The existence of an emergency should not be exclusively dependent on or determined by an actual request for assistance.

can be justified according to real or potential demand.

One of the basic requirements for a naturalization applicant ...

will naturally suit itself to the effectual demand.

the trade will naturally suit itself to the effectual demand.

Or, rather, where did the "effective demand" come from?

Chapter Three – The Principle of Effective Demand

Keynes denied this by classifying demand as consumption demand and investment demand.

In Keynes' analysis, the effective demand is determined by consumption and investment.

Demand risk is to be understood as the risk on actual demand for the works or services which are the object of the contract.

Keynesian economics give importance to efficient demand.

This theory is called "principle of effective demand".

He attributes unemployment to a lack of effective demand.

which can be suited in any respect to the effectual demand; and as its

Without effective demand, there can be no capital accumulation.