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In a highly competitive scenario, such as today’s airline business, changes in the regulatory framework may produce important variations in the airlines’ results. An example is the introduction of Sustainable Aviation Fuel (SAF) mandates to help air transport decarbonization. The airlines’ break–even curve provides a useful tool to evaluate the competitive position among airlines and to assess and address the cost impact due to the new regulatory environment. The purpose of this paper is to evaluate the impact of new environmental regulations on airlines’ business results to achieve air transport decarbonization.

Based on the break–even curve and the relationship between fuel cost increment and fuel cost related to the airlines’ operating expenses, the unit cost increment due to SAF introduction is obtained for several scenarios of SAF prices and different airlines.

In many cases, we find that using 100% SAF with prices beyond 1.5 times the present fuel price generates losses: it is not feasible if it is not possible to transfer SAF price to passenger fares due to demand elasticity.

The novelty of this approach is the application of a rationale method to accurately determine the impact of several scenarios of SAF prices on airlines’ business results. This approach also provides a sound and compelling basis to argue before Environmental Regulation Authorities based on facts and figures. This paper is of use and value to airlines, the International Civil Aviation Organization (ICAO), the International Air Transport Association (IATA), practitioners and academics.

Deontical impure systems are systems whose object set is formed by an s-impure set, whose elements are perceptuales significances (relative beings) of material and/or energetic objects (absolute beings) and whose relational set is freeways of relations, formed by sheaves of relations going in two-way directions and at least one of its relations has deontical properties such as permission, prohibition, obligation and faculty. The paper aims to discuss these issues.

Mathematical and logical development of human society ethical and normative structure.

Existence of relations with positive imperative modality (obligation) would constitute the skeleton of the system. Negative imperative modality (prohibition) would be the immunological system of protection of the system. Modality permission the muscular system, that gives the necessary flexibility. Four theorems have been formulated based on Gödel's theorem demonstrating the inconsistency or incompleteness of DISs. For each constructed systemic conception can happen to it one of the two following things: either some allowed responses are not produced or else some forbidden responses are produced. Responses prohibited by the system are defined as nonwished effects.

This paper is a continuation of the four previous papers and is developed the theory of deontical impure systems.

This paper aims to refer to a subjective approach to a type of complex system: human ecosystems, referred to as deontical impure systems (DIS) to capture a set of properties fundamental to the distinction between human and natural ecosystems. There are four main phenomenological components: directionality, intensity, connection energy and volume. The paper establishes thermodynamics of deontical systems based on the Law of Zipf and the temperature of information.

Mathematical and logical development of human society structure.

A fundamental question in this approach to DIS is the intensity or forces of a relation. Concepts are introduced as the system volume and propose a system thermodynamic theory. It hints at the possibility of adapting the fractal theory by introducing the fractal dimension of the system.

This paper is a continuation of other previous papers and developing the theory of DIS.

The purpose of this paper is to examine the relationship between the use of open innovation (OI) practices and firm performance, and the role of organizational mechanisms (OMs) (formalization and decentralization) as moderator variables.

The authors build a theoretical framework to define a set of hypotheses that are then verified in an empirical study. These theoretical propositions are tested by using the data gathered from a survey addressed to 244 firms in Spanish low- and medium-technology industries.

With regard to inbound practices, the practices oriented to cooperate with partners in a R&D context have a positive influence. The results show that outbound practices, either by direct generation of revenues from licensing payments or, more indirectly, through the indirect marketing and technical benefits that can stem from revealing have a positive effect on firm performance. Coupled practices, which are related to participation in clusters and innovation networks, have the highest impact on firm performance. In the industrial context examined, decentralization exerts a positive effect which enhances the effect of outbound practices meanwhile formalization reduces their positive effect.

This study helps practitioners in low- and medium-technology firms to determine which OI practices are most beneficial to firm performance and how formalization and decentralization can influence the relationship between OI and firm performance.

This study helps determine the influence of OI practices in terms of inbound, outbound and coupled types through an analysis of low- and medium-technology firms. The OI literature is enriched by the types herein of the role of OMs, which includes an analysis of how formalization and decentralization moderate the influence of OI practices on firm performance.

This paper critiques the scope of neurotechnologies in significantly expanding the epistemological field of tourism and warns of their potential to undermine the cognitive capacity of tourists to act responsibly and responsively.

This study explores the intersections of neurotechnologies and tourism through an analysis that entails a two-step process: firstly, identifying key themes and debates within neurotourism literature; secondly, critically evaluating these discussions through the lenses of social tourism theory and neuroethics.

Firstly, the work questions the potential of neurotechnologies to significantly expand epistemological boundaries concerning a perennial question in tourism studies: namely, the goal pursued by tourists. Secondly, the paper introduces the framework of an ethics of neurotourism, which can aid in developing the ethical research agenda on neurotechnologies applied to tourism. This framework is used to argue that one of the key risks associated with the use of neurotechnologies in tourism is their capacity to encourage non-responsive and non-responsible tourist behaviour.

Both due to the traditional lack of interest in philosophy in tourism and the pro-business orientation of the tourism academy, critical studies on the relationship between neurotechnologies and tourism are limited. The primary contribution of this work is to underscore that the implementation of neurotechnologies in tourism not only has the potential to foster non-responsible behaviour by undermining tourists’ cognitive capacities to act responsibly, but also can diminish their responsiveness. In a neural context where tourists may already exhibit a reduced inclination towards moral engagement, this reduction in responsiveness can be particularly significant.

The purpose of this study is to identify how firms' sustainability performance is affected by external knowledge sources and absorptive capacity, accounting for the influence of being located in a science and technology park (STP).

Drawing on data from the Spanish Technological Innovation Panel, the authors estimate the determinants of sustainability performance using fixed effects multiple linear regression models with robust standard errors. The analysis covers the period 2009–2016, with a total panel of 8,874 companies and a total sample of 47,870 observations.

This study highlights the heterogeneity in on-park firms’ sustainability performance, which can be explained by the different capacities of these firms when it comes to embedding themselves in STP networks and processes and effectively absorbing the knowledge from the many knowledge sources that may be on offer in the park.

This paper contributes to the literature by examining the influence of external sources of knowledge and absorptive capacity, and the relationship between them, on sustainability performance. This study approaches sustainability performance as an aggregate measure of firms’ competitiveness and potential for long-term survival from the triple bottom line perspective. In addition, this study examines the effect that location in an STP can have on business sustainability performance and, more specifically, the mediating effect that knowledge sources and absorptive capacity can exert on this relationship.

The objective of this study is to analyse relationship quality in a business‐to‐business context. Given that the relationship between market orientation and customer‐perceived service quality is well known in the area of higher education, this paper draws on its antecedents to examine relationship quality in cultural services.

A sample of 68 customers (cultural entities) was obtained from a postal survey (April 2010). Partial least squares (PLS) models were used to test the proposed hypotheses. This is a structural equation (SEM) technique based on variances that is suited to working with small and medium sized samples.

The authors’ results show that satisfaction, trust and commitment are key components of relationship quality. While service quality is a determining factor of satisfaction, relationship quality can be improved by taking into account that customer‐perceived market orientation acts as a precursor for service quality, satisfaction and commitment.

This article attempts to expand upon the previous relationship quality literature on business‐to‐business relationships to: study behaviours conducive to lasting relationships between two different sectors (higher education and cultural industry); understand the antecedents of relationship quality; confirm relationship quality dimensions; and compare the hypothesized relationships from the customer's perspective.

The purpose of this paper is to investigate the relationship between altruistic leader behaviors, organizational learning capability and organizational performance.

The sampling frame consists of several databases or listings of business that consider people as a key element of the organization and are considered by their employees to be good firms to work for or organizational environments where human resources management has high priority (n=251). The authors use structural equation modeling to test if the relationship between altruistic leader behaviors and organizational performance is mediated by organizational learning capability.

Results suggest that organizational learning capability fully mediates between altruistic leader behaviors and organizational performance. Thus, organizational learning capability plays a key role in explaining how altruistic leader behaviors affect organizational performance, essentially because it facilitates the creation of a creative, participatory and dialogue-based environment that promotes organizational learning.

The database used in the study is very heterogeneous. Future research might delimit the database by organization size or sector. Qualitative studies may also improve our understanding of the relationships studied and enable other concepts to be included.

This study provides evidence of the positive relationship between altruistic leaders and performance. However, recruiting and fomenting altruistic leaders is not sufficient on its own to improve performance, and should be accompanied by implementing other facilitating factors of organizational learning such as dialogue or experimentation.

In recent years some studies have linked leadership with organizational learning. However, this is one of the first studies to concentrate on altruistic leader behaviors as such, a concept that has received scant mention in the literature despite its importance in a number of leadership styles, and its relevance today as an alternative to the egotistic leader. The authors offer empirical evidence of the role of altruistic leader behavior as an antecedent of organizational learning capability and subjective measures of performance.

This research proposes to study the connection between knowledge management practices and firm performance.

Theoretical relations are tested through an empirical study carried out on 222 Spanish firms in the biotechnology and telecommunications industries.

This paper shows how the firms that adopt knowledge management practices obtain better results than their competitors.

The subject of principles has not been considered a dimension of knowledge management. New avenues of inquiry are opened considering this dimension.

It determines practices that have a positive incidence on firm performance.

The conceptualization of knowledge management practices represents a theoretical innovation. This scale can be used in other knowledge‐intensive industries. The paper concludes that these practices have a positive incidence on firm performance.