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USE4 - cloudfront.net
USE4 - cloudfront.net

... rotation procedure known as orthogonalization can serve as an effective tool for both reducing collinearity and making the factors more intuitive. For instance, the Non-Linear Size factor, after orthogonalization, essentially captures the return differences between mid-cap stocks and the overall mar ...
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"Disaster Risk and Business Cycles"

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View PDF - CiteSeerX
View PDF - CiteSeerX

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Proposed Technical Information Paper 2 Depreciated Replacement

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A Natural Experiment on Dynamic Asset Allocation

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... that form between the feedback processes that takes place in the enterprise and can generate different types of risks. Decisions will be monitored by the indicators calculated in the system and will be able to be evaluated in terms of their effects on the risks arising or likely to occur. Decision-m ...
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Beta (finance)



In finance, the beta (β) of an investment is a measure of the risk arising from exposure to general market movements as opposed to idiosyncratic factors. The market portfolio of all investable assets has a beta of exactly 1. A beta below 1 can indicate either an investment with lower volatility than the market, or a volatile investment whose price movements are not highly correlated with the market. An example of the first is a treasury bill: the price does not go up or down a lot, so it has a low beta. An example of the second is gold. The price of gold does go up and down a lot, but not in the same direction or at the same time as the market.A beta greater than one generally means that the asset both is volatile and tends to move up and down with the market. An example is a stock in a big technology company. Negative betas are possible for investments that tend to go down when the market goes up, and vice versa. There are few fundamental investments with consistent and significant negative betas, but some derivatives like equity put options can have large negative betas.Beta is important because it measures the risk of an investment that cannot be reduced by diversification. It does not measure the risk of an investment held on a stand-alone basis, but the amount of risk the investment adds to an already-diversified portfolio. In the capital asset pricing model, beta risk is the only kind of risk for which investors should receive an expected return higher than the risk-free rate of interest.The definition above covers only theoretical beta. The term is used in many related ways in finance. For example, the betas commonly quoted in mutual fund analyses generally measure the risk of the fund arising from exposure to a benchmark for the fund, rather than from exposure to the entire market portfolio. Thus they measure the amount of risk the fund adds to a diversified portfolio of funds of the same type, rather than to a portfolio diversified among all fund types.Beta decay refers to the tendency for a company with a high beta coefficient (β > 1) to have its beta coefficient decline to the market beta. It is an example of regression toward the mean.
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