An implication of Ricardian equivalence is that if the government increases expenditures without increasing taxes, the increase in government expenditures will be ______.

Select all that apply.

Question

An implication of Ricardian equivalence is that if the government increases expenditures without increasing taxes, the increase in government expenditures will be ______.

Select all that apply.

BlackTom AI · Accepted Answer

Ricardian equivalence states that forward-looking consumers internalize the government budget constraint and therefore anticipate that current government borrowing implies future taxes.

1) Relevant knowledge points and concepts
- Government budget constraint and present-value (PV) financing: any increase in G must be financed by taxes T now or in the future (or by issuing debt that implies future taxes).
- Lifetime (Ricardian) consumer behavior: consumers maximize lifetime utility subject to a PV budget constraint; with perfect capital markets and altruism toward heirs, consumers treat expected future taxes as their own liabilities and adjust saving/consumption accordingly.
- Result: an increase in government spending financed by debt leads consumers to raise saving (reduce consumption) to pay anticipated future taxes, offsetting the fiscal stimulus.

2) Step-by-step reasoning
- Start from national income identity: Y = C + I + G (ignoring NX). If G rises and output Y does not change immediately, something else must fall.
- Government PV budget: Σ_t (G_t - T_t)/(1+r)^t = ΔB (new debt). If ΔG is financed by borrowing, consumers foresee higher future T to service debt.
- Consumer PV budget: Σ_t C_t/(1+r)^t = Σ_t (Y_t - T_t)/(1+r)^t + wealth. If expected T increases by the PV amount of ΔG, the RHS falls by that PV, so ΣC must fall by the same PV (consumers increase saving).

3) Intermediate/calculation steps (simple algebraic illustration)
- Suppose a one-period increase ΔG financed by borrowing. Government must raise future tax ΔT = ΔG (in PV).
- Consumer lifetime budget: C_now + C_future/(1+r) = Y_now - T_now + (Y_future - T_future)/(1+r) + W.
- If T_future increases by ΔG, the RHS falls by ΔG/(1+r); to restore equality consumers reduce consumption by that PV (raise saving) so ΔC ≈ −ΔG (in PV terms).

4) Why the correct answer is correct
- Under Ricardian equivalence, consumers offset government borrowing by reducing consumption; thus an increase in G will be at least partially (and under full-Ricardian assumptions, fully) offset by a reduction in consumer spending.

5) Why other options are incorrect
- "Enhanced by an increase in consumer spending": opposite of Ricardian prediction.
- "More than offset by a reduction in firm spending": Ricardian equivalence focuses on household intertemporal responses, not mandated reductions in firm investment; firms may respond via crowding out through interest rates, but not "more than offset" as a Ricardian implication.
- "Enhanced by the multiplier effect": Ricardian equivalence implies the multiplier is reduced or zero (not enhanced).
- "Instantly offset by automatic stabilizers": automatic stabilizers (like unemployment benefits) operate differently and do not capture the Ricardian forward-looking private saving response.

6) Conclusion
The correct selection is that the increase in government expenditures will be at least partially offset by a reduction in consumer spending, which matches the provided answer.

An implication of Ricardian equivalence is that if the government increases expenditures without increasing taxes, the increase in government expenditures will be ______. Select all that apply.多项选择题

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