Vector Autoregressions
Vector Autoregressions
Vector Autoregressions
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Fiscal Theory• Equation depicting payments to governmentbondholders:B 0 1t ∑ t0Tt −1rG t P 0• Standard Fiscal Theory– Price level flexible– When G or T changes, P 0 adjusts immediately• Fiscal Theory with sticky prices– G jumps or T drops implies r falls– Low r stimulates consumption• To explore Fiscal Theory story, must check whatTo explore Fiscal Theory story, must check whathappens to r after fiscal shock.