Mankiw-Ball - Financial Crises
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MACROECONOMICS and the FINANCIAL SYSTEM .
regory
an w
aurence
. a
In this cha ter, ou will learn:
common features of financial crises
how financial crises can be self-perpetuating
various policy responses to crises
, including the U.S. financial crisis of 2007-2009
ow cap ta g t o ten p ays a ro e n nanc a crises affecting emerging economies
CHAPTER 19
Financial Crises
1
Common features of financial crises
Asset price declines involving stocks, real estate, or other assets
often interpreted as the ends of bubbles
Financial institution insolvencies a wave of loan defaults may cause bank failures hedge funds may fail when assets bought with borrowed funds lose value financial institutions interconnected, interconnected,
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Common features of financial crises
Liquidity crises if its depositors lose confidence, a bank run de letes the bank’s li uid assets if its creditors have lost confidence, an inv m n nk m h v r l llin commercial paper to pay off maturing debts , assets at “fire sale” prices, bringing it closer to
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Financial Crises
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Financial crises and a
re ate demand
Falling asset prices reduce aggregate demand consumers’ wealth falls
postpone spending
, firms and consumers to borrow
Financial institution failures reduce lending banks become more conservative since more uncertainty over borrowers’ ability to repay
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Financial Crises
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Financial crises and a
re ate demand
Credit crunch: a sharp decrease in bank lending
may occur when asset prices fall and financial institutions fail forces consumers and firms to reduce spending e a n agg. eman worsens e nanc a cr s s falling output lower firms’ expected future earnings, reducing asset prices further falling demand for real estate reduces prices more bankruptcies and defaults increase, bank panics more likely
Once a crisis starts, it can sustain itself for a long time Financial Crises
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CASE STUDY
sas er n
e
s
Shar asset rice declines: the stock market fell 13% on 10/28/1929, and fell 89% by 1932 , defaults and a bank panic
A credit crunch and uncertainty caused huge fall in consumption and investment
Falling output magnified these problems , creating deflation, which increased the real value o e s an ncrease e au s
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Financial rescues: emer enc loans
The self-perpetuating nature of crises gives policymakers a strong incentive to intervene to tr to break the c cle of crisis and recession.
During a liquidity crisis, a central bank may act as a , prov ng emergency loans to institutions to prevent them from failing.
Discount loan: a loan from the Federal R rv t a bank a r v d if F d ud solvent and with sufficient collateral
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Financial Crises
bank
7
Financial rescues: “bailouts”
Govt may give funds to prevent an institution from failing, or may give funds to those hurt by the failure
Purpose: to prevent the problems of an nso ven ns u on rom sprea ng
Costs of “bailouts”
direct: use of taxpayer funds , likelihood of future failures and need for future
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“Too bi to fail”
The larger the institution, the greater its links to other institutions
Links include liabilities such as de osits or borrowings
if they are so interconnected that their failure
TBTF institutions are candidates for bailouts. Example: Continental Illinois Bank (1984)
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Risk Rescues
Risky loans: govt loans to institutions that may not be repaid institutions borderin on insolvenc institutions with no collateral
Equity injections: purchases of a company’s stoc y t e govt to ncrease a near y nso vent company’s capital when no one else is willing to buy t e company s stoc
Controversy: govt ownership not consistent with free market principles; political influence
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The U.S. financial crisis of 2007-2009
Context: the 1990s and early 2000s were a time of stability, called “The Great Moderation”
stock prices dropped 55% unemployment doubled to 10% failures of lar e, resti ious institutions like Lehman Brothers
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The sub rime mort a e crisis
2006-2007: house prices fell, defaults on subprime mortgages, huge losses for institutions holdin sub rime mort a es or the securities they backed
Financial declared bankruptcy in 2007
qu y cr s s n ugus as an s re uce lending to other banks, uncertain about their ability to repay
Fed funds rate increased above Fed’s target
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Disaster in Se tember 2008 After 6 calm months, a financial crisis exploded:
Fannie Mae, Freddie Mac
defaults, U.S. Treasury became their conservator on their bonds to prevent a larger catastrophe e man ro ers declared bankruptcy, also due to losses on MBS
Lehman’s failure meant defaults on all Lehman’s borrowings from other institutions, shocked the en re nanc a sys em
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Disaster in Se tember 2008
American International Group (AIG) about to fail when the Fed made $85b emergency loan to prevent losses throughout financial system
The money market crisis
nervous depositors pulled out (bank-run style) until Treasur De t offered insurance on MM de osits
Flight to safety
, price drops, but bought Treasuries, causing their CHAPTER 19
Financial Crises
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The flight to safety: -
-
10
8
Corporate bond interest rate
7
% ( 6 e t a r 5 t s 4 e r e t n 3 i 2
Treasury bill
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9 0 n J N - D - D - 7 8 8 8 1 1 2
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An econom in freefall
Falling stock and house prices reduced consumers’ wealth, reducing their confidence and spending.
bank lending fell sharply because
an s cou no rese oans o secur zers banks worried about insolvency from further osses
Previousl “safe” com anies unable to sell commercial paper to help bridge the gap between roduction costs and revenues
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The olic res onse
TARP – Troubled Asset Relief Program (10/3/2008) $700 billion to rescue financial institutions “ ” subprime MBS
institutions . . in Citigroup, Goldman Sachs, AIG, and others
e era eserve programs o repa r commerc a paper market, restore securitization, reduce mor gage n eres ra es CHAPTER 19
Financial Crises
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The olic res onse
Monetary policy: Fed funds rate reduced from 2% to near 0% and has remained there
The fiscal stimulus package (February 2009): ax cu s an n ras ruc ure spen ng cos y near y 5% of GDP ongress ona u ge ce es ma es oos e real GDP by 1.5 – 3.5%
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The aftermath
The financial crises eases
Dow Jones stock price index rose 65% from 3/2009 to 3/2010 Many major financial institutions profitable in Some taxpayer funds used in rescues will , appear small relative to the damage from the
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The aftermath: unemplo ment persists 10 e c r 8 o f r o b a l f 6 t n e c r p
2
27
24 s k 21 e e
rate (left scale) average duration of unemployment (right scale) 7 8 8 8 8 8 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 r y n l l g p t v c n b r r y n l g c n b r u u u e c o e a e a p a u u u a p a u J e a e J J A A S O N D J F M A M J A D J F M M J
15
The aftermath
Constraints on macroeconomic policy Huge deficits from the recession and stimulus constrain fiscal policy Monetary policy constrained by the zero-bound roblem: even a zero interest rate not low enough to stimulate aggregate demand and reduce unemployment
Moral hazard increase future risk-taking and the need for future
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Reforming financial regulation: egu at ng non an nanc a nst tut ons
Nonbank financial institutions NBFIs do not en o federal deposit insurance, so were less regulated than banks
Since the crisis, many argue for bank-like regu a on o s, nc u ng: greater capital requirements restrictions on risky asset holdings greater scrutiny by regulators
Controversy: more regulation will reduce
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Reforming financial regulation: ress ng oo g o a
Polic makers have been rescuin TBTF institutions since Continental Illinois in 1984
, limit size of institutions to prevent them from ecom ng limit scope by restricting the range of different
Such proposals would reverse the trend toward mergers and conglomeration of financial firms, would reduce benefits from economics of scale & scope
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Reforming financial regulation: scourag ng excess ve r s - a ng
Most economists believe excessive risk-takin is a key cause of financial crises.
requiring “skin in the game” – firms that arrange r s y ransac ons mus a e on some o e r s reforming ratings agencies, since they un eres ma e e r s ness o su pr me reforming executive compensation to reduce ncen ve or execu ves o a e r s y gam es n hopes of high short-run gains
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Reforming financial regulation: ang ng regu a ory s ruc ure
There are man different re ulators, thou h not b any logical design. gaps in regulation contributed to the 2007-2009 .
Proposals to consolidate regulators or add an agency that oversees and coordinates regulators.
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CASE STUDY
e
o
- ran
c
uy
establishes a new Financial Services Oversi ht Council to coordinate financial regulation agencies annually
FDIC gains authority to close a nonbank financial institution if its troubles create systemic risk
prohibits holding companies that own banks from s onsorin hed e funds
requires that companies that issue certain risky “ ” least 5% of the default risk
Financial crises in emer in economies
Emerging economies : middle-income countries
Financial crises more common in emerging , often accompanied by capital flight.
Capital flight: a sharp increase in net capital outflow that occurs when asset holders lose confidence in the economy, caused by
political instability an ng pro ems
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Ca ital fli ht
Interest rates sharply when people sell bonds
Exchange rates depreciate sharply when people ’
Contagion: the spread of capital flight from one country to another
people worry that Country B might be next, h ll nr ’ n rr n causing the same problems there
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Ca ital fli ht and financial crises
Banking problems can trigger capital flight
Capital flight causes asset price declines, which
High interest rates from capital flight and loss in confidence cause aggregate demand, output, and em lo ment to fall which worsens a financial crisis ap exc ange ra e eprec a on ncreases burden of dollar-denominated debt in these coun r es
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e
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Crisis in Greece
Caused by rising govt debt, fear of default
Asset holders sold Greek govt bonds, which
Facing a steep recession, Greece could not pursue fiscal policy due to debt, or monetary olic due to membershi in the Eurozone
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Crisis in Greece Interest rates on -
Govt budget deficit, 16
9
14
8
12
7
Greece
10 8
5 4
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Germany 5 0 2
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The International Monetar Fund
International Monetary Fund (IMF): an international institution that lends to countries experiencing financial crises
established 1944 “
”
How countries use IMF loans: govt uses to make payments on its debt central bank uses to make loans to banks central bank uses to prop up its currency in foreign exchange markets
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CHAPTER SUMMARY
Financial crises begin with asset price declines, financial institution failures, or both. A financial crisis can produce a credit crunch and reduce aggregate demand, causing a recession, which reinforces the financial crisis.
Policy responses include rescuing troubled . institutions with liquidity crises, giveaways, risky , .
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CHAPTER SUMMARY
Financial rescues are controversial because of the cost to taxpayers and because they increase moral hazard: firms may take on more risk, thinking the government will bail them out if they get into trouble.
Over 2007-2009, the subprime mortgage crisis in the U.S. Stock prices fell, prestigious financial , , unemployment rose to near 10%.
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