Why is it that Japanese Yen, which is always around a Hundred to a Dollar (even today it is Ninety Seven to One Dollar) remains so ... and Japan is not a poor nation and is not economically sliding down????
Yen is a lower denomination currency. 1 Yen is equal to about 70 paise. So its unit number to dollar as compared to rupee will always be higher. Globally Rupee is not the only currency sliding. Value of Currency of most of the emerging markets as compared to USD are sliding. In case of INR the slide is slightly more mainly because of our political conditions where government is not able to launch any of its economic policies because of intimidation by opposition and activism by the media. The increase in value of dollar could be due to recovery of US economy. The funds that US investors had parked in other countries when US economy was down after 2008 sub prime crises are probably being withdrawn and getting invested in US itself. This could be the probable reason for the value of most currency falling down in regards to dollar.
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Its economy which decides,they are big economically..simple answer.
we delve deeper then we all know its their hard working nature,advancement in technology and maintaining it has contributed to growth.