In a Quasi-Experiment
A)quasi Differences Are Used, I $\bar { Y } \text { after }$

question 14

Multiple Choice

In a quasi-experiment

• A)quasi differences are used, i.e., instead of ?Y you need to use ( \(\bar { Y } \text { after }\) - ? × \(\bar { Y } \text { before }\) ), where 0 < ? < 1.
• B)randomness is introduced by variations in individual circumstances that make it appear as if the treatment is randomly assigned.
• C)the causal effect has to be estimated through quasi maximum likelihood estimation.
• D)the t-statistic is no longer normally distributed in large samples.

---

Definitions:

Years

Units of time measuring 365 or 366 days, used as a standard time period for comparing durations.

Months

Units of time corresponding approximately to one cycle of the moon's phases, used in planning and organizing activities over a period, typically consisting of 30 or 31 days, except for February.

Financial Calculator

An electronic calculator designed to perform financial functions commonly needed in business and commerce.

Ordinary Annuity

A series of equal payments made at fixed intervals for a specified period of time.