Last few days were really busy as I have taken self responsibility of watching each and every match in the IPL - 3. So I am writing after some gap. In this post, let us talk some economics - some currency economics.
This is a great time to observe stock markets and currency markets. As far as Indian stock markets are concerned, they make lot of buzz. But for me, more important markets are currency. Partly because I like them very much and partly because they are really important from macro economy point of view in that they impact real variables like inflation, interest rates and export - import directly. Without getting in to further debate about which market is more important, we move ahead to the actual subject of the post as all agree that both the markets are sufficiently important enough to be studied in depth.
Over the period, I have learned at least 5 different methods of valuing the currency for any country against any other country. Of course, these methods are internally consistent. Using these methods, I was trying to forecast the exchange rate between rupee and American Dollar. The problem is that my forecast is entirely different than that of many analysts and experts. This has not only puzzled me but also motivated me to study the valuations more deeply and I shall do so in coming few weeks. But here I present one or two methods I use to forecast the exchange rate between these two currencies: rupee (Rs) and American Dollar ($).
The first is Interest Rate Parity theory used to predict the exchange rate. It is really simple. Consider 10 year Indian Government Bonds, which are not that risky. These are yielding around 7.80 % annually currently. On the other hand, US Treasury bond (US Govt Bonds) having same maturity of 10 years is yielding 3.60 % annually. So it is clear that (and what follows is based crucially on the assumption that Indian Government is in substantially sound financial situations, that they won't default) an American investor would like to invest money in Indian bonds and earn an extra 4.20 % annually. So what he can do is to take some $ say 100 $, convert them to Rs (at current rate which is 45 Rs per $ roughly) and invest 4500 Rs in government bonds for 10 years. At the end of 10 years he gets lump sum amount of 9535 Rs (this is including interest and note that this is not how bond market works, in the sense that he will actually get his interest on annual or semi annual basis and original face value at the end of 10 years). Now IRP says that the exchange rate must be such that it makes investment in India and US effectively equivalent for any investor. That is investor must earn same return whether he invest in India or USA. In US, this investor would have got 142 $ after 10 years if he would have had invested in US Bonds. So after 10 years 142 $ must be equivalent to 9535 Rs. This means the exchange rate must be 67 Rs per $. So according to this theory, rupee should depreciate against dollar in coming decade. What if this theory does not hold? Then anyone can borrow money at say 4 % (at marginally higher rate as compared to what government borrows money for from the market) and invest in Indian bonds and get something (3.80 % annually) more than what he borrowed, thereby making money out of nothing. Now such free opportunities are not tenable, because everyone will try to do it, thereby pushing up the interest rates in the USA substantially higher eroding such profitable opportunities.
Now analysts say, that Indian growth story implies that foreign investors will invest money in Indian economy and that means higher demand for rupee and appreciation against dollar. The logic is if this is the case, then anyone can exploit the kind of arbitrage opportunity presented above and make infinite amount of money. So either analysts are wrong or someone can make free money. If this is so, analysts can make free money too and the fact that they are not making money but projecting appreciation of rupee implies that they must be wrong. So their actions reveal something different than what their reports do. Is it really the case? This is puzzle number 1 in front of me.
Historically, IRP has been able to give more or less correct results at least over a longer period of time. I mean currency of country having substantially higher interest rates have generally depreciated against currency of the country having lower interest rates. In fact Rupee has depreciated against Dollar over last 10 years from 25 - 30 Rs Per $ to 45 Rs per $ (touching high of 52 Rs per $ in the interim). So, theory seems to work in spite of many unfulfilled (implicit) assumptions in the theory.
Given this dilemma, I am all set to take this study further and come up with some credible valuation of Rupee against Dollar. Till then Goodbye
This blog is a place to discuss various aspects of life. But in specific, it discusses Economics, Mathematics, Politics and sports. I like to write about economic policies, Socio - political issues, reviews about new books, cricket and fitness. This blog is a good place to take a look at least once a week.
Wednesday, March 31, 2010
Thursday, February 18, 2010
Win That Really Mattered For India !
One has to congratulate Indian test squad for doing a fantastic job by winning second test against South Africa (SA) today. This win was important as India would have lost its number one position otherwise. The highlights of the match were centuries by four batsman of India including little master Tendulkar and captain himself MSD, Amla's unbelievable resistance in the second innings and Harbhajan's magical spell to which Morkel fell for to give India the badly needed victory. India has retained number one position and Tendulkar made it very obvious how important it was for the team to retain no. 1 position in a post match interview.
Now we can look forward for ODI series starting in couple of days from now on. The team has just been announced. Ashwin, Yusuf Patahn and Nayar have been included as Zaheer, Harbhajan and Yuvraj are not playing. One can question if Ashwin's inclusion is justified, especially when Ojha is bowling really well and could have replaced Harbhajan. Also, Mishra is in a nice form, so in all probabilities Mishra will play in team of eleven. So what Ashwin will do sitting in dressing room? Instead someone like Maish Pandey could have been given a chance. Coming next to the inclusion of Jadeja, I am always muffed about it. Does he add any real strength to Indian team? Sehwag and Yuvraj (of course he is not playing this series) do the job of fifth bowler. Jadeja can not even clear the ground, so he is hardly useful when it comes to finishing the innings or match. Also one more point to note is that Indian selection committee seems to have reserved Ishant for test and Nehra for ODI's, though there is no apparent reason for it, only except that Ishant will be less ugly in test than in ODI's. But I let these anomalies live strong in Indian team.
This series is important for Kohli. Kohli can actually take this opportunity and cement his place in the team, even after Yuvraj returns. So there is implicit competition between Jadeja and Kohli or even more subtly between Raina and Kohli. So a small triangular series will take place within Indian team. I am interested to see how this unfolds.
At the end of it, I wish all the best wishes to Indian team.
Now we can look forward for ODI series starting in couple of days from now on. The team has just been announced. Ashwin, Yusuf Patahn and Nayar have been included as Zaheer, Harbhajan and Yuvraj are not playing. One can question if Ashwin's inclusion is justified, especially when Ojha is bowling really well and could have replaced Harbhajan. Also, Mishra is in a nice form, so in all probabilities Mishra will play in team of eleven. So what Ashwin will do sitting in dressing room? Instead someone like Maish Pandey could have been given a chance. Coming next to the inclusion of Jadeja, I am always muffed about it. Does he add any real strength to Indian team? Sehwag and Yuvraj (of course he is not playing this series) do the job of fifth bowler. Jadeja can not even clear the ground, so he is hardly useful when it comes to finishing the innings or match. Also one more point to note is that Indian selection committee seems to have reserved Ishant for test and Nehra for ODI's, though there is no apparent reason for it, only except that Ishant will be less ugly in test than in ODI's. But I let these anomalies live strong in Indian team.
This series is important for Kohli. Kohli can actually take this opportunity and cement his place in the team, even after Yuvraj returns. So there is implicit competition between Jadeja and Kohli or even more subtly between Raina and Kohli. So a small triangular series will take place within Indian team. I am interested to see how this unfolds.
At the end of it, I wish all the best wishes to Indian team.
Friday, February 12, 2010
Opportunism at it's best
Events over last two weeks have given democratic principles some rest it needed. Shiv Sena has shown us the way how democracy should function. The way to express regret over anyone's opinion, the way to protest against anyone's view is to attack the cinema halls, cause social disturbance, and to claim victory. Not only that, Congress has shown us how to use government agencies to their own political advantage. I do not say that they should not have given police protection to the cinema halls, in fact it is their duty to do so, but it was quite evident that Congress was trying to built its own image and at the same time deface that of Shiv Sena. They put SRK's controversy to the perfect use. In turn SRK allowed Congress to do that because he is fortifying his image of a star and also giving credibility to newly born "Indian" identity oh his own. Media is as usual being pre - decided as to who should be the "Bakra". Bottomline is that political wisdom has sustained the acme of its opportunism!
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