Examlex
Sharpe's measure of portfolio performance adjusts for risk by dividing total portfolio return by the portfolio beta.
Perfect Competition
A market structure characterized by a large number of small firms, homogeneous products, free entry and exit, and perfect information, leading to firms being price takers.
Diminishing Marginal Returns
A principle stating that as more of a variable input is added to a fixed input, the additional output from each new unit of input will eventually decrease.
Profit-Maximizing Output
The level of production at which a firm achieves the highest possible profit, where marginal cost equals marginal revenue.
Sergei's Profit
A hypothetical measure of earnings named for an individual, illustrating the net gain after subtracting expenses from revenue.
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