bluuebunny/crossref_metadata_2025 huggingface dataset:
More than meets the eye: hidden messages in the attribution of human-like values to product categories
Authors: Ye Sheng , Sneddon Joanne , Bardi Anat , Levontin Liat , Soutar Geoffrey , Lee Julie
Published: June 2024

Purpose

This paper aims to draw on values theory, associative network theory and schema congruity theory to examine how consumers attribute human-like values to product categories and products, and how these attributions affect product evaluations.

Design/methodology/approach

Study 1 randomly assigned 925 respondents to one of three product categories (cars, mobile phones and vacations). They were asked about their values and to attribute values to an assigned product category. Study 2 randomly assigned 919 respondents to one of the four value-expressive car conditions. They were asked to attribute values to the car, and then about their attitudes and purchase intentions.

Findings

Respondents attributed human-like values to product categories and products that were distinct and reflected the motivational compatibilities and conflicts inherent in the circular structure of human values. Moreover, multifaceted value congruity effects were found to positively influence attitudes and intentions to purchase a car, including congruity with product category values-schema, consumers’ personal values-schema and the structure of human values.

Originality/value

The authors demonstrate how a cognitive memory-based view can be used to better understand the complexities of the attribution of human-like values to products and product categories. Moving beyond the attribution of brand personality, this study shows the importance of not only understanding the attributions of values to a product but also considering how these attributions interact with the more abstract product category values to influence evaluations.
New venture legitimacy diffusion beyond the local entrepreneurial ecosystem: the transformative role of brokerage and network activities
Authors: Kansheba Jonathan Mukiza , Fubah Clavis Nwehfor , Wald Andreas
Published: June 2024

Purpose

New ventures often encounter legitimation challenges due to their liability of newness and foreignness. This particularly applies to the legitimacy beyond the local entrepreneurial ecosystem (EE). The present study examines how new ventures’ local legitimacy influences legitimacy diffusion beyond the local EEs. It considers both the direct relationship between new venture local legitimacy and its diffusion beyond the EE and the moderating effects of legitimacy brokerage and network activities on this relationship.

Design/methodology/approach

A hierarchical multiple linear regression is employed to test a series of hypotheses using the data of 228 Finnish firms which was collected with an online survey.

Findings

Firms that garner active local legitimacy have a greater chance to diffuse that legitimacy beyond an existing ecosystem. Results also reveal that network activities and legitimacy brokerage enhance (positively moderate) the association between (passive and active) local legitimacy and its diffusion.

Originality/value

The present study contributes to and extends the literature at the intersection of new venture legitimacy and legitimacy diffusion beyond the existing EE – an aspect which has not been sufficiently studied.
Why do teachers leave schools? Evidence from lower secondary schools in the Czech Republic
Authors: Straková Jana , Simonová Jaroslava
Published: June 2024

Purpose

This study aims to supplement the international knowledge on factors determining retention in the teaching profession with findings from the Czech Republic. The study aims to answer the question of what factors on the part of schools and teachers are related to teachers’ decision to leave the teaching profession, either temporarily or permanently. It also examines the differences between teachers at the beginning and end of their professional careers.

Design/methodology/approach

This study presents a secondary analysis of the data collected in a survey of 1,230 Czech secondary school teachers implemented in 2021 in the same schools as the TALIS survey in 2018. The longitudinal design makes it possible to observe the impact of school variables on teachers’ willingness to remain in the profession. Data are analysed through logistic regression.

Findings

The analysis shows the importance of sufficient financial evaluation, the composition of the student body, instructional leadership, and school innovativeness for the retention of teachers in the profession. The analysis further shows that the factors causing teachers to leave the profession differ for those at the beginning and at the end of their teaching careers.

Research limitations/implications

The limitations of the study lie in the fact that this is a secondary analysis. The questionnaires were not designed in accordance with the aim of our study, and so the variables were constructed from existing data to best fit our chosen framework.

Practical implications

The results of our analysis indicate that the Czech education policy should focus not only on general increases in teachers’ salaries, but also on the adjustment of increases over the course of a teacher’s career. The starting salary may be important for retaining young teachers in the profession, while at later stages in their careers their decision to stay may be more influenced by other factors. Our research also showed the importance of leadership. In schools where the principal supports his or her teachers and takes care of their professional development, teachers have a greater tendency to stay in the profession than in schools where the management does not perform this function.

Originality/value

The study enriched international knowledge about factors affecting teachers' retention in the profession with findings from the Czech educational system characterized by high school autonomy and low teacher salaries.
Effects of modularity on the organizational performance in presence of conformity
Authors: Khodzhimatov Ravshanbek , Leitner Stephan , Wall Friederike
Published: June 2024

Purpose

This research seeks to explore the intersection between modularity and conformity in organizational contexts. Modularity, a cornerstone of organizational design, pertains to the decomposability of tasks within an organization into subtasks with internal interdependence and external independence. Conformity, on the other hand, is the adjustment of an individual’s behavior to match that of others, often driven by a desire to adhere to social norms.

Design/methodology/approach

We employ agent-based modeling and simulation as a technique to model organizations as complex systems. This approach allows us to delve into the effects of modularity in organizational structures on organizational performance, with a particular emphasis on the role of conformity in this relationship. We treat conformity as exogenously given, which allows us to focus on its effects rather than its emergence.

Findings

The results demonstrate that a concentration of interdependent tasks within fewer departments can boost overall performance. Conformity decreases performance in all organizational structures except for cases when the departments work on highly similar tasks. This decline in performance can also explain why functional organizational structures are still being used in practice even though they are less modular than divisional structures — they feature lower levels of conformity and, thus, face smaller decline. Finally, we find that in highly complex settings, organizational performance can, surprisingly, be improved as complexity within departments increases.

Originality/value

To the best of our knowledge, this study is the first to explore the modularity in organizational structures in presence of conformity. Distinctively, we adapt the NKCS model from evolutionary biology to our study, and perform an exhaustive analysis by examining all possible combinations of parameters that refer to the task allocation within organizations. We thereby contribute a unique perspective to the discourse on organizational theory and behavior.
Unveiling the influence of natural environment in urban tourism destinations on local community’s quality of life
Authors: Jasrotia Aruditya , Lata Suman , Chanchaichujit Kanruthai , Rana Krishma
Published: June 2024

Purpose

In the contemporary 21st century context, the issues of pollution, climate change and over tourism have emphasized that destination management organizations should focus on experiences and quality of life (QoL) of both locals and tourists. Concurrently, local community are actively seeking avenues for improving health and attaining inner peace, which has led to a notable inclination towards travelling to destinations rich with natural environment. This research paper aims to delve into the two intriguing dimensions of QoL, i.e. health and environment. Therefore, the purpose of this study is to explore the influence of the natural environment in urban tourism destinations on the QoL of local communities.

Design/methodology/approach

This research adopts a descriptive and exploratory approach, employing qualitative methods through semi-structured interviews with respondents. Thematic analysis, assisted by NVivo (12), was used to fulfil the aim of the study.

Findings

The findings of the study unveiled the themes, namely, aesthetic and recreational opportunities, elevated health and well-being, community cohesion, which highlight the influence of natural environment on QoL of community.

Originality/value

Since the inception of the COVID-19 pandemic, there has been a growing emphasis in research on the significance of the natural environment for individual well-being. Moreover, factors such as health, happiness and QoL contribute substantially to the overall ambiance of a destination.
Experiences and consequences of emotion work: a mixed methods study in pedagogical professions
Authors: Mai Julia , Lennarz Hannah K. , Tadsen Wögen N. , Titze Corinna
Published: June 2024

Purpose

Outside of teaching, little knowledge exists about the emotion work of pedagogical professionals, i.e., the emotion work that is performed in kindergartens, residential homes or school counseling. This study addresses this shortcoming by answering the questions (1) how is emotion work experienced and coped with in pedagogical professions? and (2) how does pedagogical professionals’ emotion work relate to burnout?

Design/methodology/approach

An exploratory sequential mixed methods approach consisting of an interview and a questionnaire was applied. First, n = 10 interviews were conducted to investigate how emotion work is experienced and managed by pedagogical professionals. Second, hypotheses regarding the relationship between identified resources and burnout were derived and empirically tested in a questionnaire survey with n = 97 participants.

Findings

The interviews provided insight into various emotional job demands and resources. Emotion work has been shown to be a key aspect of pedagogical work. Detached concern was identified as an emotion-regulating resource in coping with the resulting emotional job demands. The results of the quantitative phase revealed that pedagogical professionals’ detached concern plays a vital role in preventing burnout.

Originality/value

This study adds new insights to the understanding of emotion work performed in care work professions outside of teaching. The acknowledgement of pedagogical work, as skilled (emotion) work, and the investigation of resources is an important step in improving the working conditions of pedagogical professionals and thus protecting their health and well-being.
Building a value-creating brand in internationalizing small and medium-sized enterprises
Authors: Chang Hsing-Hua Stella , Fong Cher-Min , Chang Min-Hua
Published: June 2024

Purpose

Empirical evidence of the value creation process through which internationalizing small and medium-sized enterprises (SMEs) develop international branding capability (IBC) to build a value-creating brand in international markets is incomplete. This research aims to investigate a theoretical framework for the determinants and outcomes of IBC in internationalizing SMEs.

Design/methodology/approach

Using surveys of 519 internationalizing SMEs, this research empirically verified the antecedents to and effects of IBC on SMEs’ value creation, which thus translates into superior performance. Furthermore, this research explores contextual factors influencing the value creation process in SME internationalization.

Findings

Findings show that SMEs with strong international marketing resource orchestration (IMRO) and relational capability are more competent in developing IBC, which assists resource-constrained SMEs to create value, as manifested through international brand equity (IBE) and improved international performance. Moreover, environmental uncertainty enhances the interplay between IMRO, relational capability, and IBC, while new entrant pressure strengthens the relationship between IBC and IBE, and price competition pressure magnifies the impact of IBE on international performance.

Originality/value

Our study pioneers conceptualization of the value creation process through which SMEs develop IBC to build value-creating brands in international markets, overcoming the liabilities of smallness and outsidership.
Determinants of work readiness as a teacher for higher education students in industry revolution of 4.0
Authors: Sakitri Wijang , Kardoyo Kardoyo , Tusyanah Tusyanah , Setiaji Khasan
Published: June 2024

Purpose

The Industrial Revolution 4.0 impacted education, notably during the COVID-19 outbreak. Teachers should be familiar with the dynamic teaching and learning of classroom and virtual classes. They should provide various and exciting media. It influences the work readiness of a teacher for higher education students. Further, nowadays, interest in becoming a teacher is declining. They prefer having another profession to being a teacher. This study analyzes the determinants of work readiness as a teacher for higher education students.

Design/methodology/approach

This research uses a quantitative research model: a survey method with an influence analysis approach through structural equation modeling analysis to determine the influence of digital literacy, self-efficacy and perceptions of the teaching profession on readiness to become a teacher. The population in this study was the UNNES Economics Education students’ class of the year 2018, totaling 350 students with a total sample of 187. The data collection technique used in this research is a questionnaire with score criteria based on a Likert scale.

Findings

Digital literacy and teacher professional perception play an essential role in work readiness for higher education students as a teacher. Meanwhile, self-efficacy has a positive but insignificant influence on work readiness as a teacher. One of the things that make self-efficacy have a less significant impact is the need for vicarious experience indicators in shaping student self-efficacy.

Practical implications

Teaching is a noble profession. Research on work readiness as a teacher is still limited. Nowadays, only a few students are interested in being a teacher because they need more enthusiasm. The findings of this research can be an alternative solution to managerial staff at higher education to equip the students with digitalization technology, positive teacher perception and increase the students' self-efficacy.

Originality/value

The study on work readiness as a teacher for higher-education students has yet to be explored. Being a teacher is an art that needs skills and competencies because teachers educate humans that have dynamic critical thinking, ideas and behaviors. This study investigates the determinants of work readiness as a teacher for higher education students in the digitalization technology era.
Dynamic capabilities for nimbleness and resilience in a continuous digital transformation: action design research in an Australian financial services organisation
Authors: Faro Benjamin , Abedin Babak , Cetindamar Dilek , Daneshgar Farhad
Published: June 2024

Purpose

The research aims to understand the co-existence of nimbleness and resilience in a continuous digital transformation, along with the dynamic capabilities needed to balance the challenges of their co-existence.

Design/methodology/approach

The current study draws on dialogical action design research (D-ADR) to investigate interactions among practitioners and executives. Data are collected from a major Australian financial services organisation (FSO) and many international experts.

Findings

The study presents a framework, the continuous transformation model (CTM), to describe digital transformation within an FSO context, emphasising nimbleness and resilience as its foundational pillars. This framework facilitates the identification of the critical role of organisational capabilities in managing continuous digital transformation, supported by dynamic IT capabilities. More importantly, the findings underscore how these capabilities enable managers to effectively balance the coexistence of nimbleness and resilience.

Research limitations/implications

The CTM contributes to the enterprise information systems literature by offering a coherent understanding of balancing resilience and nimbleness to succeed in digital transformation. In particular, the research model elucidates the relationship between dynamic capabilities and continuous digital transformations.

Practical implications

Digital transformations are not a one-off exercise. Managers in the FSO context must cultivate their organisational capabilities to achieve nimbleness and resilience during their digital transformation journey.

Originality/value

The relationship between dynamic capabilities and continuous digital transformation sheds light on establishing successful management processes within FSOs.
The new monetary policy regime under central bank’s abundant balance sheet: the case of the Federal Reserve
Authors: Siokis Fotios
Published: June 2024

Purpose

The transmission of monetary policy has received considerable attention due to the sizable enlargement of the Federal Reserve’s balance sheet and consequently of the large reserve balances held by the Depository Institutions. This paper aims to investigate whether changes in the quantity of the reserve balances during the so-called normalization period and the COVID-19 crisis put significant pressure on short-term interest rates and specifically on the Effective Federal Funds rate (EFFR).

Design/methodology/approach

Under the new monetary policy regime, with two newly administered interest rates, the authors use the spread of the Federal Funds rates and the Interest on Reserve Balances (as a measure of the price of liquidity. With the means of various models such as the structural vector autoregression, the authors investigate, for two different subsample periods, the effectiveness of the monetary policy and the creation of (any) liquidity effects.

Findings

The results showed that when the Fed decreases its balance sheet size, during the normalization period, significant liquidity effects are present meaning that the authorities could influence the stage of the short-term interest rates under the new monetary policy regime. However, this relationship appears to weaken considerably as the level of reserve balances, particularly in response to the COVID-19 pandemic, increases substantially. The authors enriched the findings by highlighting the role of the benchmark repo rate. During the COVID-19 period, and in light of abundant reserve balances, the repo rate reacts more vigorously to a reduction in reserves, whereas an increase in the repo rate seems to exert a strong positive influence on the EFFR.

Originality/value

The findings are very important for the efficiency of the monetary transmission mechanism. An expanded balance sheet is still considered an arcane concept in regard to the structure and its effects on monetary policy implementation. This is one of the only few studies that investigates the effect of the abundant reserve balances on the short-term interest rates for two different in nature subsample periods. It shows as well the interplay between short-term interest rates, secured and unsecured.
Employee ownership in China: new evidence
Authors: Pan Huifen
Published: June 2024

Purpose

With specific big-data mining worked on 61,522 firm announcements, we discovered a diverse Employee Share Ownership Plan (ESOP) model in China, called “Core-Staff-Based ESOPs.” Distinct from standard broad-based or executive-based ESOPs, these specific targeted-broad-based ESOPs require the qualification for participants, involving the participation of senior executives, directors at the middle level and any other employees that make particular contributions to firms. We take on the challenge to analyze ESOP mechanism, firm characteristics and performance in the view of organizational ecology and resource-based choice-making, and explore which factors have influenced the ESOP development in China.

Design/methodology/approach

We utilize a combination of approaches including qualitative and quantitative methods, and construct the main database of 117,767 firm-quarter data.

Findings

Firstly, based upon our institutional research, we find no coercive mechanisms that force all the Chinese listed firms to implement ESOPs since 2005. Secondly, our binary logistic regressions identify ESOP firms’ specific properties significantly distinct from non-ESOP firms, and draw profiles for these ESOP firms. Thirdly, our panel regression test results sustain the rational of ESOP mechanism, demonstrating that ESOPs enable Chinese firms to improve performance both in profits and their industry positions. Finally, with further quantitative tests, we find out this ESOP design’s limitations and the heterogenous effects due to China’s environments.

Originality/value

The discovery of Core-staff-based ESOPs contributes a diversity to the standard framework of ESOPs, enhances our understanding of China’s ESOP development, and provides new evidence for ESOP performance.
How to improve the quality of emergency supplies? A tripartite evolutionary game model
Authors: Wang Yue , Liu Ming , Viana Joe , Dube Nonhlanhla
Published: June 2024

Purpose

Providing quality emergency supplies is crucial to mitigate and respond to emergencies. However, despite government and consumer oversight of emergency supplies’ quality, a troubling trend persists among some enterprises to sacrifice product quality for financial gain. This paper examines the influence of strategy selections among governments, enterprises, and consumers to enhance the quality of emergency supplies.

Design/methodology/approach

We develop a tripartite evolutionary game model consisting of three stakeholders: government, enterprises, and consumers, considering factors including subsidies and penalties. After analysing three stakeholders’ strategic choices to ascertain system stability, parametric analyses were conducted.

Findings

Excessive or insufficient subsidies are not conducive to encouraging enterprises to adopt an authentic production strategy; excessive subsidies may result in consumers enduring counterfeiting. Furthermore, the government’s supervision strategy can stabilise the system quickly, suggesting that consumer reporting cannot replace government supervision. Additionally, incentivising enterprises to adopt an authentic production strategy can be achieved by increasing penalties and enhancing compensation while reducing consumer reporting, government supervision, and raw materials costs.

Originality/value

We present a preliminary exploration of how to promote the production of qualified emergency supplies in the early stages of an emergency event. The model and findings proposed in this paper can be generalised and applied to various emergency events, including epidemics and earthquakes.
Impact of immersion experience on encountering information adoption: experimental evidence from AI virtual live streaming under the algorithmic recommendation
Authors: Liu Chunnian , Xiang Ling , Yi Lan
Published: June 2024

Purpose

The purpose of this paper is to explore the factors influencing the encountering information adoption of virtual live streaming from the perspective of the immersion experience. In addition, the paper aims to provide new theoretical perspectives and analytical frameworks for virtual live information behavior.

Design/methodology/approach

Based on a review of relevant literature and theories, a model of the encountering information adoption of virtual live streaming users is constructed. In order to complete the empirical study, two experiments and questionnaires have been designed to investigate the relationship between high and low immersion experiences. A total of 1,332 valid survey samples were collected and analyzed, utilizing the structural equation model. In order to delineate the regimes, Gradient Boosted Regression Tree (GBRT) and Lasso regression were further utilized.

Findings

The research findings indicate that users' immersion experience in virtual live streaming has a positive effect on perceived usefulness, trust, and commitment. Furthermore, perceived usefulness and trust have a positive effect on users' emotional arousal and enhance the content experience, while commitment has a negative effect on the content experience. The emotional arousal and content experience of users contribute to their encountering information adoption. The effect of immersion experience on encountering information adoption is partially mediated by perceived usefulness, trust, commitment, emotional arousal, and content experience. The relationship between content experience and encountering information adoption is moderated by digital literacy to a significant extent. In the context of virtual live streaming, the factors influencing users' encountering information adoption can be divided into three distinct regimes. The most significant factors affecting encounter information adoption are trust and commitment, which are located in the first regime. Emotional arousal and digital literacy are situated in the third regime, with the least significant influence on encountering information adoption.

Originality/value

This study constructs a model of virtual live streaming users' encountering information adoption and explores the formation mechanism of encountering information adoption from the perspective of immersion experience, which provides a new perspective for further understanding the influence of virtual live-streaming users' encountering information adoption.
The interface between traditional organisational practices and a World Bank-led performance management reform
Authors: Masum Mahmud Al , Parker Lee
Published: June 2024

Purpose

This paper aims to investigate how the technical logics of a World Bank-led performance management reform interacted with the social, political and historical logics within a developing country (DC) regulatory organisation. The institutional environment both within and outside the organisation was considered to understand the performance management reform experience.

Design/methodology/approach

An interview-based, longitudinal, qualitative case study approach was used to locate accounting in its technical, social and political space. A large regulatory organisation in Bangladesh was investigated as a case study to reveal how traditional organisational practices and public sector norms mediated a performance management reform. Informed by the institutional logics (IL) and economies of worth perspectives, interviews were used to locate IL at macro-level and associated organisational actors’ strategic responses that ultimately shaped the implementation of a performance management system (PMS).

Findings

This paper reveals how accounting, as a social and political practice, influences accountability reform within a regulatory organisation. It provides an account of both the processes and resultant practices of an accounting reform initiative. While a consultative and transparent performance management process was intended to enhance accountability, it challenged the traditional organisational authority structure and culture. The new PMS retained, modified and adjusted a number of its characteristics over time. These adjustments reflected an amalgamation of the influence of institutional pressures from powerful constituents and the ability of the local agents (managers) in negotiating and mediating the institutionalisation of a new PMS.

Practical implications

The findings of this paper carry major implications for policy makers, particularly with respect to the design of future reform programs on PMS.

Originality/value

This paper offers a theoretical mapping of IL and its organisation-level interpretations and practices. Thus, the authors locate power and influence at field and firm levels. The findings of this study reflect historical, political and cultural backgrounds of the case study organisation and how these contextual forces were active in shaping the meaning of reform logics. Though the institutional environment and agents were unique to the case study organisation, this research offers a “process generalisation” that reveals how a best practice PMS was translated and transformed by the traditional organisational practices in a DC regulatory context.
Changes in food consumption expenditure during the COVID-19 pandemic in Indonesia
Authors: Amrullah Eka Rastiyanto , Rusyiana Aris , Tokuda Hiromi
Published: June 2024

Purpose

This study aims to explore the structural changes in food consumption expenditure in Indonesia before and during the COVID-19 pandemic using data from the 2020 and 2021 National Socioeconomic Survey by Statistics Indonesia.

Design/methodology/approach

The quadratic almost-ideal demand system analysis model is used to estimate changes in the share of food consumption and the demand and price elasticity of food commodities in Indonesia. A total of 15 food items are analyzed to determine changes in food consumption expenditure during the COVID-19 pandemic.

Findings

The results of this study show that during the COVID-19 pandemic, there was an increase in the proportion of household expenditure related to the consumption of home-cooked food. Simultaneously, the proportion of expenditure on prepared food significantly decreased.

Practical implications

The pandemic has changed household food consumption in Indonesia. This study recommends that the government ensure the availability of supplies and stability of food prices and provide financial subsidies to maintain food consumption, especially for lower-income communities.

Originality/value

There has yet to be a study on the changes in household food consumption during the COVID-19 pandemic in Indonesia. Therefore, this research provides empirical evidence that there were changes in household food expenditure during the pandemic.
Generalizable and precise control based on equilibrium-point hypothesis for musculoskeletal robotic system
Authors: Wu Yaxiong , Chen Jiahao , Qiao Hong
Published: June 2024

Purpose

The purpose of this study is realizing human-like motions and performance through musculoskeletal robots and brain-inspired controllers. Human-inspired robotic systems, owing to their potential advantages in terms of flexibility, robustness and generality, have been widely recognized as a promising direction of next-generation robots.

Design/methodology/approach

In this paper, a deep forward neural network (DFNN) controller was proposed inspired by the neural mechanisms of equilibrium-point hypothesis (EPH) and musculoskeletal dynamics.

Findings

First, the neural mechanism of EPH in human was analyzed, providing the basis for the control scheme of the proposed method. Second, the effectiveness of proposed method was verified by demonstrating that equilibrium states can be reached under the constant activation signals. Finally, the performance was quantified according to the experimental results.

Originality/value

Based on the neural mechanism of EPH, a DFNN was crafted to simulate the process of activation signal generation in human motion control. Subsequently, a bio-inspired musculoskeletal robotic system was designed, and the high-precision target-reaching tasks were realized in human manner. The proposed methods provide a direction to realize the human-like motion in musculoskeletal robots.
Interrelations between bitcoin market sentiment, crude oil, gold, and the stock market with bitcoin prices: Vision from the hedging market
Authors: Wang Guanghao , Liu Chenghao , Sbai Erwann , Sheng Mingyue Selena , Hu Jinhong , Tao Miaomiao
Published: June 2024

Purpose

The purpose of this study is to examine Bitcoin's price behavior across market conditions, focusing on the influence of Bitcoin's historical prices, news sentiment and market indicators like oil prices, gold and the S&P index. The authors also assess the stability of Bitcoin-inclusive hedging portfolios under different market conditions, for example, bearish, bullish and moderate market states.

Design/methodology/approach

This study uses the Quantile Autoregressive Distributed Lag model to explore the effects of different factors on Bitcoin's prices across various market situations. This method allows for a detailed analysis of historical trends, investor expectations and external market influences on Bitcoin's price movements and systematic stability.

Findings

Key findings reveal historical prices and investor expectations significantly influence Bitcoin in all market scenarios, with news sentiment exhibiting substantial volatility. This study indicates that oil prices have minimal impacts on Bitcoin, whereas gold is a stabilizing asset in bear markets, with the S&P index influencing short-term fluctuations. At the same time, Bitcoin's volatility varies with market conditions, proving more efficient as a hedging tool in bear and stable markets than in bull ones.

Originality/value

This study highlights the intrinsic correlation between Bitcoin's prices, news sentiment and financial market indicators, enhancing understanding of Bitcoin's market dynamics. The authors demonstrate Bitcoin's weak direct correlation with commodities like oil, the stabilizing role of gold in crypto portfolios and the stock market's indirect effect on Bitcoin prices. By examining these factors' impacts across various market conditions, the findings offer strategies for investors to improve hedging and portfolio management in cryptocurrency markets.
A performance-based approach to developing capabilities for building resilience to climate hazards in transportation systems
Authors: Amekudzi-Kennedy Adjo , Singh Prerna , Yang Zhongyu , Garrett Adair
Published: June 2024

Purpose

This paper discusses a multifaceted approach to developing specific and general climate resilience in a state transportation system that focuses on organizations and physical infrastructure. The paper focuses on resilience building to the dynamically evolving climate-related threats and extreme events in a transportation agency. This paper aims to enable agencies to understand better how their systems are exposed to different hazards and provide the information necessary for prioritizing their assets and systems for resilience improvement.

Design/methodology/approach

This paper leverages long-term climate hazard databases, spatial and statistical analyses and nonprobabilistic approaches for specific and general climate resilience improvement. Spatial and temporal variability assessments were conducted on granular historical records of exposure obtained from Spatial Hazards Events and Losses Database for the United States data set to identify emerging hot spots of exposure. These were then assessed in combination with various asset specific vulnerability parameters, presented with examples of pavements and bridges. Specific metrics were obtained for the various aspects of vulnerability in the context of a given asset to estimate the overall vulnerability. A criticality-vulnerability matrix was then developed to provide a prioritization model for transportation systems.

Findings

This paper provides insights into the evolving nature of exposure, vulnerability and risk assessments and an approach to systematically account for climate change and the uncertainties associated with it in resilience planning. The Multi-Hazards Exposure, Vulnerability and Risk Assessment tool presented in this paper conducts climate hazard exposure, vulnerability and risk analysis on pavements, bridges and culverts and can be applied by any transportation agency.

Research limitations/implications

This study does not address operational aspects of the transportation system nor include future climate scenario data, but uses the historical records available at hand for resilience planning. With better climate projection data available in the future, the approach should be enhanced by leveraging scenario-based planning.

Practical implications

This paper is of potential value to practitioners and researchers interested in developing resilience building capabilities to manage the effects of climate-related hazards and extreme events as well as unknown threats on infrastructure and organizational performance.

Originality/value

This paper bridges an important gap in infrastructure resilience approaches by systematically accounting for the dynamic nature of climate change and the system level context of vulnerability beyond the physical condition of assets.
Effect of layered polyethylene terephthalate (Geopet) for reinforcing stabilized sand with fly ash
Authors: Karami Mohammad Reza , Keramati Mohsen , Maadi Reza , Moradi Moghaddam Hossein
Published: June 2024

Purpose

This study aims to examine the reuse of plastic and fly ash (FA) to improve the soil and achieve sustainable development goals.

Design/methodology/approach

Sand from the Anzali port was reinforced with Geopet (GP) and stabilized with FA plus 3% sodium hydroxide. The GP was placed in FA-stabilized soil and the California bearing ratio (CBR), and unconfined compressive strength (UCS) tests were performed on samples at the optimum moisture content.

Findings

The results showed that the improvement in the optimum CBR was 174.9%. The UCS increased 15.25% and 48.65% in soil reinforced with three layers of GP plus 15% FA over those containing 10% and 5% FA, respectively. Additionally, the current analysis used response surface methodology (RSM) to investigate the impact of FA percentage, GP layers and their interaction on CBR. The results highlight the efficacy of the used RSM model, as evidenced by the significantly low p-value (<0.0001).

Originality/value

This demonstrates the suitability and effectiveness of RSM for evaluating CBR in this scientific study.
Predicting organismal response to marine heatwaves using dynamic thermal tolerance landscape models
Authors: Villeneuve Andrew R. , White Easton R.
Published: June 2024

Marine heatwaves (MHWs) can cause thermal stress in marine organisms, experienced as extreme ‘pulses’ against the gradual trend of anthropogenic warming. When thermal stress exceeds organismal capacity to maintain homeostasis, organism survival becomes time‐limited and can result in mass mortality events.

Current methods of detecting and categorizing MHWs rely on statistical analysis of historic climatology and do not consider biological effects as a basis of MHW severity. The re‐emergence of ectotherm thermal tolerance landscape models provides a physiological framework for assessing the lethal effects of MHWs by accounting for both the magnitude and duration of extreme heat events.

Here, we used a simulation approach to understand the effects of a suite of MHW profiles on organism survival probability across (1) three thermal tolerance adaptive strategies, (2) interannual temperature variation and (3) seasonal timing of MHWs.

We identified survival isoclines across MHW magnitude and duration where acute (short duration‐high magnitude) and chronic (long duration‐low magnitude) events had equivalent lethal effects on marine organisms. While most research attention has focused on chronic MHW events, we show similar lethal effects can be experienced by more common but neglected acute marine heat spikes. Critically, a statistical definition of MHWs does not accurately categorize biological mortality.

By letting organism responses define the extremeness of a MHW event, we can build a mechanistic understanding of MHW effects from a physiological basis. Organism responses can then be transferred across scales of ecological organization and better predict marine ecosystem shifts to MHWs.
Differential response of bacteria and fungi to drought on the decomposition of Sarcocornia fruticosa woody stems in a saline stream
Authors: Doménech‐Pascual Anna , Carrasco‐Barea Lorena , Gich Frederic , Boadella Judit , Freixinos Campillo Zeus , Gómez Cerezo Rosa , Butturini Andrea , Romaní Anna M.
Published: June 2024

Inland saline ecosystems suffer multiple stresses (e.g., high radiation, salinity, water scarcity) that may compromise essential ecosystem functions such as organic matter decomposition. Here, we investigated the effects of drought on microbial colonization and decomposition of Sarcocornia fruticosa woody stems across different habitats in a saline watershed: on the dry floodplain, submerged in the stream channel and at the shoreline (first submerged, then emerged). Unexpectedly, weight loss was not enhanced in the submerged stems, while decomposition process differed between habitats. On the floodplain, it was dominated by fungi and high cellulolytic activity; in submerged conditions, a diverse community of bacteria and high ligninolytic activity dominated; and, on the shoreline, enzyme activities were like submerged conditions, but with a fungal community similar to the dry conditions. Results indicate distinct degradation paths being driven by different stress factors: strong water scarcity and photodegradation in dry conditions, and high salinity and reduced oxygen in wet conditions. This suggests that fungi are more resistant to drought, and bacteria to salinity. Overall, in saline watersheds, variations in multiple stress factors exert distinct environmental filters on bacteria and fungi and their role in the decomposition of plant material, affecting carbon cycling and microbial interactions.
Furthering racial liberalism in UK higher education: The populist construction of the ‘free speech crisis’
Authors: Dragoș Simina , Hughson Taylor A.
Published: June 2024

In this article we analyse the constructed ‘free speech crisis’ associated with higher education (HE) in the United Kingdom (UK). We examine the media discourses from 2012 to 2022 which led to the establishment of a sense of crisis around speech in universities and, ultimately, to the Freedom of Speech Act in May 2023. We undertake a critical discourse analysis focused on the constructions of universities and university students in two major right‐wing broadsheet newspapers, The Times and The Telegraph, and in the right‐wing magazine The Spectator. We conceptualise the ‘free speech crisis’ as a discursive formation which is part of broader political efforts of conservative elites to maintain hegemony in Britain. Drawing on populism theory and race critical analyses, we argue that the ‘free speech crisis’ is an expression of racial liberalism and a placeholder for a deeper white anxiety over the social reproduction of elites in university spaces, and thus over (cultural) hegemony in the public sphere. We understand the desire to regulate ‘free’ speech in HE as an effort to prevent the emergence of an elite and (counter)hegemony different to the status quo. We make contributions to two emergent and interrelating bodies of literature: firstly, the study of populism in (post)Brexit Britain, and secondly, the study of culture wars, including iterations of the ‘free speech crisis’ and ‘the war on woke’.
Biocatalyst immobilization on magnetic nano‐architectures for potential applications in condensation reactions
Authors: Papatola F. , Slimani S. , Peddis D. , Pellis A.
Published: June 2024

In this review article, a perspective on the immobilization of various hydrolytic enzymes onto magnetic nanoparticles for synthetic organic chemistry applications is presented. After a first part giving short overview on nanomagnetism and highlighting advantages and disadvantages of immobilizing enzymes on magnetic nanoparticles (MNPs), the most important hydrolytic enzymes and their applications were summarized. A section reviewing the immobilization techniques with a particular focus on supporting enzymes on MNPs introduces the reader to the final chapter describing synthetic organic chemistry applications of small molecules (flavour esters) and polymers (polyesters and polyamides). Finally, the conclusion and perspective section gives the author's personal view on further research discussing the new idea of a synergistic rational design of the magnetic and biocatalytic component to produce novel magnetic nano‐architectures.
Grape seed extract prevents oestrogen deficiency‐induced bone loss by modulating the gut microbiota and metabolites
Authors: Lu Lingyun , Li Jiao , Liu Lu , Wang Cui , Xie Ying , Yu Xijie , Tian Li
Published: June 2024

Proanthocyanidin‐rich grape seed extract (GSE) has been shown to have the potential to protect bones, although the underlying mechanism remains unknown. The current study aims to explore GSE's preventive and therapeutic impact on bone loss induced by oestrogen deficiency and the underlying mechanism through the gut microbiota (GM) and metabolomic responses. In oestrogen‐deficient ovariectomized (OVX) mice, GSE ameliorated bone loss by inhibiting the expansion of bone marrow adipose tissue (BMAT), restoring BMAT lipolysis and promoting bone formation. GSE regulated OVX‐induced GM dysbiosis by reducing the abundance of opportunistic pathogenic bacteria, such as Alistipes, Turicibacter and Romboutsia, while elevating the abundance of beneficial bacteria, such as Bifidobacterium. The modified GM primarily impacted lipid and amino acid metabolism. Furthermore, the serum metabolites of GSE exhibited a significant enrichment in lipid metabolism. In summary, GSE shows potential as a functional food for preventing oestrogen deficiency‐induced bone loss by modulating GM and metabolite‐mediated lipid metabolism.