bluuebunny/crossref_metadata_2025_split huggingface dataset:
Economic performance and efficiency determinants of crop-producing farms in Norway
Authors: Alem Habtamu , Lien Gudbrand , Hardaker J. Brian 
Published: November 2018

PurposeThe purpose of this paper is to explore the economic performance of Norwegian crop farms using a stochastic frontier analysis.Design/methodology/approachThe analysis was based on a translog cost function and unbalanced farm-level panel data for 1991–2013 from 455 Norwegian farms specialized in crop production in eastern and central regions of Norway.FindingsThe results of the analysis show that the mean efficiency was about 78–81 percent. Farm management practices and socioeconomic factors were shown to significantly affect the economic performance of Norwegian crop farms.Research limitations/implicationsFarmers are getting different types of support from the government and the study does not account for the different effects of different kinds of subsidy on cost efficiency. Different subsidies might have different effects on farm performance. To get more informative and useful results, it would be necessary to repeat the analysis with less aggregated data on subsidy payments.Practical implicationsOne implication for farmers (and their advisers) is that many of them are less efficient than the estimated benchmark (best performing farms). Thus, those lagging behind the best performing farms need to look at the way they are operating and to seek out ways to save costs or increase crop production. Perhaps there are things for lagging farmers to learn from their more productive farming neighbors. For instance, those farmers not practicing crop rotation might be well advised to try that practice.Social implicationsFor both taxpayers and consumers, one implication is that the contributions they pay that go to subsidize farmers appear to bring some benefits in terms of more efficient production that, in turn, increase the supply of some foods so possibly making food prices more affordable.Originality/valueUnlike previous performance studies in the literature, the authors estimated farm-level economic performance accounting for the contribution of both an important farm management practice and selected socioeconomic factors. Good farm management practices, captured through crop rotation, land tenure, government support and off-farm activities were found to have made a positive and statistically significant contribution to reducing the cost of production on crop-producing farms in the Central and Eastern regions of Norway.
Influence of wear on the performance of capillary compensated hole entry hybrid conical journal bearing
Authors: Pawar Sanjay Rangrao , Phalle Vikas M. 
Published: November 2018

Purpose
Hybrid conical journal bearings have received great attraction by design engineers and researchers due to their incomparable performance. However, performance of these bearings is affected due to wear. This paper aims to present an analytical study concerning the performance of hole entry worn hybrid conical journal bearings.

Design/methodology/approach
The Reynolds equation governing the flow of lubricant in the clearance space along with the restrictor flow equations has been solved using finite element method.

Findings
The numerically simulated results of worn bearing performance parameters indicate significant change in the performance due to wear. Therefore, for semi cone angle γ = 25°, the value of C¯22 reduces by 24.6 per cent at the wear value of about 50 per cent of radial clearance for the given configuration of bearing.

Originality/value
The present results are original of its kind and surely useful to bearing designers and researchers in predicting actual performance of worn hole entry hybrid conical journal bearing.
Influence of WS2/SnS2on the tribological performance of copper-free brake pads
Authors: I. Justin Antonyraj , R. Vijay , D. Lenin Singaravelu 
Published: November 2018

PurposeThe purpose of this study is to investigate the influence of solid lubricants (tungsten disulfide [WS2]/ Tin disulfide [SnS2]) on the tribological performance of brake pads.Design/methodology/approachIn this study, the brake pads were developed by varying the solid lubricants (WS2/SnS2) without varying the other ingredients. The brake pads were developed as per the industrial procedure. Thermal stability was found for varying ingredients and developed pads. The physical, mechanical and thermal properties of the developed brake pads were analyzed as per the industrial standards. The tribological properties were analyzed using the Chase test. The worn surface analysis was done using scanning electron microscopy, elemental mapping and three-dimensional profile analysis.FindingsThe experimental results indicate that the WS2-based brake pads possess good physical, chemical and mechanical properties with stable friction and less wear rate due to its good lubrication film formation and thermal stability natures of WS2.Originality/valueThis paper explains the effect of solid lubricants in brake pads for enhancing the tribological performance by the shearing of crystal structure, thermal stability and tribo film properties of the lubricants.
Knowledge acquisition via internet-enabled platforms
Authors: Glavas Charmaine , Mathews Shane , Russell-Bennett Rebekah 
Published: November 2018

PurposeTechnology has profoundly transformed the international business environment, particularly regarding the flow of information and the way in which knowledge is acquired and shared. Yet, the extent of this transformation is still underappreciated. The purpose of this paper is to examine how small and medium-sized enterprise (SME) owner/founders acquire and utilize knowledge for internationalization via internet-enabled platforms.Design/methodology/approachThe empirical analysis draws on multiple case study methodology to examine 13 Australian SME owner/founders and the knowledge they acquire from utilization of internet-enabled platforms.FindingsThe analysis reveals four differing types of internet-enabled experiences: “technical internet-enabled experiences,” “operational internet-enabled experiences,” “functional internet-enabled experiences,” and “immersive internet-enabled experiences.” The findings indicate that internet-enabled experiences can generate both explicit and tacit forms of knowledge for the pre, early and later phases of internationalization.Practical implicationsThe findings provide a structured approach by allowing SMEs to “plot” themselves against the classification of internet-enabled experiences to denote their level of technological involvement, and for discerning the types of knowledge that can be acquired. The findings are particularly helpful for owner/founders, highlighting that internet-enabled platforms are affecting the ways in which knowledge can be acquired and applied to international businesses processes.Originality/valueThe findings extend the conventional notion of knowledge acquisition for international business by highlighting how information and knowledge can be acquired via internet-enabled platforms. The findings lay the necessary groundwork for building an evidence base and theoretically extending the concept of knowledge acquisition via internet-enabled platforms.
Capitalising on knowledge from big-science centres for internationalisation
Authors: Eerme Tõnis , Nummela Niina 
Published: November 2018

PurposeThe purpose of this paper is to investigate how resource-constrained, knowledge-intensive firms capitalise on the knowledge from collaboration with big-science centres. It pays particular attention to what kind of knowledge a firm obtains and how it can be efficiently used in exploring and exploiting opportunities in international markets.Design/methodology/approachThe empirical basis for the study is a longitudinal case study of knowledge-intensive Estonian companies that collaborate with the European Space Agency (ESA). A rich data set was collected over three years.FindingsBy studying the inward and outward activities of the two case companies collaborating with the ESA, the authors found that the internationalisation process of these firms had unique characteristics. Their international expansion was not driven by increasing market knowledge and reducing risk or uncertainty, but by resource seeking for research and development efforts. It was a cyclical, non-linear process, which was advanced by co-creation, learning and exploitation of the emergent knowledge, leading to an improved network position and identification of further opportunities.Research limitations/implicationsThe focus was on knowledge-intensive, resource-constrained firms and their collaboration with big-science centres. The transfer of the proposed framework to another context may not be straightforward. The authors relied on informants from the firms, thus ignoring the view of their partner, the big-science centre. It may be that because of this perspective, the authors did not capture some aspects of the collaboration. A broader range of cases would have provided more powerful support to the findings. Although the cases were sufficient for theory refinement and building a tentative framework, they also call for further cases that would clarify whether these conclusions would be valid for other companies.Practical implicationsCollaboration with big-science centres provides companies with access to diverse types of knowledge. However, its impact on the future success in internationalisation also depends on other factors, such as the firm’s absorptive capacity and technological competence.Social implicationsGovernments invest substantially on the development of big-science centres with the expectation that they would have significant knowledge spillovers on the technology development. A more qualitative approach to impact assessment opens new ideas how to develop their activities and in particular their collaboration with SMEs.Originality/valueThe study reassesses the theory on the internationalisation process of the firm and gives voice to companies which have been marginalised in earlier research.
End users’ purchasing task involvement, power and influence strategies in organizational buying
Authors: Pedeliento Giuseppe , Andreini Daniela , Bergamaschi Mara , Salo Jari 
Published: November 2018

PurposeEnd users are often involved in organizational buying, but very little is known about the role that they play and how they influence purchasing decisions. This study aims to explore the factors behind end users’ attempts to influence purchasing and the strategies they use.Design/methodology/approachThe research draws on the concept of purchasing task involvement, which describes the feelings of personal relevance that a buying center member has for a specific organizational purchasing decision. This concept is used to gain a deeper understanding of users’ influence in organizational purchasing and link it to sources of power and the corresponding influence strategies. The study is based on 90 in-depth interviews with buyers, drivers and sellers of heavy trucks.FindingsEnd users’ purchasing task involvement is only marginally determined by the product’s performance or technical features. Purchasing task involvement leads to influence when there are specific power relationships between the buyer and the user and under specific circumstances.Originality/valueThis is the first study that links end users’ purchasing task involvement, power and influence strategies in organizational buying.
Doing well when doing good: the fit between corporate sponsorship and brand concept
Authors: Zhu Huawei , Li Qingan , Liao Junyun 
Published: November 2018

Purpose
Firms are now investing heavily in sponsorship, yet much of this sponsorship fails to deliver the expected positive outcomes to firms. This paper aims to address this problem by taking into consideration the nature of corporate sponsorship and the fit between brand image developed by corporate sponsorship and established brand concept.

Design/methodology/approach
Two separate studies were conducted. Study 1 aimed to test the main effect of two types of corporate sponsorship on consumer responses to the brand and the mediating role of brand image perception. Study 2 used a different design to test the moderating effect of brand concept. Data collected from two distinct samples were analyzed using MANCOVA and regression analysis.

Findings
The results from two studies indicated that two types of corporate sponsorship commercial and philanthropic influenced consumer response through varied mechanisms. Specifically, commercial sponsorship increased the competence perception of sponsors and thereby enhances purchase intention, while philanthropic sponsorship promoted brand attitude through strengthening the warmth perception of sponsors. Moreover, the fit between established brand concept and brand image perceptions is critical for consumer responses. That is, warmth perception was more congruent with the self-transcendence brand concept, while competence perception fitted better with the self-enhancement brand concept in increasing consumer responses.

Originality/value
This paper divides corporate sponsorship into commercial and philanthropic sponsorship and investigates the process of achieving fit when conducting corporate sponsorship. More important, this paper adds to the literature by investigating the interaction between brand image produced by corporate sponsorship and original brand concept, which helps to reveal how fit occurs when conducting sponsorship.
The use of mature models in advertisements and its contribution to the spirituality of older consumers
Authors: Chevalier Corinne , Moal-Ulvoas Gaelle 
Published: November 2018

PurposeThis paper aims to investigate the reaction to the use of senior models in ads by older consumers while taking into account their spiritual dimension in the context of ageing.Design/methodology/approachThis research relies on a qualitative approach and the narrative analysis of 40 transcribed interviews with older adults of age 50-83.FindingsInterviews with senior respondents confirm that ageing is a challenging individual process in the context of which spiritual needs emerge. Taking these needs into account helps understand the reaction of older consumers to the use of senior models in ads. It also reveals the potential of this marketing practice to respond to spiritual needs in the context of ageing.Research limitations/implicationsThis paper contributes to the understanding of older consumers’ reaction to the senior models they see in ads. It reveals the necessity to take spiritual needs into account to fully understand consumer behavior at old age. This paper contributes to the understanding of older consumers’ reaction to the senior models they see in ads. It reveals the necessity to take spiritual needs into account to fully understand consumer behavior at old age.Practical implicationsThis paper provides practical guidance to advertising professionals on the use of senior models in ads.Social implicationsThis research reveals that the adequate representation of older models in advertisements can help fight the negative stereotypes associated with ageing and contributes to highlighting the major role played by older adults in society.Originality/valueThis research is the first to investigate the relationship of older consumers to the senior models used in advertisements while taking into account their spiritual dimension. It extends the existing research on older consumers and advertising, especially their perception of senior models.
“The beat of my heart”: the relationship between resting heart rate and psychopathy in a prospective longitudinal study
Authors: Bergstrøm Henriette , Farrington David P. 
Published: November 2018

Purpose
The purpose of this paper is to investigate the relationship between resting heart rate (RHR) and psychopathy. The literature on heart rate vs criminality (including violence) is quite clear; low RHR is associated with engaging in violent and criminal behavior. However, results are not as consistent for psychopathy.

Design/methodology/approach
This paper analyzes heart rate measured at ages 18 and 48, and psychopathy at age 48, in the Cambridge Study in Delinquent Development (CSDD). The CSDD is a prospective longitudinal study that has followed 411 boys from childhood to middle age, and measured social and biological factors of interest to the field of criminal psychology.

Findings
Interestingly, it was only heart rate at age 18 that was negatively and significantly related to psychopathy at age 48. No trends or relationships were found between heart rate at age 48 and psychopathy at age 48. The findings do, however, indicate that low heart rate at age 18 predicts psychopathy at age 48, and the strongest negative relationships are found between low heart rate (beats per minute) and impulsive and antisocial psychopathic symptoms.

Originality/value
This is the first ever longitudinal study showing that low RHR predicts later psychopathy. Suggestions for future research are outlined.
Laser pulses and rotation effects with the temperature-dependent properties in micropolar thermoelastic solids with microtemperatures
Authors: Othman Mohamed I.A. , Tantawi Ramadan S. , Hilal Mohamed I.M. 
Published: November 2018

PurposeThe purpose of this paper is to report effect of rotation of micropolar thermoelastic solid with microtemperatures heated by laser pulses. The problem was solved analytically to obtain the expressions of the physical quantities.Design/methodology/approachThe analytical method used was the normal mode.FindingsNumerical results for the physical quantities were presented graphically and the results were analyzed. The comparisons were established in variant cases of the effects used and then shown graphically.Originality/valueIn the present work, the authors shall discuss the effect of rotation and temperature-dependent properties with the laser pulses in the micropolar thermoelastic medium with microtemperatures. This problem is very important in more empirical branches such as the human body and earthquake engineering.
Incorporation of whole oat, especially bran, into a high-fat diet, improves cardio-metabolic risk factors in type 2 diabetic rats
Authors: Bensalah Fatima , Harrat Nour el Imane , Affane Fouad , Chekkal Hadjera , Lamri-Senhadji Myriem 
Published: November 2018

PurposeThe purpose of this study was to determine the effects of whole oat, oat bran and refined oat incorporation in a high-fat diet (HFD) on cardio-metabolic risk biomarkers in rats with type 2 diabetes mellitus (T2DM).Design/methodology/approachT2DM was induced by feeding male rats with an HFD for 10 weeks, followed by a low dose of streptozotocin. T2DM rats were then divided into four homogeneous groups. Three groups consumed an HFD containing 45 per cent (g/100 g diet) whole oat, oat bran or refined oat. The fourth untreated group (control) received the HFD.FindingsThe results showed that whole oat and oat bran, compared with refined oat and control, effectively reduced food intake (p< 0.007), arterial blood pressure (p= 0.0001), glycemia (p< 0.001), insulinemia (p< 0.01), glycosylated haemoglobin (p< 0.001) as well as homeostasis insulin resistance (HOMA-IR) (p< 0.001). They also improved blood lipid levels and reverse cholesterol transport by reducing serum total cholesterol (p= 0.0001), triacylglycerols (p< 0.05), very-low- (p= 0.0001) and low-density lipoproteins cholesterol contents (p< 0.02) increasing lipids (p< 0.002) and cholesterol excretion (p= 0.0001), and high-density lipoprotein cholesteryl esters (HDL2-CE) concentrations (p= 0.0001) and stimulating lecithin: cholesterol acyltransferase (LCAT) activity (p= 0.0001). Moreover, they attenuated lipid peroxidation by increasing paraoxonase-1 (PON-1) atheroprotective activity (p< 0.05).Originality/valueIn T2DM rats, whole oat and particularly, its bran incorporated into an HFD improves arterial blood pressure, glycemic balance and lipid metabolic pathway by reducing hypertriglyceridemia and hypercholesterolemia and increasing atheroprotective activities of LCAT and PON-1. In contrast, refined oat accentuates the risk factors associated with diabetes.
Optimization of SLM process parameters for Ti6Al4V medical implants
Authors: Elsayed Mahmoud , Ghazy Mootaz , Youssef Yehia , Essa Khamis 
Published: November 2018

Purpose
Ti6Al4V alloy has received a great deal of attention in medical applications due to its biomechanical compatibility. However, the human bone stiffness is between 10 and 30 GPa while solid Ti6Al4V is several times stiffer, which would cause stress shielding with the surrounding bone, which can lead to implant and/or the surrounding bone’s failure.

Design/methodology/approach
In this work, the effect of selective laser melting (SLM) process parameters on the characteristics of Ti6Al4V samples, such as porosity level, surface roughness, elastic modulus and compressive strength (UCS), has been investigated using response surface method. The examined ranges of process parameters were 35-50 W for laser power, 100-400 mm/s for scan speed and 35-120 µm for hatch spacing. The process parameters have been optimized to obtain structures with properties very close to that in human bones.

Findings
The results showed that the porosity percentage of a SLM component could be increased by reducing the laser power and/or increasing the scan speed and hatch spacing. It was also shown that there was a reverse relationship between the porosity level and both the modulus of elasticity and UCS of the SLM part. In addition, the increased laser power was resulted into a substantial decrease of the surface roughness of SLM parts. Results from the optimization study revealed that the interaction between laser process parameters (i.e. laser power, laser speed, and the laser spacing) have the most significant influence on the mechanical properties of fabricated samples. The optimized values for the manufacturing of medical implants were 49 W, 400 mm/s and 99 µm for the laser power, laser speed and laser spacing, respectively. The corresponding porosity, surface roughness, modulus of elasticity and UCS were 23.62 per cent, 8.68 µm, 30 GPa and 522 MPa, respectively.

Originality/value
Previous investigations related to additive manufacturing of Ti alloys have focused on producing fully dense and high-integrity structures. There is a clear gap in literature regarding the simultaneous enhancement and adjustment of pore fraction, surface and mechanical properties of Ti6Al4V SLM components toward biomedical implants. This was the objective of the current study.