The Malthusian population trap model implies that
a. population growth is not related to income per capita, and in the data we see no correlation between income per capita and population growth.
b. population growth is not related to income per capita, but in the data we see a high correlation between income per capita and population growth.
c. population growth is related to income per capita, and in the data we see a high correlation between income per capita and population growth.
d. population growth is related to income per capita, but in the data we see no correlation between income per capita and population growth.