There actually isn't a finite set of resources when we're talking about human capital. Motivation and inspiration and incentive come into play, and as it happens different people are inspired to work on different things.
> There actually isn't a finite set of resources when we're talking about human capital.
Wrong.
> There actually isn't a finite set of resources when we're talking about human capital
Ever heard of something called a budget?
Teachers, aid workers, doctors, and others need to get paid. Their suppliers need to get paid. Infrastructure needs to be built.
All of that costs money.