The concept of the fiscal multiplier can be viewed as simple, but there are many potential complexities to analysis. In this text, I keep the discussion simple (with a nod towards the complexities). There are multiple potential definitions of the fiscal multiplier, but I will use a straightforward one: it is the coefficient relating the expected change of nominal GDP based on an assumed change in a fiscal variable. For example, if a policy change scenario is expected to raise the fiscal...
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