نتایج جستجو برای: threshold effects

تعداد نتایج: 1648044  

There are various causes for inflation in macroeconomics. One of the important channels of experiencing inflation is through the international economy caused by external shocks. In this context, the impact of exchange rate volatilities on domestic prices known as Exchange Rate Pass-Through (ERPT) plays a vital role. The present paper deals with the impact of Exchange Rate Pass-Through on inflat...

ژورنال: فیض 2019

Background: Dextromethorphan (DM) as a non-opioid anti-cough has neuroprotective effects. Combination of DM with quinidine decreases rapid metabolism of DM to dextrorphan (DX). This study aimed to examine the effects of acute administration of quinidine, DM and combination of dextromethorphan/quinidine (DM/Q) on pentylenetetrazole (PTZ)-induced clonic and tonic seizure thresholds in mice. Mater...

2015
Olivier Bochet Jeremy Laurent-Lucchetti Justin Leroux Bernard Sinclair-Desgagné

It is commonly found that the presence of uncertainty helps discipline economic agents in strategic contexts where incentives would otherwise induce inefficient behavior (Eso and White (2004), Bramoullé and Treich (2009)). We consider a variant of the celebrated Nash Demand Game (Nash, 1953) where two values of the resource (low and high) are possible. We show that the presence of uncertainty h...

2010
Yingying Dong Arthur Lewbel

In regression discontinuity models, where the probability of treatment jumps discretely when a running variable crosses a threshold, an average treatment effect can be nonparametrically identi ed. We show that the derivative of this treatment effect with respect to the threshold is also nonparametrically identi ed and easily estimated, in both sharp and fuzzy designs. This marginal threshold tr...

2010
SOKBAE LEE MYUNG HWAN SEO YOUNGKI SHIN

In this article, we develop a general method for testing threshold effects in regression models, using sup-likelihood-ratio (LR)-type statistics. Although the sup-LR-type test statistic has been considered in the literature, our method for establishing the asymptotic null distribution is new and nonstandard. The standard approach in the literature for obtaining the asymptotic null distribution ...

Journal: :archives of anesthesiology and critical care 0
mahmoud gorji valokola tehran university of medical science farahnaz jazaeri tehran university of medical science mohammad hadi gharedaghi tehran university of medical science mehdi sanatkar tehran university of medical science marjan zakeri tehran university of medical science abass norouzi tehran university of medical science

background: cirrhotic patients are at a greater risk of different kinds of arrhythmias. despite the well-known arrhythmogenic effects of halothane, developing countries continue to use halothane due to its low cost. this study was designed to investigate the pathophysiology of halothane untoward effects on heart rhythm moreover was aimed to explore the effect of halothane anesthesia on the thre...

1996
C. Bachas

We analyze the one-loop effective gauge-field action in Z2-orbifold compactifications of type-I theory. We show how, for non-abelian group factors, the threshold effects are ultraviolet finite though given entirely by a sixdimensional field theory expression. CPTH-S450.0496 May 1996 [email protected] [email protected]

Journal: :Management Science 2015
Jiahua Wu Mengze Shi Ming Hu

This paper studies two types of threshold-induced effects: a surge of new sign-ups around the time when the thresholds of group-buying deals are reached, and a stronger positive relation between the number of new sign-ups and the cumulative number of sign-ups before the thresholds are reached than afterwards. This empirical study uses a dataset that records the inter-temporal cumulative number ...

2006
Tomasz R. Taylor Gabriele Veneziano

I am very happy to contribute to the Festschrift celebrating Gabriele Veneziano on his 65th birthday. I have known Gabriele for more than 25 years, and worked with him on many projects, learning not only physics, but how to enjoy physics. “Amusing” is the word that he often uses to describe interesting ideas, and that single word characterizes best a unique style of joyful research that led to ...

Journal: :The Journal of General Physiology 1942
George Wald P. V. Harper H. C. Goodman H. P. Krieger

Measurements are reported of the effects of respiratory stresses upon the absolute threshold of peripheral (rod) vision. Since subjects were kept wholly dark adapted and the photochemical system of the rods therefore stationary, the changes recorded may be assumed to have originated more centrally. To this degree the measurements provide a quantitative index of central nervous imbalance. Breath...

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