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Customer segmentation is an important research area that helps organizations to improve their services according to customer needs. With the increased information that shows customer attitudes, it is much easier and also more necessary than before to analyze customer responses on different campaigns. Recency, frequency, and monetary (RFM) analysis allows us to segment customers according to their common features. In this chapter, customer segmentation and RFM analysis are explained first, then a real case application of RFM analysis on customer segmentation for a Fuel company is presented. At the end of the application part, possible strategies for the company are generated.

The aim of this research, which is based on social identity theory (SIT), is to investigate the effect of leader vision (LV) and crab syndrome (CS) on creativity. The impact of LV and CS, as well as psychological ownership (PO), on creativity is examined. It is also to determine the mediating role of PO and the moderating role of instrumental climate (IC) in these relationships.

The research was carried out with the quantitative research method by adopting the screening design. Deductive logic approach was used to develop hypotheses and theoretical framework. The textile sector, where the emphasis on creativity is at the forefront, was chosen as an example. Data without common method variance (CMV) error were analyzed by structural equation modeling (SEM).

The results of the research show that LV is positively related to creativity, while CS is negatively related to creativity. Additionally, a positive correlation has been identified between PO and creativity. It has been revealed that PO has a mediation role in the relationship between the LV and creativity, and the relationship between the CS and creativity. It has been also determined that IC has a moderator role between the LV and PO.

This study introduces a novel perspective on creativity through the integration of the LV and CS concepts. Furthermore, it contributes significantly to the existing creativity literature by examining the impact of PO on creativity and the mediating role of PO.

A quantitative study sought to better understand responsible leadership (RL) style in the private security sector. The authors analyzed RL’s mediating role in the relationship between rules climate (RC) and employees' perceived organizational support (POS).

The data were collected through an online questionnaire administered to full-time private guards in Ankara (Turkey). A mediation model was proposed, and research hypotheses were tested with structural equation modeling (SEM).

The results indicate a significant positive relationship between the company’s RC and managers' RL, and a positive significant relationship between managers' RL and employees' POS. RL mediates the relationship between company’s RC and employees' POS.

The theoretical framework draws on conservation of resources (COR) theory to consider RL an effective resource. The organization’s RC was a key factor the affecting leader’s responsible behaviors.

This study explores a thriving leadership style, gaining research attention across fields. To the authors' knowledge, no prior research has studied this leadership style in the security sector. The authors use COR to increase understanding of an important antecedent (company’s RC) and consequence (employees' POS) of RL, highlighting this emerging style’s mediating role.

Este artículo de enfoque cuantitativo favorece una mayor comprensión del liderazgo responsable (RL) en el sector de la seguridad privada. Analiza el papel mediador de este estilo de liderazgo en la relación entre un clima de regulación (RC) y la percepción de los trabajadores del apoyo organizacional (POS).

Los datos fueron recolectados a través de un cuestionario online que se administró a guardas de seguridad privados empleados a tiempo completo en la región de Ankara (Turquía). Se propone un modelo de mediación y se comprueban las hipótesis propuestas a través de ecuaciones estructurales con el software (SEM).

Los resultados obtenidos indican una relación positiva y significativa entre el RC y el liderazgo responsable de los superiores, así como una relación también positiva y significativa entre el RL y la POS de los empleados. Se encuentra que el RL media la relación entre el RC y el POS.

Bajo el marco teórico de la Teoría de Conservación de Recursos (COR) se considera que el RL es un recurso altamente efectivo para las organizaciones. El RC de la organización se perfila como un factor clave que afecta los comportamientos del líder responsable.

El diseño transversal del estudio (datos recogidos en un memento del tiempo) y el uso de una muestra de conveniencia son las principales limitaciones del trabajo.

Este estudio explora un estilo de liderazgo aún desconocido, pero con gran potencial, que está ganando fuerza en el ámbito de la investigación científica en los últimos años. Según nuestro conocimiento, se trata del primer estudio que explora este novedoso estilo de liderazgo en el sector de la seguridad privada. El empleo de la Teoría COR favorece la comprensión del RC como un antecedente de este estilo de liderazgo (RL), y también contribuye a comprender la POS de los empleados como clara consecuencia, destacando el papel mediador de este estilo de liderazgo emergente.

The present study investigates human behavioral and emotional experiences based on human-built environment interaction with a specific interest in urban graffiti displaying fear and pleasure-inducing facial expressions. Regarding human behavioral and emotional experience, two questions are asked for the outcome of human responses and two hypotheses are formulated. H1 is based on the behavioral experience and posits that the urban graffiti displaying fear and pleasure-inducing facial expressions elicit specified behavioral fear and pleasure responses. H2 is based on emotional experience and states that the urban graffiti displaying fear and pleasure-inducing facial expressions elicit specified emotional fear and pleasure responses.

The research design is developed as a multi-method approach, applying a lab-based experimental strategy (N:39). The research equipment includes a mobile electroencephalogram (EEG) and a Virtual Reality (VR) headset. The behavioral and emotional human responses concerning the representational features of urban graffiti are assessed objectively by measuring physiological variables, EEG signals and subjectively by behavioral variables, systematic behavioral observation and self-report variables, Self-assessment Manikin (SAM) questionnaire. Additionally, correlational analyses between behavioral and emotional results are performed.

The findings of behavioral and emotional evaluations and correlational results show that specialized fear and pleasure response patterns occur due to the affective characteristics of the urban graffiti's representational features, supporting our hypotheses. As a result, the characteristics of behavioral fear and pleasure response and emotional fear and pleasure response are identified.

The present paper contributes to the literature on human-built environment interactions by using physiological, behavioral and self-report measurements as indicators of human behavioral and emotional experiences. Additionally, the literature on urban graffiti is expanded by studying the representational features of urban graffiti as a parameter of investigating human experience in the built environment.

This paper aims to explain the mediating role of relational energy and the moderating role of other-focused interest in the relationship between servant leadership and its outputs (namely, work effort, flourishing and organizational citizenship behavior), using the theory of resource conservation and social contagion.

The survey method was used in the study, and longitudinal data were collected to prevent the common method variance error and to reveal the causal relationships. Structural equation modeling was used to test the proposed hypotheses.

According to the results, it was observed that relational energy has a full mediator role in the relationship between servant leadership, work effort and flourishing, and relational energy has an integral part mediator role in the relationship between servant leadership and organizational citizenship behavior. In addition, it has been determined that other focus interest plays a moderating role in the relationship between servant leadership and relational energy.

The research offers important implications for servant leaders on how to improve individual and organizational outcomes.

The study contributes to the servant leadership literature by associating resource conservation theory with social contagion theory. The study differs from previous studies with two main features. First, the previous studies generally adopted a perspective of energy sender. This research, on the other hand, is based on the perception of energy receivers (followers of a servant leader). Second, a moderating role of other-focused interest is explored in the relationship between servant leadership and relational energy.

The aim of this research, which uses the theories of social identity and social exchange, is to investigate the relationship between responsible leadership, prosocial behavior and the mediating role of psychological ownership in this relationship. In addition, the moderating role of ethical and social responsibility in the relationship between responsible leadership and psychological ownership is tested in the study.

The sample of the research consists of 246 participants who work full-time at İstanbul Sabiha Gökçen Airport in ground handling services (GHS). The convenience sampling method was used in the research, and the research data were collected by the face-to-face survey method. The hypotheses of the research were tested with the partial least squares structural equation model (PLS-SEM) and SPSS Process Macro.

According to the results, it was determined that responsible leadership affects prosocial behavior positively and significantly, and psychological ownership plays a mediating role in this relationship. In addition, the moderating effect of ethical and social responsibility on the relationship between responsible leadership and psychological ownership was determined. When ethical and social responsibility is perceived as high by the employees, it was revealed that the conditional indirect effect of responsible leadership on prosocial behavior through psychological ownership was strong.

When responsible leadership encourages employees to take psychological ownership, they are more likely to engage in prosocial behavior. This study contributes to the field by evaluating the structures discussed with social identity and social exchange theory. In the management practice of organizations, responsible leadership should be strengthened and training should be given to develop responsible leadership.

In the literature review, it was observed that although there are studies conducted with responsible leadership, the concept was not examined with prosocial behavior, and it was not studied in the aviation sector, which has become indispensable for the world economy. With these features, the study distinguishes itself from others and constitutes a source of motivation for researchers.

In this study, which is divided into two parts, the silicone softeners having different properties and including different additives as glycerin, polyethylene glycol 400 (PEG 400) and polyethylene glycol 4000 (PEG 4000) (due to their high hydrophilic characters) are produced for the purpose of providing or developing the hydrophilic character, lubricity and filling properties of the emulsions. The paper aims to discuss this issue.

In the first part of the study, the produced silicone emulsions were characterized and applied to the 100 percent cotton-knitted fabrics. In addition, the mechanical properties and whiteness degrees of the fabrics were also researched. In this part of the study, the effects of the produced silicone softeners on the comfort properties of the fabric samples were investigated by qualitative handle, hydrophility, contact angle, air permeability, thermal comfort and moisture management tests.

The results showed that while classic silicone application improved mechanical comfort properties of the samples such as the handle and drape properties, they worsened other thermal comfort properties as hydrophility, transfer or dispersion of the moisture, and air permeability. In addition, the thermal comfort properties about heat transfer of the fabric samples were not significantly affected by application of the silicone softeners. All results were affected from the producing recipe of the silicone softeners, and generally the usage of the additives had positive effect on the comfort results depending on the producing recipe (especially type of the silicone oil) of the silicone softeners.

In this study, the additives were used in single form; however, their dual or trio combinations and/or their different amounts can be used in the emulsions.

In order to enhance the hydrophilic character, lubricity and filling properties of the silicone softeners, they could be produced by using appropriate additives.

In the literature, there were not any studies about the silicone softeners including different additives. So the authors can say that the contribution of the additives to the recipes of the silicone softeners is a novel approach.

Country and company bankruptcies at international level have put the economies of the world and countries in a difficult position. As a result of these negative developments, the measurement of the effectiveness of internal audits system together with accounting and audits have become important. The unit that plays a key role in measuring the effectiveness of internal control, whether in the private or public sector, is internal audit. In this respect, the purpose of the present study was to outline the criteria that increase the effectiveness of internal audit in public institutions. For this purpose, the SWARA Method was used. The SWARA Method is a multi-criterion decision-making method that is employed by decision-makers to determine the weights of the criteria and to sort them out. The Questionnaire of the study was applied to a participant group that consisted of 11 experts. According to the findings, the criteria that had the highest importance were “the presence of an independent internal audit activity and impartial internal auditors,” “Performing internal audit activities in line with ethical rules, standards, and relevant regulations,” and “Determining the risks regarding the objectives and the purpose of the institution, and measuring the effects of these risks.”

The Islamic Holy days are among the most celebrated spiritual traditions in the world and are observed by more than 1.5 billion Muslims. This study aims to investigate the effect of these events on the regular returns of stock exchanges in selected Muslim countries.

This study examines data from eight Asian and African stock exchanges from 2001 to 2019. Isolating the effect of Gregorian calendar anomalies, it aims to evaluate the effect of Islamic Holy days on stock returns by running a pooled random effect panel regression on all the stock exchanges examined.

The results reveal the positive impact of Eid-ul-Fitr on Asian markets, the negative impact of Eid Milad-un-Nabi on the African stock market’s returns and the positive effect of the Holy month of Ramadan on both markets. Some Gregorian calendar anomalies also were found in these markets.

The research has significant implications for marketing professionals to recognize business opportunities and investors to efficiently manage their stock portfolio during Islamic events of Eid-ul-Fitr, Eid Milad-un-Nabi and Ramadan in relevant Muslim countries.

Given the research gap between Gregorian and Islamic calendar anomalies, this paper contributes by combining the effect of Islamic Holy days on the returns of selected Muslim-dominated financial markets.