- Khalifa, A. A. (Lead Principal Investigator), “A Road map toward a circular carbon economy in Qatar: Aligning the market and policy mechanisms, “(NPRP12C-33923-SP-104)”, $1,070,000.00 (Nov. 1st, 2020 – Oct 31, 2025). The main cluster is lead by a project manager Dr. Abdulkareem Amhamed (QEERI, HBKU) with a total of 6,391,000 USD.
- Khalifa, A. A. (Lead Principal Investigator), “Improving Qatar water use/reuse efficiency through a behavioural lens,” QNRF, NPRP project, 10th cycle, “NPRP10-0131-170300″, $1,070,000.00 (October 1, 2017 – August 31, 2021).
- Khalifa, A. A. (Lead Principal Investigator), “Promoting energy efficiency in Qatar: field experimental evidence,” QNRF, NPRP project, 9th cycle, “NPRP9-232-5-026, $775,000.00 (October 1, 2016 – August 31, 2019).
- Khalifa, A. A. (Supporting), Khalil, M. A. (Lead Principal Investigator), Safari, A. (Lead Principal Investigator), “Financing Entrepreneurial Ventures and SMEs in OIC: Challenges and Improvement Opportunities,” International, Committee of Social and Economic Cooperation (COMSEC), Turkey, $198,000.00. (February 23, 2015 – November 30, 2015). The Center for entrepreneurship, CBE, Qatar university
- Khalifa, A. A. (Lead Principal Investigator). General electric: Global Growth and Organization Sourcing. Project charter survey: RI-KFUPM; CEMS2265, International, General Electric, Saudi Arabia, $25,570.00. It is for 6 months, February 2013- June 2013
- Khalifa, A. A.(Co-Lead Principal Investigator). Oil Price Volatility, Systematic Risk and Systemic Risk in Kuwait, Project number: KFAS No. 2011-1103-01, $54,763.00, 1 year, June 2012- June 2013, International, KFAS, KUWAIT.
- Khalifa, A. A. (Co-Lead Principal Investigator), “The Dynamic Systematic Risk across the GCC Economic Sectors and the Mutual Funds Performance, Project number: IN121059,” International, Saudi Arabia, $34,325.00. (June 2013 – August 2015)
- Khalifa, A. A. (Lead Principal Investigator). Volatility, Market Interdependence and Volatility Spillover across the GCC Stock Markets, Project # JF101021, DSR, KFUPM, Saudi Arabia, $11,920.00 , 1 year, Sept. 2011- August 2012, Lead Principle Investigator
- Khalifa, A. A. (CO-Principal Investigator)Asymmetric Information, Volatility Spillover and Global Hedging, project number: FT1110006, DSR, KFUPM, Saudi Arabia, $17,322.00 , 1 and 1/2 year, Sept. 2012- August 2013, Lead Principle Investigator
- Khalifa, A. A. (CO-Principal Investigator). Rationality of Data based interest rate expectations, Project number: Project number: IN111011, DSR, KFUPM, Saudi Arabia, $24,707.00 , 2 years, Dec. 2012- August 2014, CO- Lead Principle Investigator
- Khalifa, A. A. (Lead Principal Investigator). Oil Price Volatility and Systemic Risk across the Financial Companies in the GCC Economies, Project Number: FT121001,” Local, $21,608.00. (December 2012 – April 2015).
- Khalifa, A. A. (Lead Principal Investigator). Oil Price Volatility and Systemic Risk across the Financial Companies in the GCC Economies, Project Number: FT121001, DSR, KFUPM, Saudi Arabia, $21,637.00 , 3 year, Dec. 2012- August 2015, LPI until August 2013- Then a Consultant for the rest of the period
- Khalifa, A. A. (Lead Principal Investigator, Internal research Grant). Economic Uncertainty and Financial markets: Evidence from Foreign Exchange and Energy markets QUUG-CBE-DFE-13/14-1), Qatar University, $15,610.00 , 2 years, April 2014- March 2016
