3. The invisible hand refers to a. how central planners made economic decisions. b. how the decisions of households and firms lead to desirable market outcomes. c. the control that large firms have...

3. The invisible hand refers to a. how central planners made economic decisions. b. how the decisions of households and firms lead to desirable market outcomes. c. the control that large firms have over the economy. d. government regulations without which the economy would be less efficient.