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Purpose – This chapter provides details of research that attempts to relate traffic operational conditions on uninterrupted flow facilities (e.g., freeways and expressways) with real-time crash likelihood. Unlike incident detection, the purpose of this line of work is to proactively assess crash likelihood and potentially reduce the likelihood through proactive traffic management techniques, including variable speed limit and ramp metering among others.

Methodology – The chapter distinguishes between the traditional aggregate crash frequency-based approach to safety evaluation and the approach needed for real-time crash risk estimation. Key references from the literature are summarised in terms of the reported effect of different traffic characteristics that can be derived in near real-time, including average speed, temporal variation in speed, volume and lane-occupancy, on crash occurrence.

Findings – Traffic and weather parameters are among the real-time crash-contributing factors. Among the most significant traffic parameters is speed particularly in the form of coefficient of variation of speed.

Research implications – In the traffic safety field, traditional data sources are infrastructure-based traffic detection systems. In the future, if automatic traffic detection systems could provide reliable data at the vehicle level, new variables such as headway could be introduced. Transferability of real-time crash prediction models is also of interest. Also, the potential effects of different management strategies to reduce real-time crash risk could be evaluated in a simulation environment.

Practical implications – This line of research has been at the forefront of bringing data mining and other machine-learning techniques into the traffic management arena. We expect these analysis techniques to play a more important role in real-time traffic management, not just for safety evaluation but also for congestion pricing and alternate routing.

The purpose of the paper is to showcase the significant achievements of Egypt's scientists in the 20th century across various fields of study such as medicine, physics, chemistry, biology, math, geology, astronomy and engineering. The paper highlights the struggles and successes of these scientists, as well as the cultural, social and political factors that influenced their lives and work. The aim is to inspire young people to pursue careers in science and make their own contributions to society by presenting these scientists as role models for hard work and dedication. Ultimately, the paper seeks to promote the importance of science and its impact on society.

The purpose of this review is to present the scientific biographies of Egypt's most distinguished scientists, primarily in the field of Natural Sciences, in a balanced and comprehensive manner. The work is objective, honest and abstract, avoiding any bias or exaggeration. The author provides a clear and concise methodology, including a brief introduction to the scientist and their field of study, an explanation of their major contributions, the impact of their work on society, any challenges or obstacles faced during their career and their lasting legacy. The aim is to showcase the important achievements of these scientists, their impact on their respective fields and to inspire future generations to pursue scientific careers.

The group of outstanding scientists in 20th century Egypt were shaped by various factors, including familial upbringing, education, society, political and cultural atmosphere and state support for scientific research. These scientists made significant contributions to various academic disciplines, including medicine, physics, chemistry, biology, mathematics and engineering. Their impact on their communities and cultures has received international acclaim, making them role models for future generations of scientists and researchers. The history of these scientists highlights the importance of educational investments and supporting scientific research to foster innovation and social progress. The encyclopedia serves as a useful tool for students, instructors and education professionals, preserving Egypt's scientific heritage and honouring the scientists' outstanding accomplishments.

The encyclopedia preserves Egypt's scientific heritage, which has been overlooked for political or other reasons. It is a useful tool for a variety of readers, including students, instructors and education professionals, and it offers insights into universally relevant scientific success factors as well as scientific research methodologies. The encyclopedia honours the outstanding scientific accomplishments of Egyptian researchers and their contributions to the world's scientific community.

The practical implications of this paper are several. First, it highlights the importance of education, family upbringing and societal support for scientific research in fostering innovation and social progress. Second, it underscores the need for continued funding and support for scientific research to maintain and build upon the accomplishments of past generations of scientists. Third, it encourages young people to pursue scientific careers and make their own contributions to society. Fourth, it preserves the scientific heritage of Egypt and honors the contributions of its outstanding scientists. Finally, it serves as a useful tool for students, instructors and education professionals seeking to understand the factors underlying scientific success and research methodologies.

The social implications of the paper include promoting national pride and cultural identity, raising awareness of the importance of education and scientific research in driving social progress, inspiring future generations of scientists and researchers, reducing socioeconomic disparities and emphasizing the role of society, politics and culture in shaping scientific researchers' personalities and interests.

The paper's originality/value lies in its comprehensive documentation of the scientific biographies of Egypt's most prominent scientists in the 20th century, providing unique insights into the factors that contributed to their development and their impact across various academic disciplines. It preserves Egypt's scientific heritage and inspires future generations of scientists and researchers through the promotion of educational investments and scientific research. The encyclopedia serves as a useful tool for education professionals seeking to understand scientific success factors and research methodologies, emphasizing the importance of supportive and inclusive environments for scientific development.

Love of life (LOL) is a new construct in positive psychology. LOL is defined by a generally positive evaluation of one’s own life, positive regard towards life and a pleasurable attachment to life. The purpose of this study is that LOL is associated with quality of life (QOL) and could be predicted by some of its subscales.

A sample of Alexandria University undergraduates took part in this study (n = 298). They responded to the WHOQOL Brief and LOL scales.

Men obtained significantly higher mean total scores than did women for general health, and the physical and psychological domains of QOL. All the Pearson correlations between LOL and QOL were significant except for two correlations for women. The strongest correlation with LOL is for the psychological QOL domain. Principal components analysis extracted one component for men which was labeled “QOL and LOL.” For women, two components were extracted, which were labeled “QOL and LOL” and “General and physical health.” Predictors of LOL were psychological and social QOL domains (men), and psychological, social and environmental QOL domains (women). It was concluded that LOL is associated with QOL, in particular, the psychological subscale. Furthermore, LOL can predict QOL, in particular, the psychological and social domains.

This study used nonprobability sampling with a sample of students drawn from only one university. So, it may be difficult to generalize the findings.

LOL is a comparatively new concept in the field of positive psychology.

Auditing, accounting, finance, control.

Upper level undergraduate, MBA, MS accounting.

This case takes an internal approach by exploring how PricewaterhouseCoopers - Egypt develops and applies industry specialization in an emerging market such as Egypt. The case focuses on three aspects of specialization. First, the strategic drivers behind specialization. Second, the internal processes of building industry-specific knowledge. Finally, the costs and benefits of specialization.

Industry specialization is a strategy:

• Specialization is a strategy primarily used by Big 4 auditing firms, such as PwC-Egypt as a means of differentiating it self from the market.

Specialization is a strategy primarily used by Big 4 auditing firms, such as PwC-Egypt as a means of differentiating it self from the market.

Industry specialization is a culture:

• For specialization to be fully effective a learning culture should be in place in which firm personnel are committed to continually seek new in-depth knowledge about clients and their industries.

For specialization to be fully effective a learning culture should be in place in which firm personnel are committed to continually seek new in-depth knowledge about clients and their industries.

Human resources are the most valuable asset of auditing firms:

• Auditing is a service that involves extensive professional judgment. Thus, knowledge and expertise of its personnel is what differentiates one auditing firm's staff from another.

Auditing is a service that involves extensive professional judgment. Thus, knowledge and expertise of its personnel is what differentiates one auditing firm's staff from another.

Teaching notes.

Businesses of all sizes are susceptible to unforeseen shocks, which could have severe adverse effects on its brand, its reputation and even its survival. This case draws on three main streams of academic business literature and bodies of knowledge that come into play under such circumstances: reputational risk, crisis management and social media.

The author used primary and secondary sources in the research and development of this case. An interview with one of the cofounders of The Bakery Shop (TBS) provided a primary first-hand account of the events leading to this crisis and the subsequent remedial actions taken. The author supplemented this research with information from TBS’s website, social media accounts and TBS-provided material.

In 2015, TBS, a growing Egyptian business specializing in premium baked goods, launched a new fusion dessert “The Croissant Om Ali.” Triggered by social media, the new product was an instant hit, resulting in orders that exceeded TBS’s initial projection. However, the business suffered a sudden turn of events when some consumers showed symptoms of food poisoning. Once again, social media came into play with an aggressive customer backlash toward TBS. Its cofounders devised an appropriate action plan to address the crisis and salvage TBS’s tarnished reputation.

This case is written primarily for an introductory business course for first-year students of business and other closely related disciplines. This case mainly addresses crisis management as a means of restoring corporate reputation. It also highlights the important role of social media in a crisis.

The purpose of this paper is to evaluate the effect of different drying methods on quality attributes of beetroot slices.

Three drying methods (sun, oven and freeze-drying) were applied to dry fresh slices of beetroot cultivar (Beta vulgaris). The chemical composition, minerals, nitrate, betalains, total phenolic, total flavonoid and color were measured for fresh and dried slices.

The chemical composition, minerals, nitrate, bioactive compounds and color were measured for fresh and dried slices. Regardless of the drying method, the results showed that the chemical composition, total energy, minerals and nitrate of the dried slices were significantly (p=0.05) increased compared to that of fresh slices. Sun and oven drying of the slices significantly (p=0.05) reduced total betalain and betacynin. However, betaxanthin was significantly (p=0.05) increased. Total phenolics content of fresh beetroot was significantly (p=0.05) increased after sun and oven drying but total flavonoids were decreased. The 2,2,-diphenyl-2-picryl-hydrazyl (DPPH) of fresh beetroot was increased significantly (p=0.05) after sun and oven drying. The measurement of the color of the powder showed that there is a decrease in lightness (L) depending on the drying method applied. A maximum reduction in lightness was observed in powder of sun-dried slices. The color of the powder obtained from freeze-dried slices was stable compared to other drying methods.

Beetroot is a rich source of nutrients but with short shelf life. Dried beetroot has more keeping quality than the fresh one.

The study uses beetroot as a rich source of nutrients as well as natural antioxidant source. Betalain compounds are preserved in beetroot and a high source of phenolics and flavonoids. Flavonoids are a group of phenolic products of plant metabolism with high antioxidant properties to protect against diseases without side effects.

In today's dynamic and competitive environment, innovation is a key requirement for hotels to survive, be profitable and sustain their competitive advantages. However, because the study of innovation in the hospitality industry has only developed recently, little is still known about its determining factors. Given this, this study aims to theorize and test with empirical data the effects of two key dimensions of strategic planning (i.e. participation and flexibility) on innovation.

Using a fully standardized questionnaire, data were gathered from a sample of 150 hotels in Dubai, by a professional market research firm, through face-to-face interviews. The study hypotheses are tested with partial least squares structural equation models. The study has three limitations: first, its data are cross-sectional and the analyses are post hoc; second, it uses single informants; and third, the sample was primarily from a single setting, i.e. Dubai.

The study argues that participation and flexibility in strategic planning are positively related. It also argues that flexibility is positively related to innovation and that flexibility mediates the effects of participation in strategic planning on innovation. Empirical support is found for all the examined relationships.

The study takes place in a unique setting (i.e. Dubai, United Arab Emirates) where research on organizational innovation has been rather limited to date. The findings have important implications for the stream of literature in this field and for practitioners and sustaining competitive advantages of hotels.

This paper aims to examine whether female representation on boards is significantly associated with audit fees paid by top Egyptian listed companies.

The authors collect data on audit fees, board of directors' characteristics and financial data for the top 100 companies listed on the Egyptian Exchange (EGX100) for a period of six years. The authors employ an ordinary least squares regression model to capture the relationship between board diversity (i.e. the proportion of female board directors) and the natural logarithm of audit fees while controlling for firm and industry fixed effects as well as other known firm characteristics.

The authors find that audit fees are significantly associated with the proportion of females serving on firms' boards of directors. The findings suggest a complementary relationship between females on boards, as a quality-enhancing board attribute; and audit fees, as a proxy for audit effort and audit quality.

Limitations of this study arise first from the relatively small sample size, and second from the fact that inferences may be specific to the Egyptian context and similar markets.

The results have important implications for Egyptian policy makers and regulators in terms of board composition.

This study provides empirical evidence that further enforces the business case for women's empowerment and the impact of this on the effectiveness of corporate governance.

To the best of the authors’ knowledge, this is the first archival study to examine the association between female board representation and audit fees in Egypt.

This paper aims to explore to what extent can the Saudi–US alliance endure, given the several challenges it has faced over the past decade. Using a conceptual framework from the alliance theory, the paper will trace the historical evolution of the alliance between the two countries, then will identify some of the challenges that have faced the alliance on both the regional and bilateral levels, and finally will assess the impact of these challenges on the resilience of the Saudi–US alliance.

This paper will use the alliance theory literature to analyze the challenges and the resilience of the Saudi–US relations.

The Saudi–US alliance has encountered several challenges in the past decade such as the Arab spring, the Iranian nuclear deal and the Civil War in Syria and Yemen. However, this alliance proved to be resilient, and the strategic partnership between the two countries managed to overcome these challenges.

The importance of this paper stems from the fact that the USA and the Saudi Arabia are two pivotal countries, and their relationship affects regional and international dynamics. The paper contributes to the literature on the Saudi–US bilateral relations as well as their views on recent regional issues such as the Arab Spring, the civil war in Yemen and Syria. Assessing the limits and potentials of the alliance between the two countries could also help us understand the future of regional developments in the Middle East.