Examlex
You started your econometrics course by studying the OLS estimator extensively, first for the simple regression case and then for extensions of it. You have now learned about the instrumental variable estimator. Under what situation would you prefer one to the other? Be specific in explaining under which situations one estimation method generates superior results.
Promissory Note
An investment vehicle that features a concrete promise by one entity to pay a definitive money amount to another, either upon solicitation or on a specified date.
Legal Due Date
The specific date by which a legal obligation must be satisfied, such as the payment of debts or completion of contractual duties.
Principal
The original sum of money borrowed in a loan or the amount of the investment.
Rate
The percentage at which interest is charged on a loan or earned on an investment.
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