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Has the efficiency of foreign exchange markets in India evolved over time?

Author

Listed:
  • Radhika Prosad Datta
  • Ranajoy Bhattacharyya

Abstract

Purpose - The purpose of this paper is to determine whether foreign exchange markets in India have become more efficient over time. There were two major developments in India’s foreign exchange market since the 1980s: first, a shift in foreign exchange management regime from a basket peg to a free float; and second, a rapid phase of economic liberalization since the mid-1990s. The paper attempts to find out whether the market efficiency of foreign exchange markets is affected by these developments. The paper mainly uses the well-known Hurst exponent calculated through corrected empirical R over S analysis to determine whether the exchange rates possess long memory. The robustness of the method is tested by calculating the Hurst exponent through two other prevalent methods in the literature. Design/methodology/approach - The authors apply the corrected empirical Hurst exponent which employs the Anis Lloyd correction with the modification suggested by Weron. The sensitivity of the results is then tested by replicating the calculations using the detrended fluctuation analysis and Robinson’s method. Findings - All the methods show that: first, there is no significant change in the overall efficiency of the foreign exchange marketvis a visthe US$ for the time period from 1980 to 2017. Second, neither regime shifts nor calculations over sub-time periods is able to identify significant change in the efficiency level of the market for the US$ exchange rate. Third, efficiency of different exchange rate markets are different over the time period 1999–2017. The US$ market has unequivocally more long run memory compared to the GBP, Yen and EURO markets. Fourth, the results are robust to the method used for calculations. Originality/value - Does the efficiency of asset markets evolve over time? This paper attempts to answer this question. In the process, the paper studies the effect of regime shifts and progressive globalization on the ability of the market to internalize information.

Suggested Citation

  • Radhika Prosad Datta & Ranajoy Bhattacharyya, 2018. "Has the efficiency of foreign exchange markets in India evolved over time?," International Journal of Emerging Markets, Emerald Group Publishing Limited, vol. 13(4), pages 676-688, September.
  • Handle: RePEc:eme:ijoemp:ijoem-05-2017-0161
    DOI: 10.1108/IJoEM-05-2017-0161
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    Cited by:

    1. Song, Yi & Hao, Yuqing, 2024. "Understanding the relationship between Fintech, Natural Resources, Green Finance, and Environmental Sustainability in China: A BARDL approach," Resources Policy, Elsevier, vol. 89(C).
    2. R. P. Datta, 2023. "Analysis of Indian foreign exchange markets: A Multifractal Detrended Fluctuation Analysis (MFDFA) approach," Papers 2306.16162, arXiv.org.

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