Which of the following is not correct?
a. a country's standard of living and its productivity are closely related.
b. increases in productivity can be used to increase output or leisure.
c. countries that have had higher output growth per person have typically done so without higher productivity growth.
d. productivity refers to output produced per hour of work.

Option (c) is not correct.

As stated above, the given option is false since Nation or countries that have higher output growth per individual have usually done this in regards to higher productivity growth. This is also done on the basis of an increasing rate of technology and an increase in capital, that further leads to higher output growth.

the technology changed agriculture in an impacting manner since many people left the field work by a cellular or other technological appliances