The residential division of Prism's high-speed Internet service uses one advertising agency, while its commercial division uses another. Two analysts, Andy and Brad, are asked to test the effectiveness of the two agencies. Andy proposes an A/B test that compares the click-through rates per ad of the two agencies. Brad proposes a difference-in-difference test in which the budgets for both agencies are increased by 50%, and the percentage changes in the click-through rates are compared. True or False: Both Andy's estimator and Brad's estimator are unbiased.

Southeastern bell stocks a certain switch connector at its central warehouse for supplying field service offices. the yearly demand for these connectors is 15,000 units. southeastern estimates its annual holding cost for this item to be $25 per unit. the cost to place and process an order from the supplier is $75. the company operates 300 days per year, and the lead time to receive an order from the supplier is 2 working days.a) find the economic order quantity.b) find the annual holding costs.c) find the annual ordering costs.d) what is the reorder point?

Which two of the following are benefits of consumer programs

Which of the following events could increase the demand for labor? a. an increase in the marginal productivity of workers b. a decrease in the amount of capital available for workers to use c. a decrease in the wage paid to workers d. a decrease in output price