Suppose that, prior to the passage of the Truth in Lending Simplification Act and Regulation Z, the demand for consumer loans was given by Qdpre-TILSA = 8 -80P (in billions of dollars) and the supply of consumer loans by credit unions and other lending institutions was QSpre-TILSA = 4 + 80P (in billions of dollars). The TILSA now requires lenders to provide consumers with complete information about the rights and responsibilities of entering into a lending relationship with the institution, and as a result, the demand for loans increased to Qdpost-TILSA = 22 -80P (in billions of dollars). However, the TILSA also imposed “compliance costs” on lending institutions, and this reduced the supply of consumer loans to QSpost-TILSA = 2 + 80P (in billions of dollars).
Based on this information, compare the equilibrium price and
quantity of consumer loans before and after the Truth in Lending
Simplification Act.(Note: Q is measured in
billions of dollars and P is the interest rate).
Instruction: Enter your responses for the
equilibrium price in percentage terms, and round all responses to
one decimal place.
Equilibrium price (interest rate) before TILSA: percent
Equilibrium quantity (in billions of dollars) before TILSA: $
billion
Equilibrium price (interest rate) after TILSA: percent
Equilibrium quantity (in billions of dollars) after TILSA: $ billion
Qdpre-TILSA = 8 -80P
QSpre-TILSA = 4 + 80P
Equilibrium before:
Qdpre-TILSA =QSpre-TILSA
8-80P= 4+80P
4= 160P
P*= 4/160 x 100= 2.5% (0.025) Equilibrium price Before
Q*= 8-80(0.025)= 8-2= $6 billion Equilibrium quantity
Qdpost-TILSA = 22 -80P
QSpost-TILSA = 2 + 80P
Equilibrium after:
QSpost-TILSA = Qdpost-TILSA
2+80P= 22-80P
160P= 20
P**= 20/160 x 100= 12.5% (0.125) Equilibrium price after
Q**= 2+80(0.125)= 2+10= $12 billion Equilibrium quantity after
Equilibrium price (interest rate) before TILSA: 2.5percent
Equilibrium quantity (in billions of dollars) before TILSA: $6 billion
Equilibrium price (interest rate) after TILSA: 12.5 percent
Equilibrium quantity (in billions of dollars) after TILSA: $ 12 billion
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