the first attempt to test the validity of public opinions on choices of measures for improving urban air quality in Vietnam. Our WTP estimates also contribute to the database on the values of improved air quality in the developing world.
Understanding the dynamics of cost overrun triggers in highway infrastructure projects in Nigeria: a systems thinking modelling approach
Authors: Mahmud Abba Tahir , Ogunlana Stephen O. , Hong W.T. 
Published: July 2021

Purpose
Empirical evidence suggests that many triggers influence poor cost performance in highway projects, whereas previous studies about the cost overrun triggers stem from a positivist standpoint supported by conventional statistical techniques, thus disregarding the sophisticated interactions and overall dynamics of the triggers. This study contends for a paradigm shift in investigating and understanding cost overrun triggers by adopting a holistic perspective through the lens of system thinking. This study aims to contend for a paradigm shift in investigating and understanding cost overrun triggers by adopting a holistic perspective through the lens of system thinking.

Design/methodology/approach
Semi-structured interviews with industry stakeholders in Nigeria were conducted buttressed by textual data from literature sources and project documents. Data analysis based on a developed data compatible coding framework and causal relations from textual data sources was used to develop a causal loop diagram depicting the interactions of the triggers which were validated by experts.

Findings
The analysis of the causal loop diagrams (CLDs) allowed identification of action points used to suggest changes for improved cost-effective highway project delivery. Among the suggested interventions are ensuring the provision of adequate funding prior to contract award will result in timely delivery of projects and indeed delivering key projects at the contractual agreed budget. This can be achieved through ensuring strict adherence to the provisions of Section 4 (2) (b) of the Nigerian Public Procurement Act, 2007 which stipulates that no contract should be awarded if funds are not available from the onset.

Research limitations/implications
The study was limited to only highway infrastructure projects in Nigeria and as such caution must be taken before using the outcome of the study to other context within Nigeria and beyond.

Practical implications
From a practical point of view, the causal model demonstrates that this study is capable of being used to make pragmatic decisions regarding policy leverages about improving cost performance in highway projects provision in the Nigerian highway infrastructure sector of the construction industry. Moreover, it will aid a clear understanding of the key influencing triggers of cost overrun by the relevant stakeholders within the highway sector of the industry.

Originality/value
The hybrid-based approach applied in the development of CLDs in this study is expected to provide new insight into understanding the linkages, interactions, feedbacks and processes among the key cost overrun triggers and suggesting leverages for cost performance improvement within the philosophy of system thinking.
Whom to serve? Exploring the moral dimension of servant leadership: answers from operation Valkyrie
Authors: Langhof Jan G. , Gueldenberg Stefan 
Published: July 2021

PurposeThe article aims at examining the ethical limits and risks of servant leadership. During the Second World War, the German army officer Colonel Claus von Stauffenberg is a loyal servant to his nation and homeland. But when he learns about the Nazis’ mass murders and crimes, he begins to have doubts about whom he should serve. Being confronted with numerous moral dilemmas, he finally decides to join a resistance group. Of course, Stauffenberg's situation as colonel and leader was an extreme case. Time and again, however, managers and leaders are faced with similar dilemmas. Indeed, the current COVID-19-crisis shows that even today’s leaders are repeatedly faced with almost insoluble dilemmas. The recent literature about ethics and leadership suggests a philosophy which is almost portrayed as a panacea to any ethical issues: servant leadership (SL). This study, however, questions the commonly held view that SL is always ethical. The purpose of our historical case study is twofold. First, this study explores the ethical challenges Stauffenberg (and other officers) faced and how they dealt with them. Second, this study elaborates on what responses (if any) SL would provide to these challenges.Design/methodology/approachThe applied method is a historical case study, in which the authors draw on a plethora of secondary literature, including books, reports, and articles.FindingsBy analyzing the historical case of “Operation Valkyrie,” this study elaborated and identified risks and limitations of SL and pointed out ways to address these risks. In particular, SL poses risks in the case of a too narrow understanding of the term “service.”Originality/valueWhile other leadership styles, e.g. transformational leadership or charismatic leadership, have been extensively studied with regard to ethical risks, in the case of SL possible risks and limitations are still largely unexplored.
Health-oriented leadership as a job resource: can staff care buffer the effects of job demands on employee health and job satisfaction?
Authors: Krick Annika , Felfe Jörg , Pischel Sarah 
Published: July 2021

PurposeDrawing upon the job-demands resources and the job demands-control-support model, the authors examined the buffering effect of health-oriented leadership (HoL) in terms of staff care on the relationship between job demands and employee health and job satisfaction.Design/methodology/approachCross-sectional data from two studies (N1 = 314 and N2 = 260) were analyzed using moderation analyses.FindingsStudy 1 showed that staff care mitigates the effect of job demands on strain and health complaints. Study 2 found that staff care also buffered the effect of job demands on general health and job satisfaction.Practical implicationsParticularly under high job demands, staff care is an important resource for employees' health and satisfaction. Organizations should promote leaders' staff care.Originality/valueFindings provide further evidence for the beneficial role of leaders in terms of HoL.
Ethical leadership and employee information security policy (ISP) violation: exploring dual-mediation paths
Authors: Xue Botong , Xu Feng , Luo Xin , Warkentin Merrill 
Published: July 2021

PurposeA growing number of studies have investigated the effect of ethical leadership on behavioral outcome of employees. However, considering the important role of ethics in IS security, the security literature lacks a theoretical and empirical investigation of the relationship between ethical leadership and employees' security behavior, such as information security policy (ISP) violation. Drawing on social learning and social exchange theories, this paper empirically tests the impact of ethical leadership on employees' ISP violation intention through both information security climate (i.e. from a moral manager's perspective) and affective commitment (i.e. from a moral person's perspective).Design/methodology/approachThe research was developed based on social learning theory and social exchange theory. To measure the variables in the model, the authors used and adapted measurement items from previous studies. The authors conducted a scenario-based survey with 339 valid responses to test and validate the research model.FindingsResults indicated that information security climate fully mediates the relationship between ethical leadership and ISP violation intention. The authors also found that information security climate enhances the negative effect of affective commitment on ISP violation intention.Originality/valueThis research contributes to the literature of information security by introducing the role of ethical leadership and integrating two theories into our research model. This study also calls attention to how information security climate and affective commitment mediate the relationship between ethical leadership and employees' ISP violation intention. The theory-driven study provides important pragmatic guidance for enhancing the understanding of the importance of ethical leadership in information systems security research.
Recent advances of high entropy alloys for aerospace applications: a review
Authors: Dada Modupeola , Popoola Patricia , Mathe Ntombi 
Published: July 2021

Purpose
This study aims to review the recent advancements in high entropy alloys (HEAs) called high entropy materials, including high entropy superalloys which are current potential alternatives to nickel superalloys for gas turbine applications. Understandings of the laser surface modification techniques of the HEA are discussed whilst future recommendations and remedies to manufacturing challenges via laser are outlined.

Design/methodology/approach
Materials used for high-pressure gas turbine engine applications must be able to withstand severe environmentally induced degradation, mechanical, thermal loads and general extreme conditions caused by hot corrosive gases, high-temperature oxidation and stress. Over the years, Nickel-based superalloys with elevated temperature rupture and creep resistance, excellent lifetime expectancy and solution strengthening L12 and γ´ precipitate used for turbine engine applications. However, the superalloy’s density, low creep strength, poor thermal conductivity, difficulty in machining and low fatigue resistance demands the innovation of new advanced materials.

Findings
HEAs is one of the most frequently investigated advanced materials, attributed to their configurational complexity and properties reported to exceed conventional materials. Thus, owing to their characteristic feature of the high entropy effect, several other materials have emerged to become potential solutions for several functional and structural applications in the aerospace industry. In a previous study, research contributions show that defects are associated with conventional manufacturing processes of HEAs; therefore, this study investigates new advances in the laser-based manufacturing and surface modification techniques of HEA.

Research limitations/implications
The AlxCoCrCuFeNi HEA system, particularly the Al0.5CoCrCuFeNi HEA has been extensively studied, attributed to its mechanical and physical properties exceeding that of pure metals for aerospace turbine engine applications and the advances in the fabrication and surface modification processes of the alloy was outlined to show the latest developments focusing only on laser-based manufacturing processing due to its many advantages.

Originality/value
It is evident that high entropy materials are a potential innovative alternative to conventional superalloys for turbine engine applications via laser additive manufacturing.
Comparative study of the effect of crushed dune sand and limestone fillers on mortar properties in aggressive environment
Authors: Logbi Abdelaziz , Mani Mohamed , Choungara Toufik , Kriker Abdelouahed 
Published: July 2021

Purpose
This paper aims to study the effect of mineral additions on the mortars’ physical, mechanical and durability properties. Two local mineral additions, considered inert, are chosen: limestone fillers from North-East of Algeria and natural dune sand from Algerian desert areas.

Design/methodology/approach
Two local additions are finely crushed to a fineness greater or equal to that of the used cement and incorporated into the mortars with predetermined rates; (0, 10%, 15% and 20%) compared to the cement weight to examine their effects on the mortars’ properties at different ages. Two conservation environments are chosen: freshwater as a neutral area and rising water table as an aggressive area to appreciate the effect of the two additions on physical and mechanical properties and durability.

Findings
The results showed the beneficial effect of these additions on compactness, mechanical resistance and durability toward the rising water table. The results have also allowed us to make an experimental comparison between the limestone addition which is commonly used in the Algerian cement industry and the dune sand, which is not yet well explored and exploited.

Originality/value
The added value of this study is the use of crushed dune sand which is a local addition of southern Algeria for improving the resistance of mortars and concrete toward the aggressiveness of rising water table which presents a major problem for the infrastructure of civil and public construction.
Cross‐lags and the unbiased estimation of life‐history and demographic parameters
Authors: van de Pol Martijn , Brouwer Lyanne 
Published: July 2021

AbstractBiological processes exhibit complex temporal dependencies due to the sequential nature of allocation decisions in organisms' life cycles, feedback loops and two‐way causality. Consequently, longitudinal data often contain cross‐lags: the predictor variable depends on the response variable of the previous time step. Although statisticians have warned that regression models that ignore such covariate endogeneity in time series are likely to be inappropriate, this has received relatively little attention in biology. Furthermore, the resulting degree of estimation bias remains largely unexplored.We use a graphical model and numerical simulations to understand why and how regression models that ignore cross‐lags can be biased, and how this bias depends on the length and number of time series. Ecological and evolutionary examples are provided to illustrate that cross‐lags may be more common than is typically appreciated and that they occur in functionally different ways.We show that routinely used regression models that ignore cross‐lags are asymptotically unbiased. However, this offers little relief, as for most realistically feasible lengths of time‐series conventional methods are biased. Furthermore, collecting time series on multiple subjects—such as populations, groups or individuals—does not help to overcome this bias when the analysis focusses on within‐subject patterns (often the pattern of interest). Simulations, a literature search and a real‐world empirical example together suggest that approaches that ignore cross‐lags are likely biased in the direction opposite to the sign of the cross‐lag (e.g. towards detecting density dependence of vital rates and against detecting life‐history trade‐offs and benefits of group living). Next, we show that multivariate (e.g. structural equation) models can dynamically account for cross‐lags, and simultaneously address additional bias induced by measurement error, but only if the analysis considers multiple time series.We provide guidance on how to identify a cross‐lag and subsequently specify it in a multivariate model, which can be far from trivial. Our tutorials with data and R code of the worked examples provide step‐by‐step instructions on how to perform such analyses.Our study offers insights into situations in which cross‐lags can bias analysis of ecological and evolutionary time series and suggests that adopting dynamical models can be important, as this directly affects our understanding of population regulation, the evolution of life histories and cooperation, and possibly many other topics. Determining how strong estimation bias due to ignoring covariate endogeneity has been in the ecological literature requires further study, also because it may interact with other sources of bias.
Changes in soil bacteria functional ecology associated with Morchella rufobrunnea fruiting in a natural habitat
Authors: Orlofsky Ezra , Zabari Limor , Bonito Gregory , Masaphy Segula 
Published: July 2021

SummaryMorchella rufobrunnea is a saprobic edible mushroom, found in a range of ecological niches, indicating nutritional adjustment to different habitats and possible interaction with soil prokaryotic microbiome (SPM). Using the 16S rRNA gene, we examined the SPM of M. rufobrunnea that appeared in a natural habitat in Northern Israel. Three sample types were included: bare soil without mushroom, soil beneath young mushroom initials and soil beneath the mature fruiting body. Morchella rufobrunnea developmental stage was significantly associated with changes in bacterial populations (PERMANOVA, p < 0.0005). Indicator analysis with point‐biserial correlation coefficient found 180 operational taxonomic units (OTU) uniquely associated with distinct stages of development. The Functional Annotation of Prokaryotic Taxonomy (FAPROTAX) database helped to infer ecological roles for indicator OTU. The functional ecological progression begins with establishment of a photoautotrophic N‐fixing bacterial mat on bare soil. Pioneer heterotrophs including oligotrophs, acidifying nutrient mobilizers and nitrifiers are congruent with appearance of young M. rufobrunnea initials. Under the mature fruiting body, the population changed to saprobes, organic‐N degraders, denitrifiers, insect endosymbionts and fungal antagonists. Based on this work, M. rufobrunnea may be able to influence SPM and change the soil nutritional profile.