Which of the following best summarizes Economics' conclusion regarding economic systems and their ability to satisfy society's wants?

Select one:

a. Command systems are better than free market systems because they can prevent recessions and poverty.

b. Neither the command system nor the market system is good a creating incentives to be productive. But between the two, the command system tends to result in the least amount of human suffering.

c. Command systems and free market systems are both efficient systems so the one a country picks is just a matter of cultural preference.

d. Free market systems are better than command systems because they create stronger production incentives and do a better job organizing resources.