An increase in the price of laptop memory chips causes the price ...

[nevelica]

An increase in the price of laptop memory chips causes the price for laptops _____________ and the quantity supplied for laptops ____________.
 a. Increase; increase
 b. Increase; decrease
  c. Decrease; increase
  d. Decrease, decrease

Question 2

You experiment by offering free warranties for your product in market A but not in market B. Sales in A rise from 240 to 360 units per week 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

[LegendaryAnswers]

Answer to Question 1

b

Answer to Question 2

b

[nevelica]

Wow, this really help

[ecabral0]

Thanks for the timely response, appreciate it