What is Demand Pull-Inflation?

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Demand pull-inflation is an increase of price arising from the increased overall demand for a nation’s output when consumption, investment, government spending or net exports rise without a corresponding increase in the level of AS (figure 1.) Essentially, it’s increase of certain products/services arising from an increase of demand for the same products/services, which cause to shift AD to right. There are various ways that can cause demand-pull inflation.

First of all, demand-pull inflation can occur from the increase in consumption. Let’s say if government decides to lower tax from the income, which is going to increase the income of the people, and give them greater purchasing power. And unless if it’s in a deflation/recession period, people to consume more goods and services, which will shift AD to right. As you see graph 1, assuming the country is producing in a full-employment level, the increase in consumption is going to shift AD2 is going to shift right to AD3, and cause inflation as there will be a bigger competition between the consumers to economy’s limited output/AS. And because of high competition, the price is going to rise drastically, P2 to P3, but cause output to rise only small bits, Y2 to Y3, because since it was already in a level of full employment, producers found it hard to hire more workers.

As an example, if Korea decides to lower the tax, then Koreans are going to spend their income on consuming gold immediately instead of saving it. However, let’s say Korea is at the level of full-employment, producers cannot have huge more output of gold. Then, there will be a strong competition among Koreans to purchase gold, which will raise the price of gold drastically but raise only limited amount of output of gold.

Second of all, demand-pull inflation can be caused by net exports. If neighboring country is suffering from the inflation, and caused prices to rise drastically, then the neighboring country would start to import a lot of goods and services. This would cause AD to shift right because your country is having greater export to that country due to high demand of import inneighbor. This time assume that the country is not the level of full-employment, AD0 which means that there are capital and labors can be raised. In this case, this shift in AD causes to approach nearly full-employment level. So the AD0 would shifted to AD1.

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