The deregulation of the domestic airline industry brought a significant increase in competition between airlines, pushing them to continuously update their strategies. This article reviews the operating performance of these companies, from the contrast in the results of the DEA classic model and MCDEATRIMAP efficiency indicators. The use of such methodology allows the increase of discriminatory...

The impacts of product-harm crises on other firms in the same category are complex considering the combined spillover and customer encroachment effects. With responding to both effects, non-focal companies may adjust their social media strategies to attenuate the negative influence from product-harm crises and to exploit the benefit from their competitor’s misfortune. Using daily social media a...

Airlines operating in Turkey strive to be international leaders their segments by adopting different competitive strategies. The crew planning department plays an active role achieving the goals of airline. In this study, departments airline companies that adopt two strategies are compared and differences they encounter practice revealed.

word of mouth has become an important source of information affecting attitudes and behaviors of consumers. specially, in the area of services that quality of consumer beliefs plays an important role in their decision-making process. word of mouth is critical in services industries because intangible products cannot be evaluated before their consumption. current study aims to investigate influe...

The Airline Crew Assignment Problem (ACA) consists of assigning lines of work to a set of crew members such that a set of activities is partitioned and the costs for that assignment are minimized. Especially for European airline companies, complex constraints defining the feasibility of a line of work have to be respected. We developed two different algorithms to tackle the large scale optimiza...

Airline operations are disrupted frequently. The most impor-tant factors are unstable weather conditions and unpredictable techni-cal aeronautics problems. In a disrupted situation, an airline operatorneeds to quickly adjust the timetable and the resource schedules sothe importance of re-assignment of facilities to flight is much moreclearer. In this study, we considered the...

Since the pioneering work of O’Kelly[5], designing an airline network has been an alluring topic in operations research studies, and seemingly hub location problems are main concerns in the literature, see [1] for recent survey. In this paper a different approach is taken to the design problem in an attempt to find a compact and efficient sub-network of the original airline network. In Fig. 1 J...

The main purpose of this study is to evaluate the financial Performance of four listed Taiwanese airline companies by combining grey theory and principal component analysis. The absolute degree of grey incidence (ADGI) matrix was introduced to replace the correlation matrix of the traditional PCA, and build an evaluation model of grey principle component analysis (GPCA). Based on this model, th...

Due to the sufficient openness of Russian air transportation market, such factors as demand and investment activity, exchange rate fluctuations, economic sanctions against large companies other unfavorable conditions lead a slowdown (sometimes decrease) in sales growth companies, weakening their position financial stability. In this regard, it is necessary study opportunities for achieving sust...