ECON204 Lecture Notes - Lecture 1: Quantitative Easing, Real Interest Rate, Financial Market

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17 May 2018
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Crisis
From 2000 to 2007 there was sustained global expansion. In this time, US housing prices has
doubled.
In 2007, US house prices started to decline, and as they fell further, it became clear that mortgage
loans made during the expansion were of poor quality. Many borrowers struggled to meet mortgage
repayments. As house prices fell, the value of their mortgage exceeded the value of their house,
giving them an incentive to default.
Banks that issued the mortgages had repackaged and sold them as securities to investors and banks.
These securities were further repackaged and sold, leading to complexity and opaqueness. When
stock market prices fell, the housing price decline turned into a major financial crisis.
The decreasing house prices and stock price collapse lead to fear of another Great Depression.
Despite strong actions by the Fed (the US Central Bank), which cut interest rates all the way down to
0, and the US government, which cut taxes and increased spending, demand decreased.
Consumption and investment fell, reducing output growth and increasing unemployment.
The US crisis quickly became a world crisis, as other countries were affected through two channels:
1. Tade: ipots of foeig goods to the U“ suffeed. “o othe outies epots delied, and
so did their output.
2. Financial: US banks had repatriated funds from other countries, creating problems for banks
in those countries as well.
In many countries, output turned negative. By 2009, the average growth in advanced economies was
-3.7%. In contrast, it was 2.6% during the expansion. This was by far the lowest annual growth rate
since the Great Depression.
Unemployment rose, particularly in the US and Europe (though not in Australia)
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Responses to the GFC
Emerging and developing economies have largely recovered. Their exports have increased, and
foreign funds have returned. Increasing inflation even indicates economic overheating.
Advanced countries still have many remaining problems. There is still persistently high
unemployment in Europe and the United States, caused by low output growth. As output declined,
so did government revenue, leading to a large increase in budget deficits. Deficits have led in turn to
a large increase in public debt over time. Countries faced great difficulty in reducing these deficits.
Governments and central banks responded with stimulative monetary and fiscal policy to help ease
the crisis.
Monetary policy:
Central banks cut interest rates dramatically. Some near zero, and some even marginally
negative. They remain very low.
o E.g. I , Austalias iteest ate fell fo % to %
Access to credit declines as banks are unwilling to lend money. The central banks had to find
unconventional ways to flood the market with liquidity. This is called quantitative easing
(earlier fed, boe; now ecb, boj). Some programs are still ongoing.
Fiscal policy:
Fiscal stimulus.
Governments spent and borrowed a lot; fiscal deficits funded by debt.
Many worry about too much government debt, and so governments have been holding
back. This has slowed the global recovery
But risks are on the rise:
Financial market volatility fiaial isis happes o aeage ee  eas…
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Is Chias ieased goth (6.9%) real? Credit fears lots of borrowing. (particularly
concerning in Australia)
Continuing low inflation, risking deflation. Japan is always at risk of deflation.
Geopolitical problems terrorism, N.Korea, Syria, refugees, Brexit
Economic Questions:
Economy size
o Output
o Output / capita
Economy health
o Output growth
o Unemployment rate
o Inflation rate
Australia
2017 Stats
Growth = 1.7% (Q1 2017) (Benchmark ~3.1%)
Unemployment rate = 5.6% (Jun 2017) (Benchmark ~ 6.1%)
Inflation = 1.9% (Q2 2017) (Benchmark ~ 2.5%) (Target 2-3%)
From an economic point of view, the period 2000-2007 was one of the best in recent memory.
Output growth averaged 3.3%, a little higher than 1980-1999
Sustained growth was associated with a steady increase in employment and a steady
decrease in the unemployment rate
The inflation rate remained low throughout the period
The Global Financial Crisis in 2008 reduced output growth and inflation, & pushed up
unemployment:
Output growth reduced by 2% in 2009 compared to earlier in the decade.
Unemployment rose by 1.3% in 2009 compared to 2008.
Inflation fell to 1.8% in 2009.
How did Australia avert the worst effects of 2008 crisis?
1. The Mining Boom: Commodity export prices have
risen, thanks to emerging Asia, particularly China.
(higher returns for level of output). Chias
remarkable output growth led to an increase in
their need for coal and iron ore, of which Australia
is a major exporter.
2. Substantial fiscal stimulus from 2009 to 2011 by
Rudd, then Gillard government. This pushed the
fiscal balance into an annual average deficit of
about 6% of GDP.
3. Immediate and large response by the RBA, cutting the cash rate from 7% to 3% in 6 months.
By 2010, the economy seemed to have stabilised without going into recession, so the RBA
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Document Summary

From 2000 to 2007 there was sustained global expansion. In this time, us housing prices has doubled. In 2007, us house prices started to decline, and as they fell further, it became clear that mortgage loans made during the expansion were of poor quality. As house prices fell, the value of their mortgage exceeded the value of their house, giving them an incentive to default. Banks that issued the mortgages had repackaged and sold them as securities to investors and banks. These securities were further repackaged and sold, leading to complexity and opaqueness. When stock market prices fell, the housing price decline turned into a major financial crisis. The decreasing house prices and stock price collapse lead to fear of another great depression. Despite strong actions by the fed (the us central bank), which cut interest rates all the way down to. 0, and the us government, which cut taxes and increased spending, demand decreased.

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