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Huh? 21%???
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English ain't your 1st language (& pardon my Texan), & you didn't understand the part of the Bushistas having "LOWERED" the prime rate to practically "NOTHING" & promoting the ARM (Adjustable Rate Mortgage), allowing buyers with exceptionally low credit ratings to buy homes with the ARM at around >4% in spite of ballooning prices.
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But then to pay for the Iraq war cost they raised the Mortgage Rate 18 consecutive interest rates increases in 27 months that burst the Housing bubble because those with poor credit ratings found themselves unable to pay for the ARM when it jumped much, much higher than >>10%.
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Once the housing bubble burst, the Bushistas in a last desperate effort brought the prime rate to it's previous ultra low, low levels but by that time it was to late because people that had bought into this bubble defaulted on their payments since their homes actual values were far less than what they had bought into.
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BTW:
In the following article half a year before August 2008 they were putting the fault squarely on the Administration's policies that in general terms says:
"Greenspan & the Fed are to blame.
The US federal reserve's desperate attempts to keep America's economy from sinking are not working although interest rates have been slashed & the Fed has lavished liquidity on cash-strapped banks, the crisis is deepening.
To a large extent, the US crisis was actually made by the Fed... One main culprit was none other than Alan Greenspan..
Today's financial crisis has its immediate roots in 2001, amid the end of the Internet boom & the shock of the September 11 terrorist attacks. It was at that point that the Fed turned on the monetary spigots to try to combat an economic slowdown. The Fed pumped money into the US economy & slashed its main interest rate - the Federal Funds rate - from 3.5% in August 2001 to a mere 1% by mid-2003. The Fed held this rate too low for too long.
Monetary expansion generally makes it easier to borrow, & lowers the costs of doing so, throughout the economy. It also tends to weaken the currency & increase inflation. All of this began to happen in the US.
What was distinctive this time was that the new borrowing was concentrated in housing. It is generally true that lower interest rates spur home buying, but this time, as is now well known, commercial & investment banks created new financial mechanisms to expand housing credit to borrowers with little creditworthiness. The Fed declined to regulate these dubious practices. Virtually anyone could borrow to buy a house, with little or even no down payment, & with interest charges pushed years into the future. ..."
My Reference:
http://economistsview.typepad.com/economistsview/2008/03/did-greenspan-c.html
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Best Regards
Lobato1
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