1.Attanasio, Orazio, Guiso, Luigi and Jappelli, Tullio, 2002. The Demand for Money, Financial Innovation, and the Welfare Cost of Inflation: An Analysis with Household Data, Journal of Political Economy, 110(2): 317-351.

2.Boeschoten, W.C. 1998. “Cash Management, Payment Patterns and the Demand for Money,” De Economist, 146(1): 117- 142

3.Das Ashish and Agarwal Rakhi 2010. Technical Report 2010 http://dspace.library.iitb.ac.in/jspui/handle/10054/1732.

4.David Bounie and Abel Francois 2006. “Cash, Check or Bank Card? The effects of Transactions Characteristics on the use of Payment Instruments”, Working Papers in Economics and Social Sciences, Working Paper ESS-06-05, Available at SSRN: https://ssrn.com/abstract=891791 or http://dx.doi. org/10.2139/ssrn.891791.

5.Gandhi. R. 2017. Speech by the Deputy Governor of the Reserve Bank of India, at the launch of the Bharat QR Code, Mumbai, 20 February 2017. https://www.bis.org/review/ r170223b.htm

6.Humphrey David, Magnus Willeson, Ted Lindblom and Goran Bergendahl 2003. “What does it cost to make a payment?”, Review of Network Economics, 2(2).

7.Laura Rinaldi 2001. “Payment Cards and Money Demand in Belgium”, Center for Economic Studies Discussions Paper Series (DPS) 01.16, http://www.econ.kuleuven.be/ ces/ discussionpapers/default.htm

8.Nyasha Kaseke 2012. “Cash or Plastic Money – An Investigation into the Payment mode during Post-multicurrency period in Zimbabwe”, Int. J. Adv. Res. Mgt. and Soc. Sc., 1(6): 102 – 119

9.Rupa Jajoo and Vani Laturkar 2011. “Debit Card Usage in India – A Perspective”, Global Economic Research, 1(1): 54 – 61.

10.Simiyu, Justo Simiyu, Momanyi, Gedion, Naibei, Kiprotich Isaac and Odondo, Alphonce Juma 2012. “Credit and Debit Card Usage and Cash Flow Management Control by Customers: Evidences from Commercial Banks Customers in Kisumu City, Kenya”, African Research Review, 6(4): 157-172

11.Stix, H. Empirica 2004. “How Do Debit Cards Affect Cash Demand? Survey Data Evidence”, 31: 93.

12.Sunita Agrawal and Ankit Jain 2012. “Technological Advancement in Banking Sector in India: Challenges Ahead”, Abhinav J. Res. Com. Mgt., 2(1): 89 – 96.

13.Sweety Gupta and Aanchal Aggarwal 2014. “Financial Innovations and Technologies: Indian Economy 2020”, IOSR Journal of Business and Management (IOSR-JBM), 16(2): 62-67.