At the point where diminishing marginal returns of an input sets in, the:

Which of the following would cause a leftward shift in the demand curve for a good?

A) an increase in income B) an increase in the price of a complementary good C) an increase in the price of a substitute D) the expectation that there will be a shortage in the availability of the good

The market for renewable resources often fail to allocate the resources to their highest-valued uses

a. True b. False Indicate whether the statement is true or false