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The purpose of this study is to propose a conceptual framework for the exploration of appropriate lean techniques applicable to medium and large construction companies and measure their impact on the competitiveness and economic performance of construction companies in United Arab Emirates.

A questionnaire survey is conducted on 215 construction professionals in UAE to investigate the lean technique’s effect on the construction companies’ performance. The data collected were analyzed with SPSS 20.0 version software using the Cronbach’s a reliability test, correlation coefficient test and Kaiser–Meyer–Olkin test.

Analysis of lean techniques in the construction industry reveals 21 lean techniques. These techniques were categorized into the six types of lean core values. Process focus was found to be the most applied type of construction core value in the surveyed companies. This is required to focus on applying other core values as it will impact the company’s economic performance positively.

The integrity of the research findings is based on the accuracy and reliability of collected data from 215 respondents working for construction companies in UAE, implementing lean construction techniques within a their daily activates and not achieving significant project achievements in terms of quality improvement, speed and cost reduction without adopting the overall lean construction framework.

This research recommends a systematic approach for the implementation of the anticipated framework within a cyclical look-ahead period and emphasizes the practical implications of the proposed approach in the construction companies.

Research significance emphasizes increasing the effectiveness of the construction industry and influences the development of lean construction framework, which improves lean construction practices using the lean techniques. This contributes to the effort of applying lean techniques in the construction industry. Limited studies have been done in the construction industry, mainly in UAE, compared to lean manufacturing.

The purpose of this paper is to differentiate between sustainable and green construction and significantly contribute to empirical investigations related to the impact of green construction factors on sustainable performance and to test the theory of planned behavior in the construction context and empirically assess green construction factors and the performance model. The model incorporates green construction factors that link construction activities with suppliers and customers to support environmental sustainability.

Data collected from 120 construction industry respondents were analyzed using exploratory factor analysis, which identified seven green construction factors. Two conformity factor analysis models were created to test the relationship fitness of the components and measure the impact of green construction factors on the sustainable performance of the construction.

The results provide substantial evidence that shows that the adoption of green construction factors by construction firms leads to improved sustainable performance. The overall perspective of respondents within the construction industry, according to the questionnaire survey, shows that the benefits, such as an improved corporate image and sustainable competitive advantage, increase compliance with customers’ expectations within the construction industry.

This study covered private construction companies and measured the construction industry professional’s feedback without including the clients.

The results of this study will support the future success of ecological sustainability and green construction initiatives, mainly on enforcement and incentives; moreover, the results of this study will ensure that regulations will cover green practices for all types of projects and will be formally monitored for compliance.

The originality of this paper stems from drawing boundaries between green and sustainable construction and exploring the impact of green management on the sustainable performance of the construction industry. Most of the related previous works have used the concepts of green and sustainability interchangeably, and there is a lack of studies in this regard, particularly in the construction industry.

The healthcare system has been under pressure to provide timely and quality healthcare. The influx of patients in the emergency departments (EDs) is testing the capacity of the system to its limit. In order to increase EDs' capacity and performance, healthcare managers and practitioners are adopting process improvement (PI) approaches in their operations. Thus, this study aims to identify the main PI approaches implemented in EDs, as well as the benefits and barriers to implement these approaches.

The study is based on a rigorous systematic literature review of 115 papers. Furthermore, under the lens of thematic analysis, the authors present the descriptive and prescriptive findings.

The descriptive analysis found copious information related to PI approaches implemented in EDs, such as main PIs used in EDs, type of methodological procedures applied, as well as a set of barriers and benefits. Aiming to provide an in-depth analysis and prescriptive results, the authors carried out a thematic analysis that found underlying barriers (e.g. organisational, technical and behavioural) and benefits (e.g. for patients, the organisation and processes) of PI implementation in EDs.

The authors contribute to knowledge by providing a comprehensive review of the main PI methodologies applied in EDs, underscoring the most prominent ones. This study goes beyond descriptive studies that identify lists of barriers and benefits, and instead the authors categorize prescriptive elements that influence these barriers and benefits. Finally, this study raises discussions about the behavioural influence of patients and medical staff on the implementation of PI approaches.