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Hello, in this video we are trying to answer the following question, which is explaining whether or not you agree with the following statements.
00:09
We see all the statements are all about nominal gdp and real gdp.
00:14
So let's first review how to calculate nominal gdp and real gdp.
00:26
So suppose we have a country, we're currently at year t, right? year t.
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The nominal gdp will be simply the price level of year t times the total amount of goods they are produced within this year t.
00:42
And the real gdp, however, it is the price level of a base year multiplied by the quantity of all the goods produced.
00:57
So if we are standing at the price t we could use the price level from some previous year.
01:03
And we could use, you know, right, to calculate the real gdp so that we know the change in the amount of goods produced over the years.
01:12
So if we see that nominal gdp is less than real gdp in this case, given the quantity stays the same, we could see that price level must have been fallen, right? pt, from this first line, that nominal gdp is less than real gdp and we know the quantity state, the same within the same year, it must be that the price level of eot is lower than the price level of the base year, which is usually sometime before today.
01:48
So we can conclude that the price level has fallen during the year.
01:54
So this is true.
01:57
But if we look at this problem from a different angle, like if we look at from sometime after year t, then we could use some some, we could use the price level of base year in some future time, then this statement is not necessary to, but you know, given, you know, this, but if consider we are looking at the latest year and we use the price level of some time before year t, this statement is correct.
02:28
Okay.
02:29
So the second statement was that whenever real gdp declines, nominal gdp must also decline.
02:37
So remember when we are comparing real gdp, we know that the change in real gdp must come from change in outputs or quantity of outputs.
02:47
So whenever real gdp declines, we know for sure that the quantity of product produced has declined.
02:55
However, it doesn't necessarily mean that nominal gdp has been declined, right? because even though quantity declined, price level could increase by a lot, by more than the decline in the quantity.
03:12
The nominal gdp in that case actually increase or stay the same.
03:17
So this statement is not true, so it is false.
03:22
Third, if the recession is so severe that the price level declines, then we know that both real gdp and nominal gdp must decline.
03:31
So this statement c actually added another content.
03:36
Condition.
03:37
So first they say there is a resection...