Controversial debates about workforce nationalisation: Perspectives from the Qatari higher education industry

Workforce nationalisation in the Gulf Corporation Council (GCC) countries is a crucial challenge for their development plans. The current study explores controversial debates about workforce nationalisation to understand the existing threats from the views of less examined key stakeholders, namely, educators and senior students. The study argues that the identified obstacles relate not only to policy flaws but also to the education – employability gap, phantom employment, and detrimental social and community perceptions. Given its exploratory nature, the study adopts a qualitative approach and uses 28 semi-structured interviews to identify critical obstacles to effective workforce nationalisation from human development, legal development, and socio-cultural perspectives. The findings contribute to the literature on GCC workforce nationalisation by unpacking educators’ and senior students’ views

Revisiting the relationship between formal planning process and planning effectiveness: Do organizational capabilities and decision-making style matter?

Purpose: The purpose of this study is to address a timely research question by clarifying whether formal planning is a worthy approach for hotels. In so doing, the authors developed a theoretical model that extends prior research by exploring how the formal planning process influences organizational capabilities and decision-making style. The model also examines the impact of the three identified factors on planning effectiveness. Design/methodology/approach: Data were collected from 175 hotels located in United Arab Emirates (UAE) and Qatar and hypotheses were tested using structural equation modeling (SEM). Findings: The study concludes that the practice of formal planning in the tourism sector does matter and both organizational capabilities and decision-making style are important factors in predicting planning effectiveness. Research limitations/implications: Generalizations to organizations operating in other sectors, such as manufacturing or government sectors, should be drawn cautiously. Practical implications: Taking into account oil price volatility and serious political crises in the region, this study provides several insights to hotel managers into how the formal planning process can influence planning effectiveness. Originality/value: The findings enrich the debate on the role of formal planning in the tourism sector, which has been relatively devoid of similar studies. ? 2018, Said Elbanna, Tamer H. Elsharnouby.The authors acknowledge the fund received from Qatar University to conduct this study (Grant Number: QUUG-CBE-DMM-14/15-2).Scopu

Do different marketing practices pre-suppose different frames of reference? An exploratory study

Purpose: The role of managerial assumptions in the formulation of organizational strategies has been well recognized by previous studies, yet in marketing literature, the effect of such imperative on marketing practice choice tends to be ignored. Therefore, this paper aims to empirically investigate how management assumptions fit with the choice of marketing practices, and how such fit affects performance. Design/methodology/approach: A model is developed and tested using survey methodology, and the data are analyzed using the partial least square (PLS) approach. Findings: The results show that different marketing practices were coupled with different frames of reference, resulting in viable matching profiles. Research limitations/implications: Given the novelty of the approach adopted in this study, conclusions about association and not causation are drawn. In addition, the study is restricted to Qatar which may reduce the generalizability of its findings and conclusions. Practical implications: The findings will help managers to examine carefully the internal logic of their marketing-related profiling, where coherent variables will enhance performance. Originality/value: To one’s knowledge, this paper reports a work in an area not previously researched. In addition, this study is one of the rare papers that examines unobserved heterogeneity using the PLS-structural equation modeling (SEM) in the field of marketing. © 2018, Allam Abu Farha and Said Elbanna.Scopu

Shear flow of angular grains: acoustic effects and non-monotonic rate dependence of volume

Naturally-occurring granular materials often consist of angular particles whose shape and frictional characteristics may have important implications on macroscopic flow rheology. In this paper, we provide a theoretical account for the peculiar phenomenon of auto-acoustic compaction -- non-monotonic variation of shear band volume with shear rate in angular particles -- recently observed in experiments. Our approach is based on the notion that the volume of a granular material is determined by an effective-disorder temperature known as the compactivity. Noise sources in a driven granular material couple its various degrees of freedom and the environment, causing the flow of entropy between them. The grain-scale dynamics is described by the shear-transformation-zone (STZ) theory of granular flow, which accounts for irreversible plastic deformation in terms of localized flow defects whose density is governed by the state of configurational disorder. To model the effects of grain shape and frictional characteristics, we propose an Ising-like internal variable to account for nearest-neighbor grain interlocking and geometric frustration, and interpret the effect of friction as an acoustic noise strength. We show quantitative agreement between experimental measurements and theoretical predictions, and propose additional experiments that provide stringent tests on the new theoretical elements.Comment: 12 pages, 3 figure

Development of Gulf Cooperation Council human resources: an evidence-based review of workforce nationalization

Purpose – This study aimed to contribute to the field of Human Resource Management (HRM) by providing a critical review of existing scholarly research and a thematic analysis of the workforce nationalization domain in the Gulf Cooperation Council (GCC) countries. To strengthen the literature on this topic, it seeks to identify key gaps and areas for further exploration. Design/methodology/approach – A two-step systematic research methodology (qualitative and quantitative) and a thematic analysis of empirical and theoretical studies were used in this study. The quantitative review was conducted using a predesigned coding framework. Findings – The study identified and discussed four perspectives of workforce nationalization in the GCC countries. These were (1) the conceptualization of workforce nationalization; (2) the role of institutional policies in achieving it; (3) the practices and outcomes of nationalization efforts and (4) the impact of gender and women in the nationalization process. Research limitations/implications – This study has several limitations, which the authors have addressed by proposing several future research avenues. For example, the reviewed studies are skewed toward certain countries (e.g. UAE and Saudi Arabia), which limits the generalizability of their findings. Practical implications – A more comprehensive definition of nationalization, development of qualitative and quantitative measures to enhance HRM practices and outcomes, and the identification of alternative approaches to improve the employment of locals are emphasized as needs. Additionally, revised measures and mechanisms to rectify negative perceptions about entitlement and the revision of policies to integrate females in the national labor force are suggested. Originality/value – Workforce nationalization initiatives in the GCC region offer a unique and rich research phenomenon replete with managerial, organizational, economic and political dilemmas. The investigation of this phenomenon would profoundly enlighten employers, policymakers and scholars. Keywords GCC countries, Workforce nationalization, Localization, Human resource management Paper type Literature revie

Stick-slip instabilities in sheared granular flow: the role of friction and acoustic vibrations

We propose a theory of shear flow in dense granular materials. A key ingredient of the theory is an effective temperature that determines how the material responds to external driving forces such as shear stresses and vibrations. We show that, within our model, friction between grains produces stick-slip behavior at intermediate shear rates, even if the material is rate-strengthening at larger rates. In addition, externally generated acoustic vibrations alter the stick-slip amplitude, or suppress stick-slip altogether, depending on the pressure and shear rate. We construct a phase diagram that indicates the parameter regimes for which stick-slip occurs in the presence and absence of acoustic vibrations of a fixed amplitude and frequency. These results connect the microscopic physics to macroscopic dynamics, and thus produce useful information about a variety of granular phenomena including rupture and slip along earthquake faults, the remote triggering of instabilities, and the control of friction in material processing.Comment: 12 pages, 8 figure

Can board environmental orientation improve U.S. firms' carbon performance? The mediating role of carbon strategy

Overwhelming evidence from prior research suggests a positive association between corporate board characteristics and carbon performance; however, very little is known about the mechanisms linking the two variables. This study attempts to fill this gap by developing and empirically testing a conceptual model that highlights the role of carbon strategy in the relationship between board environmental orientation (BEO) and carbon performance. We argue that BEO can directly and indirectly influence carbon performance through carbon strategy. Using structural equation modelling to analyse data consisting of 2,301 US firm-year observations over the 2005-2015 period, we find that the greater the BEO is, the better its carbon performance (i.e., lower greenhouse gas emissions). The results also provide evidence of the mediating effect of carbon strategy on the relationship between BEO and carbon performance. Splitting the sample into high and low carbon-intensive industries shows a partial mediation effect in high carbon-intensive industries and a full mediation effect in low carbon-intensive industries. The findings of the study and its implications for scholars, policy makers, managers, investors and environmentalists are discussed

Patterns of resource use by milkweed insects in Sinai

Plant morphology and defensive chemistry are related to the insect community of herbivores on Gomphocarpus sinaicus (Boiss.) (Apocynaceae) in Sinai (Egypt). There appears to be significant variation among individual plants in the components of their chemical defences. The different components of the community respond differently to plant characters; plant defence appears to be an important determinant of the relative abundances of the insect species. The data showed an indications of different relationships of the insect herbivores to levels ofchemical defences, especially aphids. While weevil and bug densities covaried, those of aphids varied more independently, and possibly inversely. The community is compared with the much better known North American herbivore community on plants of the sister-genus Asclepias

Poly (γ) glutamic acid: a unique microbial biopolymer with diverse commercial applicability

Microbial biopolymers have emerged as promising solutions for environmental pollution-related human health issues. Poly-γ-glutamic acid (γ-PGA), a natural anionic polymeric compound, is composed of highly viscous homo-polyamide of D and L-glutamic acid units. The extracellular water solubility of PGA biopolymer facilitates its complete biodegradation and makes it safe for humans. The unique properties have enabled its applications in healthcare, pharmaceuticals, water treatment, foods, and other domains. It is applied as a thickener, taste-masking agent, stabilizer, texture modifier, moisturizer, bitterness-reducing agent, probiotics cryoprotectant, and protein crystallization agent in food industries. γ-PGA is employed as a biological adhesive, drug carrier, and non-viral vector for safe gene delivery in tissue engineering, pharmaceuticals, and medicine. It is also used as a moisturizer to improve the quality of hair care and skincare cosmetic products. In agriculture, it serves as an ideal stabilizer, environment-friendly fertilizer synergist, plant-growth promoter, metal biosorbent in soil washing, and animal feed additive to reduce body fat and enhance egg-shell strength

CHEMICAL INVESTIGATION OF BAUHINIA VAHLII WIGHT AND ARNOTT LEAVES GROWN IN EGYPT

Objective: Plants of genus Bauhinia are famous for their rich flavonoid content. Several phytochemical and biological investigations affirmed the role of flavonoids in the different biological impacts exerted by Bauhinia plants. The present study aims to investigate the major phytoconstituents of the leaves of B. vahlii Wight and Arnott.Methods: Powdered leaves were extracted with n-hexane (HE) and the defatted marc was extracted with 70% ethanol. The defatted ethanolic extract (DEE) was further partitioned with solvents of increasing polarities. The HE and polar fractions of DEE were purified using different chromatographic techniques and isolated compounds were identified through their melting points, 1D and 2D NMR, UV and MS spectral data.Results: A total of nine compounds were isolated and identified. Taraxerol (1), a pentacyclic triterpene, and β-sitosterol (2) were isolated from HE. Investigation of polar fractions of DEE yielded six flavonoids and a phenolic acid, namely luteolin (3), quercetin (4), gallic acid (5), avicularin (6), quercitrin (7), hyperoside (8) and quercetin-3-O-β-sophoroside (9).Conclusion: Flavonols of the quercetin nucleus were the major detected constituents in B. vahlii leaves. Taraxerol, avicularin and quercetin-3-O-β-sophoroside are isolated for the first time from the genus Bauhinia. Results of this study encourage future pharmacological investigation of B. vahlii due to the presence of biologically active flavonoids and phytosterols.Keywords: Bauhinia vahlii Wight, Arnott., Polar extractives, Flavonols, Quercetin, TaraxerolÂ