 Dăianu studied at the Ion Luca Caragiale High School from 1968 to 1971.In 1975, he obtained a Master in Economics from the Academy of Economic Studies in Bucharest and, in 1988, a Ph.D. in Economics from the same institution.He held a post-doctoral research position at Harvard University's Russian Research Center, during 1990–1991 and attended Harvard Business School's six-week Advanced Management Program in 1994.