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Financial System Liquidity, Asset Prices and Monetary Policy

Financial System Liquidity, Asset Prices and Monetary Policy. Hyun Song Shin 2005 Reserve Bank of Australia conference July 11-12, 2005. Background. Monetary policy works through financial markets Seen through lens of IS curve Central bank controls directly only overnight rate

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Financial System Liquidity, Asset Prices and Monetary Policy

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  1. Financial System Liquidity,Asset Prices and Monetary Policy Hyun Song Shin 2005 Reserve Bank of Australia conference July 11-12, 2005

  2. Background • Monetary policy works through financial markets • Seen through lens of IS curve • Central bank controls directly only overnight rate • But can influence long rates through expectations of future path for short rates • Affects consumption, investment...

  3. Tinbergen-style Separation • Price/output stabilisation • Monetary policy • Financial stability • Prudential/supervisory policies

  4. Tinbergen-style Separation • Price/output stabilisation • Monetary policy • Financial stability • Prudential/supervisory policies

  5. Tinbergen-style Separation • Price/output stabilisation • Monetary policy • Price/output stabilisation • Prudential/supervisory policies

  6. Unwinding Financial Excess • Output costs of financial crises • Fiscal costs of financial sector restructuring • Asymmetry of mechanisms • “on the way up” • “on the way down”

  7. Asset prices Debt Monetary Policy Balance sheet strength Spreads

  8. Pricing claims in a system setting • Some assets (e.g. loans) are claims on other parties • Value of my claim against A depends on value of A’s claims against B, C,... • But B or C may have claim against me

  9. Price of Debt/Claim price of debt face value assets

  10. System Or, more simply

  11. Pricing claims • Tarski’s fixed point theorem: increasing function on complete lattice has largest and smallest fixed point. • ensures uniqueness

  12. Indebtedness and Spreads • Suppose affects • Spread can fall as debt rises • De-leveraging can lead to rise in spreads

  13. Feedback • Balance sheet strength determines lending capacity

  14. Feedback Increased debt Stronger balance sheets

  15. Simplified Financial System Young Households Old Households Banks

  16. Young Households’ Balance Sheet Assets Liabilities Net worth Property Mortgage

  17. Banks’ Balance Sheet Assets Liabilities Net Worth Mortgage Deposits

  18. Old Households’ Balance Sheet Assets Liabilities Deposits Net worth Property Equity

  19. Duration of Assets and Liabilities Value Mortgage Value Deposit Value Treasury Prices tight monetary policy loose monetary policy

  20. Property Price Property Price Supply of property from old property stock held by young

  21. Property Price as Function of Mortgage Price Property price, v Mortgage price p Bank lending Banks’ net worth

  22. Mortgage Price as Function of Property Price p(v) v

  23. Define h(.)as inverse of v(p) h(v) p p(v) v

  24. Step Adjustment:Fall in Treasury Yields h(v) p p(v) p(v) v

  25. Another Scenario... Households Fannie Mae Pension Funds

  26. Households Assets Liabilities Property Net Worth Mortgage Other assets

  27. Fannie Mae Assets Liabilities Mortgage Net Worth Bonds Other Assets

  28. Pension Funds Assets Liabilities Bonds Net Worth Pension Liabilities Cash

  29. Bonds • Bonds issued by Fannie Mae are perpetuities • Price p, yield r • Duration is

  30. Pension Liabilities duration Duration of bond Duration of pension liability Price of bond

  31. Pension Funds • Pension funds mark their liabilities to market • Pension funds match duration of liabilities with assets of similar duration

  32. Pension funds’ demand for bonds Price of bonds duration of bonds demand for bonds duration of pension liabilities

  33. Weight of Money into Property • Fannie Mae accommodates increased demand for bonds by new issues of bonds • Cash proceeds lent out to households • Money flows into property sector • Property price rises...

  34. Property Price as Function of Bond Price p increase bond issue v increase v(p) p

  35. Credit Quality • Credit quality of bonds depends on household net worth v increase + net worth p increase

  36. Bond Price as Function of Property Price p(v) v

  37. Define h(.)as inverse of v(p) h(v) p p(v) v

  38. Step Adjustment:Fall in Treasury Yields h(v) p p(v) p(v) v

  39. Nature of Property Wealth Property Price Supply of property from old property stock held by young

  40. Nature of Property Wealth • Is housing net wealth? • Suppose: increased debt reduction in spreads • How is this possible without increase in net wealth? • Culprit is marking to market

  41. Reversal • New mechanisms “on the way down” • Asymmetric nature of debt • Easy to build up • Not so easy to extinguish • Importance of bankruptcy regime (Cf. Hong Kong)

  42. Scenario • Suppose defaulting borrowers can return the keys and walk away... • Banks hold property directly • Banks mark property to market

  43. Bank Balance Sheet Assets Liabilities Property Deposits Other assets Net Worth

  44. Capital Adequacy Ratio top: net worth bottom: marked-to-market assets, after s sale of property

  45. Sales function s(p) • When capital adequacy constraint binds, bank i sells property

  46. s New equilibrium s(v) d(v) v

  47. What has changed? Short term incentives Increased debt Stronger balance sheets Marking to market

  48. Changing Nature of Monetary Policy • Monetary policy works by manipulating asset prices • Repercussions for wider financial system • Is the “IS” view of monetary policy sufficient? • Financial stability is also about output/price stabilisation • Costs of getting it wrong are large

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