2005. Society of Economic Dynamics, Annual Meeting, Budapest, Hungary, “The Mystery of Monogamy,” lecture.
2005. Hebrew University, Departmental seminar, Economics department, “The Effect of Parents' Longevity and Socio-Economic Variables on Offspring’s' Life Expectancy,” lecture.
2004. NBER Summer institute, 2004, U.S., “The Mystery of Monogamy,” lecture.
2004. Conference on ‘Economic Growth and Distribution’, Lucca, Italy, 2004, “Corruption and Openness,” lecture.
2003. Brown University, U.S., Economics department, “Corruption and Openness,” lecture.
2003. Boston University, U.S., Economics department “Corruption and Openness,” lecture.
2003. Hebrew University, Economics department, Departmental seminar, “ Corruption and Openness,” lecture.
2003. Annual Meeting of the Israeli Economic Association, “The Mystery of Monogamy,” lecture.
2003. Conference on ‘From Stagnation to Growth, Rorschach, Switzerland, “ The Mystery of Monogamy,” lecture.
2003. American Economic Association, Annual Meetings, Washington D.C., U.S., “The Mystery of Monogamy,” lecture and discussant.