indicate whether the statements are true or false

True or False: 1. In some highly developed countries, the age at which women tend to have children has increased. 2. According to the Malthusian model, if a country has a negative population growth rate, then income per capita should rise because the economy is below the steady-state income per capita level. 3. For a couple to be exhibiting controlled fertility behavior, they need to be using a modern contraceptive. 4. An increase in the size of a population in the Malthusian model will lead to a decrease in income percapa. 5. The higher the degree of fertility control, the older the age at which women tend to have children. 6. Postpartum abstinence is practiced in some African countries in order to increase the survival chances of the baby who has already been born. 7. The Malthusian model does not apply to the growth observations of approximately the last 200 years