And the more economic and demographic forces lead to concentrations of population, the less pressure there will be on open space.

But other economists predict that powerful demographic forces will keep prices increasing in most of the country.

But this situation was not, he claimed, the result of personal inadequacy; it resulted from wider impersonal economic and demographic forces.

Importantly, the politics behind the 'impersonal, economic and demographic forces at work in British and American cities need to be brought out.

Borders are being overwhelmed by economic, technological, environmental, demographic and even criminal forces that national governments cannot control on their own.

Graduate school enrollments have also been affected by the same demographic forces sweeping over the colleges.

These demographic forces can also operate in more subtle ways.

Over the last decade, powerful demographic forces began to change the urban complexion.

These approaches suggest that political ideology follows demographic forces.

The Khitans used this to keep a peaceful environment helping to strengthen all their demographic, economic and structural force.