Answer:
d. Patents give firms an incentive to spend money on research and development.
Step-by-step explanation:
Connor argues that the consumers are worse off due to the high prices as a result of patents. The prices would be much lower if patents were not applicable because the MC per unit is always low.
But as Connor argues patents provide an uncentive to producers to invest in R & D whch benfits the consumers in the LR both in terms of product variety and cost reduction.