1. “Elections and Democratization in Ethiopia, 1991 – 2010”, Journal of Eastern African Studies Vol. 5, No. 4, November 2011.
2. “Electoral Authoritarianism and Democratic Governance in Ethiopia”, in Mafela, Lily & Herman Musahara (eds.) (2011) Setting of New Social Science Research Agendas for Africa in the 21^st Century. Addis Ababa: OSSREA.
3. “Autocratic/Authoritarian Culture and Transitional Politics in Ethiopia”, 1991 – 2008, in Bujura, Abdalla (ed.) (2011) Political Culture, Governance & the State in Africa. Nairobi: Development Policy Management Forum (DPMF).
4.  “Party Politics, Political Polarization and the Future of Ethiopian Democracy”, Horn of Africa Journal Vol. XXVIII 2010.
5.  “Electoral Politics and Regime Changes in Africa: The Ethiopian Experience, in Eva-Maria Bruchhaus & Monika M.  Sommer (eds.) (2008) Hot Spot Horn of Africa Revisited: Approaches to Make Sense of Conflict. LIT VERLAG, Berlin.
6. “The Ethiopian State and the Future of the Oromo: The Struggle for ‘Self-Rule’ and ‘Shared rule’”, Journal of Oromo Studies Vol. 15, No. 1 (March 2008).
7. “The May 2005 Elections and the Future of Ethiopian Democracy”, Horn of Africa Journal Vol. XXVI, 2008.
8. “Party Politics and Elections in Ethiopia: 1991 – 2005”, in Kassahun B. et al (eds.) (2007) Electoral Politics, Decentralized Governance and Constitutionalism in Ethiopia, Addis Ababa: Addis Ababa University Press.
9. “Contradictory Interpretations of Ethiopian History: The Need for New Consensus, in David Turton (ed.) Ethnic Federalism: The Ethiopian Experience in Comparative Perspective, Oxford: James Currey; Athens & Ohio University Press; Addis Ababa: Addis Ababa University Press, 2006.
10. 10.  “Popular Participation and Rural Development in Ethiopia”, in Kassahun Berhanu & Demessie Fantaye (eds.) (2006) Ethiopia – Rural Development Policies: Trends, Changes and Continuities, Addis Ababa: Addis Ababa University Press.

11. “Ethiopia: Constraints to Transition and Democratization”, in Alfred G. Nhema (2004) The Quest for Peace in Africa: Transformations, Democracy and Public Policy, Addis Ababa: OSSREA.

12. “The State, Competing Ethnic Nationalisms and Democratization In Ethiopia”, African Journal of Political Science Vol. 9; No. 1;

13. “The Crisis of Revolutionary Democracy and its Consequences for the Peoples of Ethiopia”, paper presented at the Berlin Workshop on Land Grabbing, September 9 – 11, 2011.

14. Ethiopia: From Autocracy to ‘Revolutionary Democracy’, 1960s – 2011. Addis Ababa: Chamber Printing House.

15. “Reconciling Traditional Institutions with Modern Instructions: Study on Borena, Nuer & Gurage” (with Tesema Ta’a) (2010), paper presented at a Workshop on “International Project on Reconciling Africa’s Fragmented Institutions of Governance: A New Approach to Institution Building, November 29 – December 2, 2010, Nairobi, Kenya.

1. 16.  “Civil Society and Transition Politics in Ethiopia”, in Regional Discourses for Strengthening the Civil Society in Kenya, published by African Research and Resource Forum (ARRF), 2009.

17. “Autocratic/Authoritarian Culture and Politics of Transition in Ethiopia”, paper presented at DPMF conference, held from February 23 – 24, 2009 Nairobi, Kenya.

18. “Text Book for Introduction to Ethiopian Politics and Government”, submitted to DPSIR, Addis Ababa University, January 2009.

1. 19.  “Old and New Challenges to Democratic Transition and Good Governance in Ethiopia”, paper presented at National Conference of Ethiopian Chapter of OSSREA, Addis Ababa, July 5, 2008.

20. “Civil Society and Transition Politics in Ethiopia”, paper presented at Seminar on Regional Discourses for Strengthening the Civil Society in Kenya, held on 30^th of May 2008.

21. “Electoral Authoritarianism and the Future of Democratic Governance in Africa: The Ethiopian Experience”, a paper presented at the 9^th OSSREA Congress, Cape Town, South Africa, November 2006.

1. 22.  “The Problematic of Democratizing a Multi-cultural Society: The Ethiopian Experience”, a paper presented to a Conference on “Multi-culturalism in Theory and Practice in Liberal Democracies, held from October 24 – 27, 2007, Montreal Canada.

23. “Party Politics, Political Polarization and the Future of Ethiopian Democracy”, paper presented to the 4^th International Conference on Ethiopian Development Issues, August 2 – 4, 2007, Western Michigan University, Kalamazoo.

24. “The Ethiopian State, Electoral Politics and the Oromo people’s Quest for democracy”, a paper presented to the Annual Meeting of the Oromo Studies Association (OSA), July 28 – 30, 2007, Minneapolis, Minnesota.

25. “The May 2005 Elections and the Future of Ethiopian Democracy”, a paper presented to the 16th International Conference of Ethiopian Studies (ICES), July 2 – 6, 2007, Trondheim, Norway.

1. 26.  “Ethnicity, Democratization and Decentralization in Ethiopia: The Case of Oromia”, Eastern African Social Science Research Review (EASSRR) Vol. 23; No. 1 January 2007.

1. 27.  “The Ethiopian State and the Future of The Oromos: The Struggle for ‘Self-rule and Shared-Rule’”, a paper presented to the Annual Meeting of the Oromo Studies Association (OSA), July 26 – 29, 2006, Minneapolis, Minnesota.
2. 28.  “Ethnicity, Federalism and Democratization in Ethiopia, a paper presented to ‘Ethnicity and Federalism in Africa’ Conference, Lagos from 20 – 23 February 2006’.

29. “The elite and the Quest for Peace, Democracy, and Development in Ethiopia”, Northeast African Studies, NEAS, Vol. 9. No. 1 (2005)