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The purpose of this paper is to develop a methodology to test the robustness of energy performance of highly to fully glazed office buildings in hot and arid climates using the net energy figures.

The paper uses a methodology to develop a base-case model for building energy simulation (BES) of highly to fully glazed office buildings followed by sensitivity analysis (linear regression model) to test the robustness of the results.

Net energy is best achieved on south, followed by southeast, and southwest façadesof the bulding; the increase in d/l ratio has a diverse effect, while there is a significant influence of glazing systems on the resultant net energy figures.

The lack of experimental data for Integrated Façade System (IFS) with its various applications in the existing body of knowledge forms the main limitation of this research.

Findings can be of practical use to practitioners and academics to assist them as a decision tool when working on the energy performance of IFS.

The research contributes to energy consumption reduction in office building stock at peak times, lowering the consequent energy shortage and blackouts for non-office buildings with clear positive social impacts.

Adopting a systemic approach in BES studies will help further the understanding on the impact of some phenomena and justify how the contributory parameters would behave when combined effects are under investigations.

Highlighting the need for a profound move towards desecularisation of Islamic scholarship, this conceptual paper aims to clarify the concept of causality from the Islamic marketing research perspective and extends a number of suggestions for improving theory building and hypothesis development in the field.

The approach taken is largely conceptual. In addition, this study collates the stated hypotheses in the articles published in this journal in the past five years and analyses the structure of causal statements to uncover key tendencies.

The review of historical and current views on causality indicates that most commentators agree that assuming the existence of the necessary connection between cause and effect is misleading. The Islamic traditions based on occasionalism and modern science agree that causal statements reflect, at best, probabilistic assumptions.

This paper offers a number of insights and recommendations for theory building and hypothesis development in Islamic marketing. By following the occasionalism perspective and the notion of Sunnah of Allah, researchers will be able to build methodologically coherent and genuine Islamic marketing knowledge.

Correctly stated and tested hypotheses can be used by public policymakers to enforce effective consumer and market policies.

This paper tackles a complex issue of causality in Islamic marketing research which has not hitherto been discussed well in the literature. This research is also a unique step towards developing pioneering avenues within the domain of Islamic marketing research methodology.

The purpose of this study is twofold: to examine the impact of entrepreneurial competencies and innovation on manufacturing small and medium-sized enterprises' (SMEs) sustainable performance and to explore the role of innovation as a mediator on the relationship between entrepreneurial competencies and manufacturing SMEs' sustainable performance.

Data collected from manufacturing SMEs in Malaysia were analysed via the partial least squares-structural equation modelling (PLS-SEM) approach.

The results reveal that entrepreneurial competencies play a robust and noteworthy role in promoting innovation and the sustainable performance of manufacturing SMEs, respectively. Further, innovation has a partially mediated effect on the link between entrepreneurial competencies and manufacturing SMEs' sustainable performance. Manufacturing SMEs' aspirations to be the first to market with new products are reflected in these SMEs' implementation of positive entrepreneurial competencies or capabilities which enable them to scan the environment to identify high-quality business opportunities and respond through these SMEs' Research and Development (R&D) activities to create products that provide real benefit to customers' needs. Hence, these SME's seize the market opportunities.

Manufacturing SMEs' sustainable performance should be strengthened by linking entrepreneurial competencies with innovation to nurture greater agility to respond quickly to change and market demands. These SMEs should conduct tactical meetings on a regular basis to discuss current projects and assess critical indicators, as well as to identify and test fresh ideas for innovation and new business ventures in order to achieve sustainable performance in challenging business environments.

By applying the resource-based view (RBV) theory and the triple bottom line (TBL) framework into a single framework, this study highlights the role of innovation as a meaningful mediator between entrepreneurial competencies and manufacturing SMEs' sustainable performance. As exploration of this relationship has been very limited, the study makes a novel contribution to the extant literature.