00:01
In this question, the economist magazine uses the price of a big mac to determine the currency is unvalued or overvalued.
00:08
And in july 2012, the various prices of big macs in new york was 433.
00:15
In beijing, it was 1565 yuan.
00:19
And in geneva, it was 6 .5 swiss francs.
00:23
The exchange rates were 6 .37 yuan per u .s.
00:27
Dollar, and then 0 .90s swiss francs per us dollar.
00:31
So is the yuan undervalued or overvalued relative to the price purchasing parity? so in order to answer this, we have to find what the exact prices are compared to each other using the exchange rate.
00:45
So for the first one, we know that a big mac in the us is 433, and in china is 1565.
00:53
I mean, we know that the exchange rate is 6 .37 yuan per us dollar.
00:59
So we just simply multiply the exchange rate times the us dollars, which is 6 .37 times 4 .33.
01:15
6 .37 exchange rate times 4 .33...