Show that the slope of the market demand curve is the summation ...

[bio_gurl]

Show that the slope of the market demand curve is the summation of the slopes of individuals' demand curves.
 
  What will be an ideal response?

Question 2

If K-12 education is determined to be an inframarginal positive externality, this means that K-12 education is being underproduced.
 
  a. True b. False

[debra928]

Answer to Question 1

The market demand is given by Q = D1(p) + D2(p) + ... + DN(p), where Di(p) is the demand for consumer i and there are N consumers. The addition rule of derivatives implies that the derivative of the market demand is the sum of derivatives of each individual's demand.

Answer to Question 2

b

[bio_gurl]

Excellent

[okolip]

Thanks for the timely response, appreciate it