One way to explain the convexity of isoquants is to say that ...

[laurencescou]

One way to explain the convexity of isoquants is to say that
 
  A) as labor increases and capital decreases, MPL rises while MPK falls.
  B) as labor increases and capital decreases, MPL falls while MPK rises.
  C) as labor increases and capital decreases, MPL and MPK both fall.
  D) as labor increases and capital decreases, MPL and MPK both rise.

Question 2

To say that isoquants are convex is to say that
 
  A) the marginal rate of technical substitution falls as labor increases.
  B) capital and labor are perfect substitutes.
  C) labor, but not capital, is subject to the law of diminishing marginal returns.
  D) there are constant returns to scale.

[welcom1000]

Answer to Question 1

B

Answer to Question 2

A