Oumar Sy

Associate Professor


Email: Oumar.Sy@dal.ca
Phone: 902-494-3849
Fax: 902-494-1503
Mailing Address: 
Kenneth C. Rowe Management Building
6100 University Ave, PO Box 15000
Halifax, Nova Scotia, Canada B3H 4R2

Research Topics:
  • International diversification
  • Political economy
  • Financial econometrics
  • Market efficiency
  • Asset pricing
  • Portfolio management
  • Corporate finance
  • Corporate governance


  • PhD (McGill)
  • MSc (HEC-Montreal)
  • BA (HEC)

Current Teaching

Selected Awards and Honours

  • 2022  SSHRC IDG Grant for “The #Metoo Movement, Gender Diversity Washing and Corporate Performance: A Machine Learning Approach” ($70,000) with Najah Attig (PI) and Sadok El Ghoul.
  • 2021  RSB Research Grant for “International Diversification during Financial and Economic Crises” ($3,000).
  • 2015  Rowe Research Grant for “On the Determinant of Stock Returns: A New Perspective” ($5,000).
  • 2007–2009  Institute of Mathematical Finance (IFM2) Research Grant for “Size and Value Investing and International Diversification” ($75,000).
  • 2006  Dean’s Honour List for excellence in the PhD program, McGill University.

Selected Publications

  • Corporate headquarters relocation and CSR performance. Fatemi, A., Fooladi, I., Sy, O., & Zaman, A.A. Forthcoming, International Review of Economics & Finance (2023) https://doi.org/10.1016/j.iref.2023.10.014 (ABDC Rank: A, IF: 4.5, Citescore: 5.7)
  • Event studies in international finance research. El Ghoul, S., Guedhami, O., Mansi, S.A., & Sy, O. Journal of International Business Studies, 54, 344-364 (2023) https://doi.org/10.1057/s41267-022-00534-6 (ABDC Rank: A*, IF: 11.6, Citescore: 14.2, FT50)
  • Which factors explain African stock returns? Mbengue, M.L., Ndiaye, B., & Sy, O. Finance Research Letters, 54, 103805 (2023) https://doi.org/10.1016/j.frl.2023.103805 (ABDC Rank: A, IF: 10.4, Citescore: 10.8)
  • Diversification during hard times. Attig, N., & Sy, O. Financial Analysts Journal, 79, 45-64 (2023) https://doi.org/10.1080/0015198X.2022.2160620 (ABDC Rank: A, IF: 4.0, Citescore: 4.7)
  • What explains the benefits of international portfolio diversification? Attig, N., Guedhami, O., Nazaire, G., & Sy, O. Journal of International Financial Markets, Institutions and Money, 83, 101729 (2023) https://doi.org/10.1016/j.intfin.2022.101729(ABDC Rank: A, IF: 4, Citescore: 5.3)