Some investors use ETFs as a quick way of expressing their overall view on the market, while high-frequency traders use the funds as part of their complex arbitrage strategies.
Writing in JAMA, the researchers led by Dr Lee Cohen, said the prevalence of depression in reproductive age women, their level of anti-depressant use and the frequency of unplanned pregnancy, it was important to be able to tell patients about comparative risk of relapse linked to stopping or continuing with their medication.
Continuing to reduce the costs of on-line storage will require the management of stored content to optimize availability depending upon frequency of use and use of commodity storage and other data center equipment.
State intervention is justified only by the chaos that would be caused by a free-for-all over the use of the frequency spectrum.
The exact cause of the Flash Crash of May 6, 2010 will most likely never be known, but most believe the use of high frequency trading as being a central culprit (no matter what the SEC might say).
First, they want to build statistical models mapping the severity and frequency of past operational risk losses and use this to judge the amount of the bank's capital at risk from operational failures in the future.
It works by jamming all nearby transmissions at the operating frequency of the medical device, except for those signals that were authorized to use the device.
A. Has the frequency and nature of non-financial reward use changed at all in recent years?
Of course, as with all things in the world of technology, time passes, the cost of micro cells falls dramatically and how to use this frequency very effectively is resolved.
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Thereafter, participants assigned to the control diet received personalized advice and were invited to group sessions with the same frequency and intensity as those in the Mediterranean-diet groups, with the use of a separate 9-item dietary screener (Table S3 in the Supplementary Appendix).
Apple introduced its version, called Fusion Drive, that tiers storage on flash memory or a HDD depending upon frequency of use, but appearing to the user as a single storage device.
U.S. Patent No. 2, 292, 387 for a "Secret Communication System" was issued to Hedy Kiesler Markey and George Antheil in 1942. (Markey was the surname of a husband she had divorced in 1940.) The frequency-hopping technology was not put to use in World War II, but it was employed in 1962 during the blockade of Cuba.
Then we look at more nebulous attributes, such as country of registration, past utilization (types of flights, average lengths of flights and frequency of use), corrosion potential based on the region where it was based, importation costs and regulatory compliance, to name a few.
Then through the use of GPS-based reference clocks at each tower (for both time and frequency), the signals are synced so each can emit a perfect copy of both signal and symbol data.
The SEC is conducting an inquiry into whether high-frequency firms use those order types to jump in front of other investors.
Belly has found that stores that use its service have seen an increase in 20% frequency of customers coming to the business after using Belly.
Their basic concept is to use light to transmit the quantum information using interferometers, which are instruments that change the frequency of light waves, then recombine them to get particular effects.
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For reasons that were never entirely clear, the Obama FCC granted frequency to LightSquared that had originally been designated for satellite use but only if they could overcome the technical issues of interference and if they could bring their network offering on line within a stipulated time frame.
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