نتایج جستجو برای: inefficient actions

تعداد نتایج: 165812  

2003
Fabien Casse Rony Keppens

We present magnetohydrodynamic simulations of a resistive accretion disk continuously launching transmagnetosonic, collimated jets. We time-evolve the full set of magnetohydrodynamic equations, but neglect radiative losses in the energetics (radiatively inefficient). Our calculations demonstrate that a jet is self-consistently produced by the interaction of an accretion disk with an open, initi...

2008
Yi-Cheng Zhang

I summarize the recent work on market (in)efficiency, highlighting key elements why financial markets will never be made efficient. My approach is not by adding more empirical evidence, but giving plausible reasons as to where inefficiency arises and why it’s not rational to arbitrage it away.

2007
Paul Beaudry

The adoption and diffusion of technological knowledge is generally regarded as a key element in a country’s economic success. However, as is the case with most types of information, the transfer of technological knowledge is likely to be subject to adverse selection problems. In this paper we examine whether asymmetric information regarding who knows how to run a new technology efficiently can ...

Journal: :Journal of the Optical Society of America. A, Optics, image science, and vision 2001
H Ashida A E Seiffert N Osaka

Visual search rate was used to assess attentional resources required for detection of opposing motions defined either by luminance or by modulations of texture contrast, flicker, or size. Though luminance-based targets were detected quickly, search through second-order motion was slow. Control experiments ruled out stimuli visibility, complexity, eccentricity sensitivity, and attributes of the ...

Journal: :Geophysical Journal International 1982

Journal: :CNS spectrums 2010
Stephen M Stahl

358 CNS Spectr 15:6 June 2010 NEW TREND IN PSYCHOPHARMACOLOGY Modern formulations of psychiatric disorders hypothesize that mother nature goes awry, causing both genetic and epigenetic disease actions. Genetic disease actions are the consequences of naturally inherited risk genes that have an altered sequence of DNA. This altered DNA sequence theoretically leads to the production of altered gen...

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