The systematic differences between the control and treatment groups can be controlled by taking two years data, _____.?
A. ?one treatment group before policy change and one after the change
B. ?one before the policy change and one after the change
C. one control group and one treatment group
D. ?one control group before policy change and one after the change
Answer: B
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If there are open first-class seats available on a particular flight, some airlines allow customers with coach (discount) tickets to upgrade to first-class tickets during the electronic check-in process
Suppose the regular price of a first-class ticket is $800, the total price of the upgrade ticket (original price plus the upgrade) is $400, the marginal cost of serving both types of customers (full-fare and upgrade first-class flyers) is $100, and the airline maximizes profits. Which of the following statements is true? A) MR for the full-fare customers must be higher than the MR from upgrade customers. B) MR for the full-fare customers may be higher or lower than the MR from upgrades. C) MR = MC for the full-fare customers, but the airline is willing to collect any positive amount from the upgrade customers. D) MR must be the same for both full-fare and upgrade customers.
Elasticity is always
a. measured in dollars b. measured in dollars per unit of quantity c. measured in units of quantity d. measured in units of quantity per dollar e. independent of the units of measurement
Which of the following statements is true regarding organizations with self-contained units (SCU) for risk-management?
a. The SCU has final authority on risk assessment and uses information from employees with similar expertise at the division-level. b. It works independently and information flows only between the SCU and headquarters. c. The organization chart depicts a strong relation between the division-level employees who have information on risk and the SCU. d. Employees with knowledge of division level-risks are transferred to the SCU.
If a nonbinding price floor is imposed on a market, then the a. quantity sold in the market will decrease
b. quantity sold in the market will stay the same. c. price in the market will increase. d. price in the market will decrease.