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Role of money in the economy
[
Capital, return and interest
Real economy
Self- sufficient household (economy)  production and consumption
Investment and savings
Investment, production, savings and return
Investment, production, savings, return and the real (natural) interest rate
1
The determination of interest in a capital market
Supply of capital
(Savings)
2
Return
Qc
Demand for capital
(Investment)
r2
r1
The determination of interest in the gold market
Determination of interest rate in a commodity money system
3
Interest
Qm
Demand for gold money
i2
i1
Supply of gold money
Determination of interest in a fiat money system
4
Interest
Qm
Demand for fiat money
i2
i1
Supply of fiat money without a
central bank
The determination of interest in the fiat money market
Determination of interest rate in a fiat money system with-out and with a central
bank
5
Interest
Qm
Demand for fiat money
i2
i1
Supply of fiat money with a central bank
Financial prices connect money and real capital
markets: The determination of the price of a bond market
Demand of bonds
(Save - money exchanged for bonds)
6
1/P
Qb
Supply of bonds
(Investment  bonds exchanged for money
1/P*
1/P
Relation between markets and the: return on capital, price of capital and
money interest rate
 MV=PY where M= money stock; V= velocity of money; P=money as medium of account
and Y= stock of products (production)
and M=1/v[PY] where 1/v=k and k = demand for money
and MV/P = Y where MV/P is use of real money use and Y is Real Income = Real Production
 i = R = r/P where i=real rate of money interest; r=real return = [P*- P] and P= price of
asset (good/bond) [ix100 = r/Px100 to make it possible to relate interest value and return
index  return is relative value  depends on the price of an asset].
 Arbitration, speculation and market equilibrium
7
Simultaneous equilibrium in the capital, financial and money market
Capital market Money market Financial market
8
I S
Sb [demand
for money]
Lm Ms
QmQb
i=R[=r/p]

Qc
1/p [= i/r]
Market for
maize seed
Market for
money
Market for
bonds
 
Db [supply of
money]
i
i*
i[=r/p]

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Role of money

  • 1. Role of money in the economy [ Capital, return and interest Real economy Self- sufficient household (economy) production and consumption Investment and savings Investment, production, savings and return Investment, production, savings, return and the real (natural) interest rate 1
  • 2. The determination of interest in a capital market Supply of capital (Savings) 2 Return Qc Demand for capital (Investment) r2 r1
  • 3. The determination of interest in the gold market Determination of interest rate in a commodity money system 3 Interest Qm Demand for gold money i2 i1 Supply of gold money
  • 4. Determination of interest in a fiat money system 4 Interest Qm Demand for fiat money i2 i1 Supply of fiat money without a central bank
  • 5. The determination of interest in the fiat money market Determination of interest rate in a fiat money system with-out and with a central bank 5 Interest Qm Demand for fiat money i2 i1 Supply of fiat money with a central bank
  • 6. Financial prices connect money and real capital markets: The determination of the price of a bond market Demand of bonds (Save - money exchanged for bonds) 6 1/P Qb Supply of bonds (Investment bonds exchanged for money 1/P* 1/P
  • 7. Relation between markets and the: return on capital, price of capital and money interest rate MV=PY where M= money stock; V= velocity of money; P=money as medium of account and Y= stock of products (production) and M=1/v[PY] where 1/v=k and k = demand for money and MV/P = Y where MV/P is use of real money use and Y is Real Income = Real Production i = R = r/P where i=real rate of money interest; r=real return = [P*- P] and P= price of asset (good/bond) [ix100 = r/Px100 to make it possible to relate interest value and return index return is relative value depends on the price of an asset]. Arbitration, speculation and market equilibrium 7
  • 8. Simultaneous equilibrium in the capital, financial and money market Capital market Money market Financial market 8 I S Sb [demand for money] Lm Ms QmQb i=R[=r/p] Qc 1/p [= i/r] Market for maize seed Market for money Market for bonds Db [supply of money] i i* i[=r/p]