Examlex
Identify and state the historical significance of the following:
-Columbian Exchange
Single Index Model
A simplification of market models that uses a single factor (usually a market index) to model all securities' returns.
Standard Deviation
A statistical measure representing the dispersion or variability of a set of data points, widely used in finance to quantify the risk associated with a particular investment or portfolio.
Single-Index Model
A model used in finance to describe the returns of a stock portfolio based on the returns of a single market index, simplifying the complexities of the market.
Markowitz Model
A portfolio optimization theory that employs diversification to maximize returns for a given level of risk through quantitative analysis.
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