نتایج جستجو برای: event study
تعداد نتایج: 4098368 فیلتر نتایج به سال:
Fingolimod is a selective immunosuppressive agent approved worldwide for the treatment of relapsing-remitting multiple sclerosis (MS), a chronic and potentially disabling neurological condition. Randomized double-blind clinical trials have shown that fingolimod significantly reduces relapse rate and ameliorates a number of brain MRI measures, including cerebral atrophy, compared to both placebo...
PURPOSE Most common clinical studies with antiepileptic drugs do not reflect medical everyday practice due to their strict in- and exclusion criteria and specifications of treatment regimens. Here we present a large non-interventional registry with the intention to evaluate the spectrum of applications in daily use and the efficacy and tolerability of intravenously given levetiracetam (LEV-iv)....
The influence of event attributes on tourist’s loyalty: Evidence from the Ashoura event in Yazd City
Many studies have found that the perceived authenticity of cultural and religious events affects event satisfaction and loyalty. Little is currently known about how perceived authenticity is affected by the facilities, such as food and the availability of information, which are independent determinants of satisfaction and loyalty. This study aims to examine the antecedents of event loyalty. Que...
Many studies estimate the impact of exposure to some quasiexperimental policy or event using a panel study design. These models, as generalized extension “difference-in-differences” designs two-way fixed-effects allow for dynamic leads and lags interest be estimated, while also controlling fixed factors (often) by area time. In this article, we discuss setup design in range situations lay out s...
this paper analyses efficiency of short horizon event study methodology in general and efficiency of various test statistics based on price and trading volume in the period (iranian calendar) 1380:1389-q1 (2240 days) applying simulation method. we evaluate efficiency of 8 test statistics including parametric, non-parametric and induced variance statistics. we find various test statistics have e...
Introduction: The purpose of this study was to compare MORT and Tripod Beta methods, using a hierarchical model, in order to choose the best technique to analyze an event in an organization. .Material and Method: In this study, a critical event was selected and the causes of the event were identified, employing MORT and Tripod Beta capabilities. Following the identification of the event causes...
the traditional event tree analysis uses a single probability to represent each top event. however, it is unrealistic to evaluate the occurrence of each event by using a crisp value without considering the inherent uncertainty and imprecision a state has. the fuzzy set theory is universally applied to deal with this kind of phenomena. the main purpose of this study is to construct an easy metho...
Despite the abundant anecdotal evidence on the benefits of information technology (IT) outsourcing, whether the stock market reacts favorably to such a governance choice remains a puzzle. In line with the recent emphasis on a valuebased approach to evaluating firms, we adopt an event-study method to examine the market-impacting effects of IT outsourcing. Our analysis, based on a sample of 58 IT...
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