Which of the following is not an example of derived demand?
a. As more high school graduates go on to college, more professors are hired.
b. As consumers buy more computers, they demand more powerful computers as they become available.
c. As people let their hair grow longer, fewer people become barbers.
d. As people buy more tennis shoes instead of sandals, they buy more shoe laces.
e. Increased demand for overnight delivery speeds up orders for new delivery trucks.
Question 2
If the marginal social benefit of consuming a product exceeds the marginal social cost of producing it, social welfare is
a. increased by reducing output
b. decreased by expanding output
c. unchanged by expanding or reducing output
d. increased by expanding output
e. maximized
An adult male giraffe feeding high up on an acacia
Derived traits
Poliovirus (derived from PDB ID 2PLV)
Comparison of the chemical structures of psilocybin and LSD. Psilocybin (left) is derived from a mu
11.2 The chemical structure of mescaline, derived from the peyote cactus
The posted octane rating in most high-altitude areas shows regular at 85 instead of the usual 87.