He has extensively published in leading marketing, statistics, and psychometric journals, the most recent of which have appeared in the Journal of Marketing Research, Marketing Science, Management Science, the International Journal of Research in Marketing, and Psychometrika. His substantive research interests include pricing, new product development, and market segmentation. His methodological interests lie in structural equation modeling and Bayesian and finite-mixture models.
His research on the long-term impact of advertising and promotions won the 2000 Marketing Science Institute Best Paper Award and also won the 1998 Best Paper Award of the International Journal of Research in Marketing. He was also finalist for the 2009 Paul Green Award for the Journal of Marketing Research and for the 2009 Long-term Impact Paper Award for Marketing/Management Science. Jedidi has conducted seminars at several business conferences and universities. He has also spoken at and consulted with several multinational companies.