Multiple Choice
You experiment by offering free warranties for your product in market A not in market B.Sales in A rise from 240 units per week to 360 while sales in B rise from 410 to 430.The Difference-in-difference estimate of the effect of the free warranty is:
A) 80 units
B) 100 units
C) 120 units
D) 140 units
Correct Answer:
Verified
Correct Answer:
Verified
Q13: Half of all potential customers would pay
Q14: A pharmaceutical company executive has to decide
Q15: You can invest $100,000 into either project
Q15: Three possibilities have probabilities 0.4,0.4 and 0.2
Q16: You can invest in either project A
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
Q41: You want to run a difference-in-difference experiment