bluuebunny/crossref_metadata_2025 huggingface dataset:
Supramolecular architecture in azaheterocyclic phosphonates. III. Structures of an ethyl phosphonamidate and an ethyl phosphonate
Authors: Pietrzak Anna , Modranka Jakub , Wojciechowski Jakub , Janecki Tomasz , Wolf Wojciech M.
Published: July 2018

The novel crystal structures of ethyl (S)-P-(4-oxo-4H-benzo[4,5]thiazolo[3,2-a]pyrimidin-3-yl)-N-[(R)-1-phenylethyl]phosphonamidate, C20H20N3O3PS, I, and diethyl (4-isopropyl-2-oxo-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidin-3-yl)phosphonate, C18H25N2O4PS, II, were characterized by X-ray diffraction analysis. The crystal packing of I is dominated by two infinite stacks composed of symmetry-independent molecules linked by distinctively different hydrogen-bond systems. The structure of II shows a ladder packing topology similar to those observed in related phosphorylated azaheterocycles. Structural studies are supplemented by calculations on the interactions stabilizing the molecular assemblies using the PIXEL method. Additionally, fingerprint plots derived from the Hirshfeld surfaces were generated for each structure to characterize the crystal packing arrangements in detail. The aromaticities of the heterocyclic moieties have been investigated using HOMA and HOMHED parametrization and compared with structures reported previously.
Crystal structures of dimethyl 5-iodoisophthalate and dimethyl 5-ethynylisophthalate
Authors: Hauptvogel Ines , Seichter Wilhelm , Weber Edwin
Published: July 2018

In dimethyl 5-iodoisophthalate, C10H9IO4, (I), the planes through the methyl carboxylate moieties are tilted with respect to the benzene ring, whereas the molecular framework of dimethyl 5-ethynylisophthalate, C12H10O4, (II), is perfectly planar. The crystal structure of (I) is stabilized by a three-dimensional supramolecular network comprising C—H...O=C hydrogen bonds, as well as I...O=C interactions. In the crystal of (II), the molecules are connected via C—Hethynyl...O=C hydrogen bonds to infinite strands. Moreover, π–π arene stacking interactions connect the molecular chains into two-dimensional supramolecular aggregates.
Openness to participating in a victim-offender conference
Authors: Paul Gregory Dennis , Schenck-Hamlin William J.
Published: July 2018

Purpose

This paper aims to use the theory of planned behavior to evaluate factors that influence openness to participating in a victim-offender conference (VOC).

Design/methodology/approach

Consistent with theory of planned behavior recommendations, the study uses a vignette-based design to assess participation openness as willingness to participate in a VOC if they were victims of a property crime. It evaluates the goodness of fit of a hypothesized structural model of participation openness to the data and the utility of a theory of planned behavior model as opposed to simply an outcome-driven model.

Findings

Findings from a hierarchical linear regression illustrate that a theory of planned behavior model explains a greater percentage of participation willingness than does an outcome-driven model. Analysis using structural equation modeling suggests that participation openness is largely a function of subjective norms, anticipated affect and anticipated outcomes.

Research limitations/implications

Limitations spring largely from sampling method and research design. Research implications pertain to the utility of theory of planned behavior in expanding research of VOC participation openness to include not only outcomes but also relational and contextual factors.

Practical implications

The manuscript identifies several implications for training facilitators, talking with prospective VOC participants and advocating for restorative justice programs.

Originality/value

Use of the theory of planned behavior as a lens for understanding openness to VOC participation gives researchers and practitioners a wider and more nuanced understanding of why people would generally be willing to participate in a VOC if they were the victim of an offense.
Supply chain resilience: a dynamic and multidimensional approach
Authors: Adobor Henry , McMullen Ronald S.
Published: July 2018

Purpose

The purpose of this paper is to present a conceptual framework on resilience types in supply chain networks.

Design/methodology/approach

Using a complex adaptive systems perspective as an organizing framework, the paper explores three forms of resilience: engineering, ecological and evolutionary and their antecedents and links these to four phases of supply chain resilience (SCRES): readiness, response, recovery, growth and renewal.

Findings

Resilient supply chains need all three forms of resilience. Efficiency and system optimization approaches may promote quick recovery after a disruption. However, system-level response requires adaptive capabilities and transformational behaviors may be needed to move supply chains to new fitness levels after a disruption. The three resilience types discussed are not mutually exclusive, but rather complement each other and there are synergies and tradeoffs among these resilience types.

Research limitations/implications

The empirical validation of the theoretical propositions will open up new vistas for supply chain research. Possibilities exist for analyzing and assessing SCRES in multiple and more comprehensive ways.

Practical implications

The findings of the research can help managers refine their approaches to managing supply chain networks. A more balanced approach to supply chain management can reduce the risks and vulnerabilities associated with supply chain disruptions.

Originality/value

This study is unique as it conceptualizes SCRES in multiple ways, thereby extending our understanding of supply chain stability.
Translating participatory budgeting in Russia: the roles of inscriptions and inscriptors
Authors: Aleksandrov Evgenii , Timoshenko Konstantin
Published: July 2018

Purpose

The purpose of this paper is to explore how participatory budgeting (PB) as a democratic governance tool has been translated within the Russian public sector by addressing the local specifics of its design and mobilization through the formation of networks.

Design/methodology/approach

The paper is based on a case study of one pioneering municipality. Data have been gathered through triangulation of interviews, document search, video and netnographic observations. By relying on ideas from actor–network theory, the study focuses on the relational and rhetorical work of human (allies/inscriptors) and non-human (inscriptions) actors involved in the development of PB in Russia.

Findings

The findings indicate that the initial democratic values of PB underwent several stages of translation as a continuous inscription-building process and the formation of networks. The main finding is that putting democratic idea(l)s of PB into practice proved problematic, since PB depended on many “allies” which were not always democratic. Paradoxically, in order to launch democratic practices in Russia, PB relied largely on bureaucratic and even New Public Management inscriptions, which it was originally supposed to fight against. Notwithstanding, while these inscriptions can fog the democratic values of PB, they are also capable of uncovering its democratic potential over time, albeit not for a long time as the “external referee” is needed.

Originality/value

The paper juxtaposes PB development in Russia with the translation literature. Not only does the study emphasize the role of human, but non-human actors as well.
Boundary objects for institutional work across service ecosystems
Authors: Sajtos Laszlo , Kleinaltenkamp Michael , Harrison Julie
Published: July 2018

Purpose

Institutional arrangements for collaborative purposes have gained increasing attention within research on service ecosystems. For collaborations to be effective, actors need to undertake institutional work that will result in new institutional arrangements. When institutional work takes place across service ecosystems, actors may be confronted with non-harmonious or conflicting institutional arrangements, which need to be reconciled by translating the incompatible views of diverse ecosystems. Therefore, the purpose of this paper is to introduce the concept of boundary objects as a means of facilitating institutional work across ecosystems, and present their mechanism in undertaking institutional work.

Design/methodology/approach

Longitudinal qualitative interviews were conducted with three key actors (funding agency, service provider and clinicians) in providing home-based support services (HBSS). The data were analyzed by undertaking a thematic analysis of the transcripts, which helped to identify the actors’ views on the nature of HBSS and its impact as a boundary object within the implementation of the case-mix system, and thus to empirically illustrate the theoretical assumptions.

Findings

The data assisted in the creation of a conceptualization that maps out the process of boundary objects facilitating (disrupting and creating) institutional work. This study supports that boundary objects disrupt boundaries between actors’ ecosystems, which was a sufficient condition to dismantle institutional support for the practices of individual fields. Furthermore, the object has changed the type and extent of interaction between actors in an ecosystem to allow these actors to redefine their identity and role in the new institutional arrangement.

Originality/value

This work has developed a novel conceptualization for a boundary object-led translation process in facilitating institutional work. To the researchers’ knowledge, this is the first study to explore the processes and mechanisms of boundary objects in facilitating institutional work across ecosystems.
Game-changers: dynamic capabilities’ influence on service ecosystems
Authors: Nenonen Suvi , Gummerus Johanna , Sklyar Alexey
Published: July 2018

Purpose

Service-dominant logic acknowledges that actors can influence how service ecosystems evolve through institutional work, but empirical research is only nascent. This paper advances understanding of ecosystem change by proposing that dynamic capabilities are a special type of operant resources enabling actors to conduct institutional work. Consequently, the purpose of this paper is to explore which dynamic capabilities are associated with proactively influencing service ecosystems.

Design/methodology/approach

Drawing on service-dominant logic, institutional work and dynamic capabilities, this exploratory study assumes an actor-centric perspective and proposes a conceptual model with a hierarchy of dynamic capabilities as the antecedents for successfully influencing service ecosystems. The research model was tested with survey data using partial least squares structural equation modeling.

Findings

Among the dynamic capabilities studied, “visioning” and “influencing explicit institutions” directly affect “success in influencing service ecosystems,” whereas “timing” does so indirectly through “influencing explicit institutions.” The other dynamic capabilities studied have no significant effect on “success in influencing service ecosystems.” “Success in influencing service ecosystems” positively affects the “increased service ecosystem size and efficiency.”

Practical implications

In addition to reactively positioning and competing at the marketplace, firms can choose to proactively influence their service ecosystems’ size and efficiency. Firms aiming to influence service ecosystems should particularly develop dynamic capabilities related to visioning, timing and influencing explicit institutions.

Originality/value

This research is the first service-dominant logic investigation of the linkage between the actors’ dynamic capabilities and their ability to influence service ecosystems.
A systemic logic for platform business models
Authors: Fehrer Julia A. , Woratschek Herbert , Brodie Roderick J.
Published: July 2018

Purpose

The purpose of this paper is to introduce a new business model logic, highlighting value processes in and properties of platform business models to inform business model thinking from a systemic and dynamic perspective. It challenges the idea of firms managing, influencing and controlling entire activity systems.

Design/methodology/approach

The study traces the evolution of different approaches to business models and assesses theories that explain value cocreation and systemic value capture to develop a new business model logic.

Findings

Business model thinking has evolved away from Porter’s value chain to a new logic based on open networks and platforms. This study develops a framework for understanding platform business models from a systemic perspective. Derived from service-dominant logic, this new business model logic responds to phenomena in contemporary business environments characterized by increasing connectivity and sociality among actors.

Research limitations/implications

The framework, developed from an extensive body of business model literature, has yet to be subjected to empirical investigation. Future research may involve the exploration of business model design processes and business model innovation from a systemic perspective.

Practical implications

Managers who aim to design their business models based on the logic of platform businesses require an understanding of their organization’s collaboration potential, technological interfaces and potential to leverage network relationships. This research guides start-ups and incumbents to evaluate their platform potential.

Originality/value

This study systematically emancipates the business model logic from a firm-centered, inside-out perspective, focuses on network relationships beyond the customer–firm dyad, explains value processes beyond organizational borders and rethinks value capture from a systemic perspective.
How price fairness and fit affect customer tariff evaluations
Authors: Leinsle Philipp , Totzek Dirk , Schumann Jan Hendrik
Published: July 2018

Purpose

Promotional cues related to notions of fair prices or pricing designed to fit consumers’ needs are prevalent for many service offers. The purpose of this paper is to investigate how both customers’ price fairness and idiosyncratic fit perceptions shape their tariff evaluations.

Design/methodology/approach

Two experimental studies involving different tariff types and service contexts test the complex interplay of customers’ perceived price fairness and idiosyncratic fit with customer and context characteristics on their tariff evaluations.

Findings

Customers judge tariffs drawing on both the perceived price fairness and idiosyncratic fit, driven by the perceived price level of the tariff and the perceived pricing transparency of the firm. Customers’ service usage and consumption goals moderate these effects: heavy users and hedonic consumers indicate lower price sensitivity while focusing more on their transparency perception. The role of perceived price fairness and idiosyncratic fit for tariff choice depends on the tariff/service context; idiosyncratic fit is important when it is incidental (e.g. flat rates) rather than intentional (i.e. customized tariffs) and when customers lack the expertise or confidence to evaluate price fairness such as in the case of relatively new services.

Originality/value

Prior studies focused on either price fairness or idiosyncratic fit and thus cannot fully explain the complex interplay between both in the context of tariff choice. This paper explicates the conditions that affect the relative importance of both concepts and under which incidental offers are better received than premeditated ones.
Is profit sharing good for the environment? Positive evidence from French firms
Authors: Fakhfakh Fathi , FitzRoy Felix
Published: July 2018

Purpose

The purpose of this paper is to look at the effect of profit sharing (PS) on the ability of the firm to take care of the environment.

Design/methodology/approach

In a large cross-section of French firms, the authors find strong associations between PS and various innovations with environmental benefits. With cross-sectional data from the Community Innovation Survey and FARE, the authors estimate simultaneous equations for these effects, with endogenous PS.

Findings

This relationship between PS and environmental innovation is plausible, since workers benefit more than outside owners from a better local environment. To the best of the authors’ knowledge, this paper provides the first empirical evidence, so the results suggest PS supports environmental policy, in addition to its other, better known incentive benefits.

Research limitations/implications

Further studies, using panel data, are needed.

Practical implications

Financial participation may be considered as an additional tool to protect the environment.

Originality/value

This is the first paper looking at the impact of PS on the ability of the firm to take care of the environment. In this critical period when policy makers are searching for ways to limit global warming and protect the environment, the authors have presented here the first evidence that financial participation helps to support these policies.
Developing a measurement instrument of knowledge management implementation in the Iranian oil industry
Authors: Ghasemi Behzad , Valmohammadi Changiz
Published: July 2018

Purpose

The purpose of this paper is to develop a measurement instrument toward knowledge management (KM) implementation in the Iranian oil industry.

Design/methodology/approach

Based on an in-depth study of the relevant literature, the critical success factors (CSFs) related to the sub-factors were identified. Then, exploratory and confirmatory factor analysis was used to validate the instrument. Finally, based on the developed instrument, the KM implementation was evaluated in the subsidiaries of the Iranian oil industry.

Findings

The obtained results reveal the 13 factors as follows: human resource management; KM processes; information technology; business strategy; intellectual capital; KM system; executive practices of KM; management information system; culture; partnership and cooperation with business partners; KM road map; leadership commitment and support; and organizational environment.

Research limitations/implications

As this study was conducted in the Iranian oil industry, cautious should be taken regarding the generalizability of the results.

Practical implications

The proposed instrument can help policymakers and top managers of the subsidiaries of Iranian oil industry in successful implementation and measurement of their KM practices.

Originality/value

Identification and measurement of the CSFs of KM implementation through developing a comprehensive instrument in the context of the Iranian oil industry.
Unexpected consequences in the operation of urban environments
Authors: Pérez-delHoyo Raquel , Andújar-Montoya María Dolores , Mora Higinio , Gilart-Iglesias Virgilio
Published: July 2018

Purpose

The purpose of this paper is to study the unexpected consequences in the operation of urban environments. Prediction within the urban planning process often presents difficulties and unintended consequences. It is not enough to develop a good project. Unexpected consequences are possible because of the environment. The authors argue that these problems of uncertainty can be minimized with citizen participation and the use of new technologies.

Design/methodology/approach

The problem of how urban planning initiatives result in unexpected consequences is described. These effects are determined by studying a series of cities and real urban environments. A case study on urban accessibility is developed for a better understanding of the problem.

Findings

Avoiding unexpected consequences in the operation of urban environments is strongly linked to the concept of Smart City 3.0. This concept is based on the co-creation. In this line to address the problem, a citizen-centric methodology using the latest information and communications technologies and internet of things technologies is presented. As a practical application, different categories of unexpected events related to the Faculty of Education building at the University of Alicante have been identified as a consequence of the impact of its environment. An uncomfortable or non-accessible environment causes unforeseen behaviour of individuals.

Originality/value

There are no analytical tools to investigate how aspects of the urban environment cause uncertainty about the acceptance of projects by future citizen users. This work takes a step forward in that direction.
Researches status and trends of management cybernetics and viable system model
Authors: Vahidi Amin , Aliahmadi Alireza , Teimoury Ebrahim
Published: July 2018

Purpose

This paper reviews the underpinning principles and scientific trends of cybernetics and the viable system model (VSM). Therefore, this paper aims to guide authors and managers active in management cybernetics and to inform them about the past, current and future trends in this discipline.

Design/methodology/approach

This paper adopts both qualitative and quantitative methods. First, a descriptive and qualitative approach is used to review and analyze management cybernetics historical trends. Then, a frequency analysis (quantitative) is conducted on the 1,000 first publications in the field.

Findings

The cybernetics was emerged in the Josiah Macy conference in 1946. Then, Wiener introduced the field of cybernetics and Ashby, Von Foerster and McCulloch developed this concept as a discipline. The Management cybernetics field that was introduced by Beer is a combination of system, control and management sciences. Beer presented VSM as an operational model in this area. Analyzing the 1,000 top-ranked publications shows that the introduction of this field reached maturity and further development became relatively mature. Moreover, based on the analyzed trends, VSM model application can now be strongly attractive. In this paper, the main journals, authors and research trends are analyzed. The main application area of this model is in the IT field and large-scale organizations.

Practical implications

The present paper’s implication for practitioners and researchers is guiding authors and managers to most appropriate studies in the field, so that they can produce and use the most efficient studies in this field.

Social implications

The fields of IT, Policy-Making, Production, Social Issues, Service industry, Software developers, etc., are some of this paper’s implications for industry and society.

Originality/value

In this paper, the steps of VSM development are investigated. Then, recent trends (classifications, authors, journals and topics analysis) are surveyed by analyzing the top 1,000 publications in this field. This paper would help researchers find more appropriate research fields. In addition, it helps practitioners find the optimum solutions based on management cybernetics for their problems among vast numbers of publications.
The antecedents of tourist repeat visit intention: systemic approach
Authors: Perovic Ðurdica , Moric Ilija , Pekovic Sanja , Stanovcic Tatjana , Roblek Vasja , Pejic Bach Mirjana
Published: July 2018

Purpose

Contemporary tourism product, in terms of its systemic understanding, consists of tangible and intangible elements. These two elements lead to the increase of tourist satisfaction in a way to provide tourism products and services that match tourist expectations. Finally, tourist satisfaction is considered as a key factor influencing repeat visit intention. In line with mentioned, this study aims to empirically test a model linking tangible and intangible elements, tourist satisfaction and revisit intention.

Design/methodology/approach

Using data from the Montenegrin survey called Guest Survey 2010, structural equations modelling has been used to determine the impact of tangible and intangible constructs on tourist satisfaction and tourist repeat visit intention in Montenegro.

Findings

Working on a sample of 740 tourists, the results reveal that both tangible and intangible elements improve tourist satisfaction that influences tourist repeat visit intention. Noteworthy, the findings indicate that intangible elements have a stronger impact on tourist satisfaction than tangible elements have.

Practical implications

Tangible and intangible elements as factors of satisfaction are analysed and evaluated so that they could be improved in a way that provides superior experience to tourists, which hopefully could result in repeat visitation that is considered as a tool for boosting destination competitiveness, thus indicating the need for the systemic approach to tourism management.

Originality/value

This paper extends earlier tourism research by empirically analysing separately both tangible and intangible elements and their association with repeat visitation that is mediated by the tourist satisfaction. Therefore, a more holistic approach relating the antecedents of tourist repeat visit intention is proposed.
Influence of personality traits on open access mode of publishing
Authors: Gul Sumeer , Mahajan Iram , Shah Tariq Ahmad , Nisa Nahida Tun , Ahmad Suhail , Shafiq Huma , Shueb Sheikh , Hussain Aabid
Published: July 2018

Purpose

The purpose of this paper is to assess the influence of personality traits on perception and acceptance of open access (OA) mode of publishing by the author community of University of Kashmir, India. The study is an attempt to highlight the relationship between personality traits of authors and OA mode of publishing.

Design/methodology/approach

The study is based on the responses of 48 faculty members affiliated with different Departments of Science Discipline of University of Kashmir. Big Five personality traits (extraversion, agreeableness, conscientiousness, emotional stability and openness to experience) were tapped through ten-item personality inventory, and information regarding OA was gauged through six self-devised statements.

Findings

Pearson correlation test confirms statistically significant relation between personality traits and different dimensions of OA mode of publishing. Personality traits are found to have an influence on author’s perception of OA mode of publishing. However, the study could not ascertain any relation between the notions of an author about the quality of OA content with any of the personality traits. Emotionally stable authors are found to explicitly submit their work in OA journals without any anxiety or negativity. Agreeable and conscientious authors also prefer to keep their work open to make it helpful to the broader audience and get maximum recognition from peers and citations to their work respectively. However, some authors (agreeable) hesitate in submitting their work in open platforms due to the fear of getting their works easily copied.

Originality/value

The study is first of its kind highlighting a new dimension in the field of OA and investigates the influence of personality traits on author’s attitude towards open mode of publishing.
Why Singapore works: five secrets of Singapore’s success
Authors: Quah Jon S.T.
Published: July 2018

Purpose

The purpose of this paper is to explain why Singapore is a success story today despite the fact that its prospects for survival were dim when it became independent in August 1965.

Design/methodology/approach

This paper describes the changes in Singapore’s policy context from 1959 to 2016, analyses the five factors responsible for its success and concludes with advice for policy makers interested in implementing Singapore-style reforms to solve similar problems in their countries.

Findings

Singapore’s success can be attributed to these five factors: the pragmatic leadership of the late Lee Kuan Yew and his successors; an effective public bureaucracy; effective control of corruption; reliance on the “best and brightest” citizens through investment in education and competitive compensation; and learning from other countries.

Originality/value

This paper will be useful to those scholars and policy makers interested in learning from Singapore’s success in solving its problems.
Modelling walking and cycling accessibility and mobility
Authors: Nourian Pirouz , Rezvani Samaneh , Valeckaite Kotryna , Sariyildiz Sevil
Published: July 2018

Purpose

The most sustainable forms of urban mobility are walking and cycling. These modes of transportation are the most environmental friendly, the most economically viable and the most socially inclusive and engaging modes of urban transportation. To measure and compare the effectiveness of alternative pedestrianization or cycling infrastructure plans, the authors need to measure the potential flows of pedestrians and cyclists. The paper aims to discuss this issue.

Design/methodology/approach

The authors have developed a computational methodology to predict walking and cycling flows and local centrality of streets, given a road centerline network and occupancy or population density data attributed to building plots.

Findings

The authors show the functionality of this model in a hypothetical grid network and a simulated setting in a real town. In addition, the authors show how this model can be validated using crowd-sensed data on human mobility trails. This methodology can be used in assessing sustainable urban mobility plans.

Originality/value

The main contribution of this paper is the generalization and adaptation of two network centrality models and a trip-distribution model for studying walking and cycling mobility.
Developing a logic model to guide evaluation of impact for learning disability projects: the case of the Positive Behavioural Support (PBS) Academy
Authors: Scott Suzi J. , Denne Louise D. , Hastings Richard P.
Published: July 2018

Purpose

Measuring “impact” is an important aspect of the dissemination of evidence-based practice and relevant to all disciplines. However, it has only recently become a focus of enquiry and is not commonly directly researched within the learning disabilities field. The purpose of this paper is to describe the process of developing a logic model for the UK Positive Behavioural Support (PBS) Academy as part of an evaluation and impact study of its work to date.

Design/methodology/approach

Logic models are a visual representation of the relationship between a project’s resources, activities and outputs and identified outcomes, in relation to key stakeholder groups. This representation allows for key impact measures to be identified and can be a useful tool for evaluation purposes. The authors used the process outlined by McLaughlin and Jordan (1998) to develop a bespoke logic model for the PBS Academy.

Findings

The model was particularly helpful in making clear the distinction between output and impact, identifying impact criteria differentiated by stakeholder group and across time scales, and highlighting areas of activity that are needed to increase the impact of the work of the PBS Academy in the longer term.

Originality/value

In the absence of any generalised impact evaluation frameworks in the learning disabilities field, the authors suggest that logic models may provide a useful framework for evaluating the impact of policy, practice, and research interventions.
Hotels that most rely on Booking.com – online travel agencies (OTAs) and hotel distribution channels
Authors: Martin-Fuentes Eva , Mellinas Juan Pedro
Published: July 2018

Purpose

The purpose of this paper is to know which hotels mostly rely on Booking.com, investigating the level of presence on Booking.com around the world by country, hotel size, hotel category and managerial form. Neither the company nor the hotels provide this information, so the authors use the number of reviews as an indicator of estimated sales.

Design/methodology/approach

Data from 33,996 hotels worldwide are downloaded from Booking.com using a Web browser automatically controlled, developed in Python, that simulated a user navigation (clicks and selections). The comparison between independent hotels and hotels belonging to a chain is performed by a Student’s t distribution test and the comparison of hotel categories and hotel size is analyzed by a one-way ANOVA test.

Findings

The results show that three factors clearly influence the usage level of Booking.com: independent vs chain hotels, small vs large hotels and low vs high category hotels worldwide. The authors also observe that hotels from Europe are the ones that rely more on Booking.com.

Originality/value

The originality of this research is to identify the factors that make hotels to have a greater (lesser) dependence on Booking.com within each destination and geographical area. Moreover, the use of big data from hotels worldwide allows the authors to know the level of use of Booking.com in dozens of countries, especially those with the highest tourist activity. This work expands the capabilities of big data in the hospitality industry research, and with a simple ratio, this study counteracts the lack of public data on hotel sales through Booking.com. This new approach could be extended to the analysis of other online travel agencies (OTAs), which use similar review systems.
‘Female Heroes’: Celebrity Executives as Postfeminist Role Models
Authors: Adamson Maria , Kelan Elisabeth K.
Published: July 2018

This paper explores the significance of contemporary celebrity businesswomen as role models for women aspiring to leadership in business. We explore the kind of gendered ideals they model and promote to women through their autobiographical narratives, and analyse how these ideals map against a contemporary postfeminist sensibility to further understand the potential of these role models to redress the under‐representation of women in management and leadership. Our findings show that celebrity businesswomen present a role model that we call the ‘female hero’, a figure characterized by 3Cs: confidence to jump over gendered barriers; control in managing these barriers; and courage to push through them. We argue that the ‘female hero’ role model is deeply embedded in the contemporary postfeminist sensibility; it offers exclusively individualized solutions to inequality by calling on women to change themselves to succeed, and therefore has limited capacity to challenge the current gendered status quo in management and leadership. The paper contributes to current literature on role models by generating a more differentiated and socially situated understanding of distant female role models in business and extending our understanding of their potential to generate sustainable and long‐term change in advancing gendered change in management and leadership.
Wooden spoons and thromboprophylaxis in obstetrics
Authors: Thorp John
Published: July 2018

Deputy Editor‐in‐Chief, Dr John Thorp, discusses his top articles from this issue in an audio podcast available at: https://soundcloud.com/bjog/august-editors-choice-2018
Identification of differentially expressed immunity‐related genes in Monochamus alternatus Hope (Coleoptera: Cerambycidae) larvae parasitized by Dastarcus helophoroides (Fairmaire) (Coleoptera: Bothrideridae)
Authors: Li Xiao‐Juan , Dong Guang‐Ping , Fang Jian‐Min , Liu Hong‐Jian , Guo Wan‐Lin
Published: July 2018

The pine sawyer Monochamus alternatus Hope (Coleoptera: Cerambycidae) is a serious pest of several Pinus species, and the ectoparasitoid larvae of Dastarcus helophoroides (Fairmaire) (Coleoptera: Bothrideridae) is an important natural enemy of this pest. The transcriptome of M. alternatus larvae was sequenced using the Illumina platform and immunity‐related genes were specifically analyzed. De novo assembly resulted in the identification of 24 241 unigenes, with a mean length of 1122 bp, in unparasitized M. alternatus larvae and 23 807 unigenes, with a mean length of 1140 bp, for parasitized larvae. Removal of redundant unigenes resulted in 26 095 all‐unigenes, of which 16 959 (64.99%) showed clear homology with some of the known genes in the National Center for Biotechnology Information nr database. Parasitization had notable effects on the transcriptome profile of M. alternatus larvae. In all, 2702 genes were differentially expressed in M. alternatus larvae after parasitization, with 1491 (55.18%) upregulated and 1211 (44.82%) downregulated. Moreover, expression levels of immunity‐related genes in M. alternatus larvae were markedly altered in response to parasitization by D. helophoroides. In conclusion, the transcriptome profiling data, especially the discovered of immunity‐related genes, help illustrate the molecular mechanisms of parasitism between D. helophoroides and M. alternatus and provide new insights into developing immunity regulation‐mediated control methods of M. alternatus.
Monitoring of four major lepidopteran pests in Korean cornfields and management of Helicoverpa armigera
Authors: Kim Juil , Kwon Min , Park Ki Jin , Maharjanm Rameswor
Published: July 2018

Lepidopterans such as Helicoverpa armigera are emerging pests of corn in Korea, causing huge yield losses and deteriorating the quality of the corn crop. We monitored four major lepidopteran pests in major corn growing areas of Korea by employing sex pheromone traps from 2012 to 2015 to understand population dynamics. H. armigera, Ostrinia furnacalis, Spodoptera litura, Spodoptera exigua and Mythimna separata were collected from April to October. Among these species, H. armigera was found to be the main pest based on crop damage intensity (80–90% of the total damage). H. armigera was generally observed during the earing stage of corn and would migrate to other fields during September to October for overwintering. We also tested select insecticides against larvae of H. armigera in the laboratory. The most effective insecticide was indoxacarb, which was applied at specific times to manage H. armigera in cornfields. Optimal timing of spraying was estimated at about 70 days after planting (earing season) to control for H. armigera. Additionally, two species of parasitoid (Therion circumflexum and Ophioninae sp.) were identified from H. armigera. However, more extensive surveys are needed to organize a control program based on natural enemies.
Induced expression of three heat shock proteins mediated by thermal stress in Heortia vitessoides (Lepidoptera: Crambidae)
Authors: Cheng Jie , Wang Chun‐Yan , Lyu Zi‐Hao , Lin Tong
Published: July 2018

To gain an insight into the function of heat shock proteins (HSPs) in insects during thermal stress, three HSP cDNAs were identified in the transcriptome of adult Heortia vitessoides, one of the most destructive defoliating pests in Aquilaria sinensis (Loureiro) Sprenger forests. The open reading frames of HvHsp60, HvHsp70, and HvHsp90 were 1,719, 2,070, and 2,151 bp in length, respectively, and encoded proteins with molecular weights of 61.05, 75.02, and 82.23 kDa, respectively. Sequence analysis revealed that all three HSPs were highly conserved in structure. Regarding the stage‐specific expression profiles, HvHsp60, HvHsp70, and HvHsp90 mRNAs were detected in all developmental stages. Regarding the tissue‐specific expression profiles, the expression levels of the three HSP genes were different in various larval and adult tissues. Moreover, the expression patterns of heat‐stressed larvae, pupae, and adults indicated that HvHsp60, HvHsp70, and HvHsp90 were heat‐inducible. In particular, HvHsp60 transcripts increased dramatically in larvae and pupae that were heat‐stressed at 40°C and were upregulated in adults that were heat‐stressed at 35°C and 40°C. The expression of HvHsp70 significantly increased in all of the three different developmental stages at 35°C, 40°C, and 45°C. The expression of HvHsp90 obviously increased at 30°C, 35°C, and 40°C in larvae and could be induced at 35°C in pupae and adults. The results suggest that HSP60, HSP70, and HSP90 play a major role in protecting H. vitessoides against high‐temperature stress.
Coconut Milk and Coconut Oil: Their Manufacture Associated with Protein Functionality
Authors: Patil Umesh , Benjakul Soottawat
Published: July 2018

Coconut palm (Cocos nuciferaL.) is an economic plant cultivated in tropical countries, mainly in the Asian region. Coconut fruit generally consists of 51.7% kernel, 9.8% water, and 38.5% shell. Coconut milk is commonly manufactured from grated coconut meat (kernel). Basically, coconut milk is an oil‐in‐water emulsion, stabilized by some proteins existing in the aqueous phase. Maximization of protein functionality as an emulsifier can enhance the coconut milk stability. In addition, some stabilizers have been added to ensure the coconut milk stability. However, destabilization of emulsion in coconut milk brings about the collapse of the emulsion, from which virgin coconut oil (VCO) can be obtained. Yield, characteristics, and properties of VCO are governed by the processes used for destabilizing coconut milk. VCO is considered to be a functional oil and is rich in medium chain fatty acids with health advantages.
Scaling up DNA barcoding – Primer sets for simple and cost efficient arthropod systematics by multiplex PCR and Illumina amplicon sequencing
Authors: Krehenwinkel Henrik , Kennedy Susan R. , Rueda Alexandra , Lam Athena , Gillespie Rosemary G.
Published: July 2018

The simplicity and cost efficiency of Illumina amplicon sequencing has greatly contributed to the advancement of DNA barcoding and metabarcoding applications. However, current amplicon sequencing‐based barcoding approaches are usually restricted to short, single‐locus fragments, limiting their taxonomic and phylogenetic resolution.

Here, we establish a cost efficient and simple multiplex PCR protocol for arthropod systematics by Illumina amplicon sequencing. We introduce primer sets, including several new, generic primers, to reliably amplify nine loci across a wide range of arthropods. Using a diverse collection of arthropod species from 19 orders, we test loci for amplification efficiency and estimate the effect of cross‐species amplification bias on taxon recovery from bulk community samples. We then explore the taxonomic and phylogenetic utility of the primer sets, focusing on a dataset of spiders that includes both deep and recent divergences.

The set of loci provides good phylogenetic support across a wide taxonomic spectrum, making it a useful addition to COI for resolving lineages within a comparative context. All loci recover sequences for the majority of arthropod taxa in separate PCRs. However, cross‐species amplification bias in some primers prevents an exhaustive taxon recovery from bulk community samples.

Our protocol makes it possible to generate multilocus datasets for large numbers of arthropod taxa for a fraction of the price and workload of Sanger sequencing. This opens up the possibility for parallel phylogenetic and taxonomic analysis of large collections of arthropods, but also enables rapid exploratory analyses of target lineages. Primers for metabarcoding applications should be carefully evaluated for their performance in bulk community samples and chosen to minimize cross‐species amplification bias.
In vivo GDF3 administration abrogates aging related muscle regeneration delay following acute sterile injury
Authors: Patsalos Andreas , Simandi Zoltan , Hays Tristan T. , Peloquin Matthew , Hajian Matine , Restrepo Isabella , Coen Paul M. , Russell Alan J. , Nagy Laszlo
Published: July 2018

Tissue regeneration is a highly coordinated process with sequential events including immune cell infiltration, clearance of damaged tissues, and immune‐supported regrowth of the tissue. Aging has a well‐documented negative impact on this process globally; however, whether changes in immune cells per se are contributing to the decline in the body’s ability to regenerate tissues with aging is not clearly understood. Here, we set out to characterize the dynamics of macrophage infiltration and their functional contribution to muscle regeneration by comparing young and aged animals upon acute sterile injury. Injured muscle of old mice showed markedly elevated number of macrophages, with a predominance for Ly6Chigh pro‐inflammatory macrophages and a lower ratio of the Ly6Clow repair macrophages. Of interest, a recently identified repair macrophage‐derived cytokine, growth differentiation factor 3 (GDF3), was markedly downregulated in injured muscle of old relative to young mice. Supplementation of recombinant GDF3 in aged mice ameliorated the inefficient regenerative response. Together, these results uncover a deficiency in the quantity and quality of infiltrating macrophages during aging and suggest that in vivo administration of GDF3 could be an effective therapeutic approach.
Proper splicing contributes to visual function in the aging Drosophila eye
Authors: Stegeman Rachel , Hall Hana , Escobedo Spencer E. , Chang Henry C. , Weake Vikki M.
Published: July 2018

Changes in splicing patterns are a characteristic of the aging transcriptome; however, it is unclear whether these age‐related changes in splicing facilitate the progressive functional decline that defines aging. In Drosophila, visual behavior declines with age and correlates with altered gene expression in photoreceptors, including downregulation of genes encoding splicing factors. Here, we characterized the significance of these age‐regulated splicing‐associated genes in both splicing and visual function. To do this, we identified differential splicing events in either the entire eye or photoreceptors of young and old flies. Intriguingly, aging photoreceptors show differential splicing of a large number of visual function genes. In addition, as shown previously for aging photoreceptors, aging eyes showed increased accumulation of circular RNAs, which result from noncanonical splicing events. To test whether proper splicing was necessary for visual behavior, we knocked down age‐regulated splicing factors in photoreceptors in young flies and examined phototaxis. Notably, many of the age‐regulated splicing factors tested were necessary for proper visual behavior. In addition, knockdown of individual splicing factors resulted in changes in both alternative splicing at age‐spliced genes and increased accumulation of circular RNAs. Together, these data suggest that cumulative decreases in splicing factor expression could contribute to the differential splicing, circular RNA accumulation, and defective visual behavior observed in aging photoreceptors.
Long‐term neurocognitive functioning after electroconvulsive therapy in patients with late‐life depression
Authors: Obbels J. , Verwijk E. , Vansteelandt K. , Dols A. , Bouckaert F. , Schouws S. , Vandenbulcke M. , Emsell L. , Stek M. , Sienaert P.
Published: July 2018

Objective

There is ongoing concern about the possible negative impact of ECT on neurocognitive functioning in older patients. In this study, we aimed to characterize the long‐term cognitive effects of ECT in patients with late‐life depression, using an extensive neuropsychological battery.

Methods

A total of 110 patients aged 55 years and older with unipolar depression, referred for ECT were included. The neuropsychological test battery was assessed prior to ECT and 6 months after the last ECT session.

Results

There were no statistically significant group‐level changes from baseline to 6 months post‐ECT in any of the neuropsychological measurements. Individual differences in cognitive performance were detected using the Reliable Change Index.

Conclusion

Patients with late‐life depression do not show deleterious cognitive effects 6 months following an ECT index course, although there are considerable differences at an individual level. Clinicians should not hesitate to prescribe ECT in older patients, as most of these patients will tolerate the treatment course and a small group will even experience a cognitive enhancement. However, clinicians should be aware that a small group of patients can experience cognitive side‐effects. Further study is needed to predict which patients have a higher risk of developing cognitive side‐effects.