In His Essay on the Principles of Population, Thomas Malthus

In his Essay on the Principles of Population, Thomas Malthus argued that

A) human living standards could permanently rise above subsistence levels, so that populations would grow exponentially.
B) any increase in living standards would be temporary because people will have more children and increase the population, thus bringing living standards back
C) as the population increases, the standard of living would grow as well because of rising productivity.
D) as economic efficiency declined, standards of living would first fall and then eventually rise as the population starts increasing.