Purpose The Spanish airport system contains several regional airports within an amenity distance and alternative travel modes. Profitable cross-subsidise small airports, which are not required for development or connectivity. Airports government-owned centralised-managed by Air Navigation (AENA, its acronym). This study aims to analyse the probability of under-used public infrastructure AENA’s ...

Abstract In this paper, we describe how agency frictions in asset management can generate prime violations of the Efficient Markets Hypothesis, such as momentum, value and an inverted risk-return relationship. Momentum our theory is associated with procyclical fund flows price over-reaction, more pronounced for overvalued assets. The investors who momentum are losing from it those requiring the...

Background: The aim of this study was to evaluate and compare the clinical and ‎electrocardiographic (ECG) manifestations of benzodiazepines (BZs).‎ Methods: In this retrospective study, all BZ-poisoned patients hospitalized at Loghman ‎Hakim Hospital between September 2010 and March 2011 were evaluated. Patients’ ‎information including age, sex, time elapsed between the ingestion and presenta...

A 14-year-old who had 7episodes of relapsing unita­leral paralysis of facial nerve during 7 year-;. was admit­ted to the hospital. The X-Ray revealed Osteopetrosis, and the bone biopsy was proved this diagnosis. But there was not any bone fracture, or anemia. Pressure over fa­cial nerve caused by condensation of entire facial nerve canal. was detected by tomographia. Probablv intermitant facial...

X.efficiency theory challenges the maximization postulate of standard economic theory. This paper shows that X-inefficiency is. at times, as much as 30 times greater than allocative inefficiency and suggests reasons for the existence of X-inefficiency—-i.e., (a) incomplete employment contracts, (b) discretionary effort, and (c) nonmaximization of profits. [The Social Sciences Citation Index® (S...

abstract justice is one of the most important issues of human life, and also a prominent religious teaching which, when well-observed, could not only soothe most human sufferings, but also meet most human innate needs. however, to exercise justice involves both knowing its different aspects and, at the same time, explaining it from the religious point of view. the present paper attempts to expl...

This paper provides a concise review of a broad set of concepts, models and estimation issues in the field of stochastic frontier analysis. The goal is to provide practitioners with a quick guide to some key ideas. The review is restricted to single-output models estimated by econometric methods. Among the conceptual issues are the interpretation and the paths to reduce inefficiency. The modell...