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PEAMCQModerate

2026 PEA Q27

With the same setup as Question 26 but with price fixed at P=10P = 10, the equilibrium output is

Reveal answer and solution

Answer

D

Solution

  1. 1

    With P=10P=10, real money endowment is Mˉ/P=10\bar M/P = 10. The money-demand

  2. 2

    condition

  3. 3
    MP=14 ⁣(L+MˉP) \frac{M}{P} = \tfrac{1}{4}\!\left(L + \tfrac{\bar M}{P}\right)
  4. 4

    becomes

  5. 5
    10=14(L+10)    L+10=40    L=30. 10 = \tfrac{1}{4}(L + 10) \;\Longrightarrow\; L + 10 = 40 \;\Longrightarrow\; L = 30.
  6. 6

    Since the price is above the market-clearing level P=6P^* = 6 (Question 26), the

  7. 7

    labour market is in excess supply and employment is demand-determined.

  8. 8

    Output Y=L=30Y = L = 30.

Answer structure / marking notes

At a fixed price above PP^*, output is pinned down by the money-market (or equivalently, goods-market) condition, not by the labour supply.

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Content note

Imported from public/resources/isi/msqe/solutions/pea/2026/ISI_MSQE_PEA_2026_Solutions.tex. Question wording is retained from the available local TeX source; incomplete option blocks or ambiguous source status are flagged for review.