Effect of Declaration of GST Rates and Changes in the GST Rates on the Sectorial Indices of National Stock Market


  • Sai Saran C Research scholar, Department of Commerce, CHRIST (Deemed to be University), Bengaluru, Karnataka, India.


OLS, GST, GARCH, TGARCH, Efficient Market


As per the Hypothesis of efficient market, the market is sectioned in three sections in view of how efficiently the market reacts to the private and public information. The main objective of this paper is to check whether there is a presence of volatility in the market due to declaration of GST rates and the declaration of changes in the GST rates and test semi-strong efficiency of Indian stock market. It was discovered that the declaration of GST rates and declaration of changes in GST rates did create an effect on the volatility of stock market. Goods and Service Tax has replaced the existing cascading taxes levied by the governments. It is going to change the way taxes are levied which effects the sentiments of the investors which can been analysed on the reaction of the investors towards stock market.  The closing prices of NSE 10 sectorial indices and Nifty index has been used for conducting the study. The study is conducted using OLS, GARCH, and TGARCH. Thus, the study is useful to the regulatory bodies, investors and portfolio managers.


Anjala, K., & Kaur Kalra, J. (2015). An Empirical study on Efficient Market Hypothesis of Indian capital markets. Journal of Management Research and Analysis, 108-110.

Deep Sharma, G., & Mahendru, M. (2009). Efficiency Hypothesis of the Stock Markets: . International Journal of Business and Management , 136-137.

Dr. Chaurasia, P., Shweta, S., & Kumar Sen, P. (2016). Role of Good and Service tax in the growth of Indian economy. International conference center (pp. 240-244). New Delhi: International conference on recent trends in engineering science and management.

Dr.Sathyanarayana, S., & Gargesha, S. (2017). The Impact of Policy Announcement on Stock Market Volatility: Evidence from Currency Demonetisation in India. IOSR Journal of Business and Management (IOSR-JBM) , 47-48.

Garg, G. (2014). Basic Concepts and Features of Good and Service Tax In India. International Journal of scientific research and management , 542-544.

Fama, E.F, (1991), Efficient Capital Markets II, Journal of Finance, Vol. 46, No. 5, pp. 1575-1617.

Gupta, N., & Gedam, A. (2014). Testing of Efficient Market Hypothesis: a study on Indian Stock Market . IOSR Journal of Business and Management (IOSR-JBM) , 28-30.

Asteriou, D., Samitas, A., & Kenourgios, D. (2013), The London 2012 Olympic Games Announcement and its Effect on the London Stock Exchange, Journal of Economic Studies, Vol. 40, No. 2, pp. 203-221.

Mishra, A. (2005). An empirical analysis of Market Reaction around Bonus issues in India. ICFAI Journal of Applied Finance, 21-36.

Obaidullah. (1990). Stock prices adjustment to Half-yearly earning announcemnt-A test of Market efficiency. Chartered Accountant, 922-924.

Sehrawat, M., & Dhanda, U. (2015). GST in India: a key tax reform. International Journal of Research , 139-140.

Thomas, Susan, & Shah. (2002). The stock market response to the Union Budget. Economic and Political Weekly, 455-458.




How to Cite

Sai Saran C. (2018). Effect of Declaration of GST Rates and Changes in the GST Rates on the Sectorial Indices of National Stock Market. Indian Journal of Commerce and Management Studies, 9(2), 51–58. Retrieved from https://www.ijcms.in/index.php/ijcms/article/view/142