risk

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Related to Attributable risk: Relative risk

Risk

Often defined as the standard deviation of the return on total investment. Degree of uncertainty of return on an asset. In context of asset pricing theory. See: Systematic risk.

Risk

The uncertainty associated with any investment. That is, risk is the possibility that the actual return on an investment will be different from its expected return. A vitally important concept in finance is the idea that an investment that carries a higher risk has the potential of a higher return. For example, a zero-risk investment, such as a U.S. Treasury security, has a low rate of return, while a stock in a start-up has the potential to make an investor very wealthy, but also the potential to lose one's entire investment. Certain types of risk are easier to quantify than others. To the extent that risk is quantifiable, it is generally calculated as the standard deviation on an investment's average return.

risk

The variability of returns from an investment. The greater the variability (in dividend fluctuation or security price, for example), the greater the risk. Because investors are generally averse to risk, investments with greater inherent risk must promise higher expected yields.

Risk.

Risk is the possibility you'll lose money if an investment you make provides a disappointing return. All investments carry a certain level of risk, since investment return is not guaranteed.

According to modern investment theory, the greater the risk you take in making an investment, the greater your return has the potential to be if the investment succeeds.

For example, investing in a startup company carries substantial risk, since there is no guarantee that it will be profitable. But if it is, you're in a position to realize a greater gain than if you had invested a similar amount in an already established company.

As a rule of thumb, if you are unwilling to take at least some investment risk, you are likely to limit your investment return.

risk

see UNCERTAINTY AND RISK.

risk

Uncertainty regarding the possibility of loss.

References in periodicals archive ?
Attributable risk of mortality from improved compliance with guidelines and practice patterns Modifiable Attributable 95% Confidence practice pattern risk interval Dialysis dose 2.3% 0.8%-3.8% Anemia management 5.6% 3.2%-7.9% Mineral metabolism PO4 3.1% 0.5%-5.6% Calcium 8.2% 3.9%-12.2% Nutrition 28.2% 23.0%-33.0% Vascular access 15.5% 5.6%-24.3% All 6 practices 49.0% -* * No confidence interval was calculated for all 6 practices because of the small number of patients in this cell.
The concepts of relative risk and attributable risk ratio are indispensable for an attorney who accepts a client's risk factors as a beneficial aspect of a pharmaceutical case and actively pursues the issue at trial.
For these associations, the incidence of the adverse out come, the frequency of the associated variant in clinical populations, and the percent attributable risk of each variant for its associated adverse outcome are all known.
Estimating the potential impacts of intervention from observational data: methods for estimating causal attributable risk in a cross-sectional analysis of depressive symptoms in Latin America.
The attributable risk fractions indicated that 39% of first-time hospitalizations for all sequelae (34% of intragastrointestinal and 39% of extragastrointestinal sequelae) were directly attributable to prior enteric infections.
Their lifetime attributable risk of cancer was estimated using the approach of Biological Effects of Ionizing Radiation 2006 Report VII.
Only the radiation-associated risk (i.e., attributable risk) is counted in this equation, which can be applied to both cancer incidence and cancer mortality.
This formula is derived from the standard attributable risk (AR) formula (5): AR=p(RR - 1)/[p(RR - 1) + 1], estimates for adults have been limited to persons aged [is greater than or equal to] 35 years because the CPS-II study population was restricted to this age range.
Most toxic tort litigators are familiar with epidemiology basics, which are crucial to these cases.(3) By now, terms like "relative risk," "attributable risk," and "dose-response relationship" are familiar.(4) But knowing only how to read off a study's results means treating them as magic numbers.
The preliminary data from the Vaccine Safety Datalink (VSD), presented at the meeting, suggest an attributable risk of 61 per 100,000 cases, or 1 excess febrile seizure for every 1,640 vaccinees who receive both vaccines simultaneously.
Compared with other major risk factors for CVD, type 2 diabetes carries a low attributable risk because it is not as highly prevalent; however, an explosive increase in the prevalence of adiposity, which promotes insulin resistance and the metabolic syndrome, has assigned "prediabetes" a major role in preventive cardiology.
PAF = Attributable risk (AR) * Risk factor exposure prevalence * 100%/Total asthma incidence