a. Consider an economy that is characterised by the following
Phillips curve:
? = ?- − ?(? − ?e ),
where ? is unemployment, ?- is the natural rate of
unemployment, ? is inflation, ?e is inflation
expectations
and ? > 0 is a parameter. Suppose that the loss function of
the central bank is given by:
?(?, ?) = ? + 3/2 ?2
Agents are assumed to be rational. Compute inflation and
unemployment (i) if the central bank commits...