[I found this text somewhere in saved documents on my laptop...I don't know who is author of this]
How can we reduce inflation?Well, low inflation is very hard to fight. We have to reduce domestic demand without generating a large recession. That, by definition, is an extremely hard task. However, when a country has low inflation one more point (or one less point) is not a huge deal. The central bank can deal with the labor market pressures slowly.
High inflations are, on the other hand, the easiest ones to reduce. The main reason is the dollarization. As was mentioned before, in Dollars the inflation rate is the US one. So, if the Central Bank introduces a new currency (the Rigobonian) fixed to the Dollar, then the inflation rate in the new currency should be low. However, if the main cause of the monetary expansion was an irresponsible government and the fiscal policy does not change after the introduction of the new currency, agents know that the fixed exchange rate will be abandoned in the future. This means that there is an expected devaluation of the Rigobonian, and therefore, the inflation rate will be larger than in US Dollars. The lack of credibility generates the problem of not being able to reduce inflation. The question is then how we deal with the problem of credibility?
Medium inflation rates are the hardest ones to control. There are two main reasons:
inertia and relative price disequilibrium.
First, the inertia is the result that current inflation rate highly depends on the previous year inflation rate. This is the result of both the behavior of the agents and the institutionalization of the inertia in wage contracts. For example, there is a clause that says that current wage increases will recover the real wage lost in the previous year. This is a backward looking indexation, generating inertia in the contracts. The stabilization program in this case, not only requires the same ingredients of the high inflationary programs but also needs institutions that can break the existing inertia in the contracts. These institutions have to be extremely credible in order to achieve its goal.
Second, when there is medium inflation, prices in domestic currency increase in a non-coordinating way (not all of them increase at the same time). For example, assume that shoes' prices increase in odd months, while socks' prices increase in even months. There is no coordination between the industries. If suddenly prices are stopped at the middle of an odd month, the price of shoes is relatively too high with respect to the price of socks. The reason is that shoes have just adjust their price, and socks is just going to do it (note that this does not happen in hyperinflation, when the prices are set in dollars and therefore the relative price is equal to the international relative price. This is equivalent of having price increases every day). This disequilibrium cannot be maintained. What happens? Well, the relative price has to move, and the usual way is that the good that is relatively too cheap increases its price. In other words, there is some inflation rate that occurs because relative prices have to adjust. This takes a couple of months, after that inflation should be small.
How can we reduce inflation?Well, low inflation is very hard to fight. We have to reduce domestic demand without generating a large recession. That, by definition, is an extremely hard task. However, when a country has low inflation one more point (or one less point) is not a huge deal. The central bank can deal with the labor market pressures slowly.
High inflations are, on the other hand, the easiest ones to reduce. The main reason is the dollarization. As was mentioned before, in Dollars the inflation rate is the US one. So, if the Central Bank introduces a new currency (the Rigobonian) fixed to the Dollar, then the inflation rate in the new currency should be low. However, if the main cause of the monetary expansion was an irresponsible government and the fiscal policy does not change after the introduction of the new currency, agents know that the fixed exchange rate will be abandoned in the future. This means that there is an expected devaluation of the Rigobonian, and therefore, the inflation rate will be larger than in US Dollars. The lack of credibility generates the problem of not being able to reduce inflation. The question is then how we deal with the problem of credibility?
Medium inflation rates are the hardest ones to control. There are two main reasons:
inertia and relative price disequilibrium.
First, the inertia is the result that current inflation rate highly depends on the previous year inflation rate. This is the result of both the behavior of the agents and the institutionalization of the inertia in wage contracts. For example, there is a clause that says that current wage increases will recover the real wage lost in the previous year. This is a backward looking indexation, generating inertia in the contracts. The stabilization program in this case, not only requires the same ingredients of the high inflationary programs but also needs institutions that can break the existing inertia in the contracts. These institutions have to be extremely credible in order to achieve its goal.
Second, when there is medium inflation, prices in domestic currency increase in a non-coordinating way (not all of them increase at the same time). For example, assume that shoes' prices increase in odd months, while socks' prices increase in even months. There is no coordination between the industries. If suddenly prices are stopped at the middle of an odd month, the price of shoes is relatively too high with respect to the price of socks. The reason is that shoes have just adjust their price, and socks is just going to do it (note that this does not happen in hyperinflation, when the prices are set in dollars and therefore the relative price is equal to the international relative price. This is equivalent of having price increases every day). This disequilibrium cannot be maintained. What happens? Well, the relative price has to move, and the usual way is that the good that is relatively too cheap increases its price. In other words, there is some inflation rate that occurs because relative prices have to adjust. This takes a couple of months, after that inflation should be small.
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