What this lesson teaches
I can evaluate Malthus and Boserup on whether resources can support population growth, and explain unequal access.
Syllabus 9173, Topic 1.1, 2. Environment and Resources. Are there adequate provisioning services to support population growth?
Make a guess
A region's population doubles. Farmers switch to irrigation and shorter fallow periods, and food output rises. Whose idea does this support?
- Neither, because population has no effect on farming.
- Malthus's, that food runs out as population grows.
- Boserup's, that pressure can spur new methods.
- Both equally, because the two views say the same thing.
Show the answer
Boserup's, that pressure can spur new methods.
Boserup argued that rising population pushes people to farm more intensively and invent new methods. Here pressure led to higher output.
Population pressure can reveal environmental limits or spur new ideas, but total supply does not show who can actually get it.
Thomas Malthus argued that population can grow faster than food supply. When it does, shortages follow and population is held back. His idea focuses on environmental limits.
Ester Boserup argued the opposite. Rising population pushes people to farm more intensively and invent new methods. Shorter fallow periods, irrigation and new techniques can raise output from the same land. So the resource base is not fixed.
Both views have weaknesses. Malthus underestimated human inventiveness. Boserup's idea assumes new methods appear and are affordable. Intensive farming can also damage land through erosion, worn-out soil or overused water, cutting later output.
Both views can miss unequal access. A region may grow enough food overall, while poor families cannot afford it. Land ownership, income and conflict matter. So ask three questions: how much is produced, can it last, and who can get it?
- Malthus
- Population can outgrow food supply.
- Boserup
- Population pressure drives new farming methods.
- Access
- Enough food overall does not mean everyone gets enough.
Step by step
Find the prediction
Fixed limits, or a response to pressure?
Test the response
Does technology raise lasting output, and who can use it?
Check access
Who can afford and reach the food?
Worked example: More grain, still hungry
In a made-up district, irrigation raises grain output but overuses groundwater. Landowners sell more, but landless families still cannot afford food. This supports Boserup, but falling water and exclusion show innovation alone is not enough.
Watch out for this
Malthus was completely wrong because farming improved.
Innovation challenges fixed limits, but limits can still matter. Judge each case.
Check your understanding
Food output rises, but poor families cannot afford it. What weakness does this show?
- Environmental limits have disappeared for good.
- Focusing on total supply can miss unequal access.
- No farming innovation happened, so supply stalled.
Show the answer
Focusing on total supply can miss unequal access.
Yes. Supply and access are different.