Examlex
A rich country improves its productivity by engaging in free trade with a poor country. This situation supports Paul Samuelson's critique.
Well-Diversified Portfolio
A portfolio spread out over many securities in such a way that the weight in any security is close to zero, resulting in negligible diversifiable risk.
Systematic Risk
The risk inherent to the entire market or market segment, which cannot be eliminated through diversification.
Unsystematic Risk
Unsystematic risk refers to the risk associated with individual investments or sectors, not affected by broader market movements.
Expected Rate of Return
The probable returns on an investment averaged over a period, accounting for the varying risks and rewards.
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