Multiple Choice
You put your product on 20% off sale market A but leave it unchanged in market B.Sales in A increase from 840 units per week to 1040 while sales in B rise from 770 to 830.The Difference-in-difference estimate of the effect of the price change is:
A) 80 units
B) 100 units
C) 120 units
D) 140 units
Correct Answer:

Verified
Correct Answer:
Verified
Q15: Three possibilities have probabilities 0.4,0.4 and 0.2
Q20: A movie executive has to decide to
Q21: A manager may over-research the appropriateness of
Q22: You raise your product price by $10
Q23: You can invest $100,000 into either project
Q25: Half of all potential customers would pay
Q26: Heads and tails are equally likely but
Q27: A "false positive" is<br>A)when you incorrectly conclude
Q28: You can invest in either project A
Q55: Four possibilities have probabilities 0.4,0.2,0.2 and 0.2