Al-Hajieh, H., Department of Economics Finance and Accounting, Coventry University, United Kingdom; Redhead, K., Department of Economics Finance and Accounting, Coventry University, United Kingdom; Rodgers, T., Department of Economics Finance and Accounting, Coventry University, United Kingdom | Investor sentiment and calendar anomaly effects: A case study of the impact of Ramadan on Islamic Middle Eastern markets | Research in International Business and Finance | 2011