The IS-LM model uses two relations to determine, the two endogenous variables, they are 

Any increase in government expenditure may have an expansionary effect even though these expenditure are matched by an equal increase in taxes. This has been called

The combined effect of the multiplier and the accelerator is also called

In absolute income hypothesis explains 

The statement of Government's policy and major instrument of the expression of the Government programme

The saddle point denotes