[AUTOMATIC TRANSLATION - SEE NOTE]
The U.S. is beginning to walk the road of quantitative easing , following the path already taken by Britain. The Fed will purchase U.S. Treasury securities with maturities of 2 and 10 years. It is a measure chosen to intervene in the money markets now that the tools with “normal”, ie the management of interest rates, there are more room to maneuver (because they are close to zero). We try to explain in terms simple (and simplified), What are the measures introduced.
quantitative easing policy provides the “pumping” money into the economy by the central bank , operation that is precisely through the purchase of securities on the market and in particular < a href = "http://www.banknoise.com/2007/07/i-titoli-di-stato-bot-ctz-cct-btp-btpi.html"> Bonds .
To understand what is involved the purchase of securities by the central bank must take a step back, to “remember” what the currency. Simplistically, money is a “broker” for economic transactions . In other words, when you want to exchange a good A (which may also work) with a good B for convenience is used as an intermediary currency, but is not “really” part of the transaction: the value is “content” goods in A and B. Always much easier, money for these transactions is given by central banks (thus trivializing an extreme, it remains outside the transaction, since it is a bit ‘ as a term present in both sides of an equation that can be “ignored”).
However, if the central bank uses the money not to lend but to make purchases, then the money becomes part the transaction, because no other underlying asset. The problem is that money alone “is not worth anything.” Or rather, the money is in proportion to the “real wealth” of the economy where it is used.
“Pumping money” in this way then it means dilute the value of money (same cake, I make more slices, the slices are smaller), and in some ways means devaluation implicit . In practice this means that the asset cost more not because they increase in value, but because it decreases the value of money, thereby increasing their value. A key to reading interesting to analyze eg the increase in oil prices after the U.S. began to apply this policy has not increased the value of oil but the dollar fell.
this policy may fail to stimulate the economy, it must be said that it also possible side effects. The main one is that of ‘ inflation . Clearly, at this time is a secondary issue, given the current risk of deflation, but there may be effects in the medium to long term if we introduce an excessive amount of money.
It should be noted however, that unlike other cases (such as Zimbabwe ) where this policy has been used in attempt to pay the debt in the case of USA and Great Britain is a temporary measure , since the intention is to resell the purchased securities when the economic situation will again be favorable (with the operation then would be a “loan” anomalous, rather than a true “premium”).
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USA e UK sulla strada del "quantitative easing", cosa vuol dire?