Publications

BOOKS

1. Egypt's Lost Spring: Causes and Consequences. Bloomsbury, 2015.

2. Geography and the Wealth of Nations. Bloomsbury, 2022.

3. Climate Change, Economic Channels, and Historical Junctures. Palgrave Macmillan, 2025.

PAPERS

1. " Heterogeneous Workers and Occupations: Inequality, Unemployment, and Crowding Out ." Southern Economic Journal, 75 (4): 1141-1164, 2009.

2. "Conditionality Covenants: Commitment Versus Discretion in Sovereign Credit Contracts." Journal of International Development, 22: 411-423, 2010.

3. "Heterogeneity in Ability and Inheritance, Disparities and Development." International Economic Journal, 24 (2): 255-282, 2010.

4. "Income Disparities, Economic Growth, and Development as a Threshold." Journal of Economic Development, 35 (2): 23-36, 2010. (with Sherine El Hag)

5. "Offshoring and Wage Inequality in Developing Countries." Journal of Economic Development, 35 (3): 1-42, 2010. (with Evelina Mengova)

6. "Undiscounted Optimal Growth with Consumable Capital: Application to Water Resources." Journal of Applied Economics, 14(1): 145-166, 2011. (with Ihsan Hurçan)

7. "Undiscounted Optimal Growth with Consumable Capital and Labor-Intensive Consumption Goods." Economic Modelling, 28: 1673-1682, 2011.

8. "Financial Wealth Effect: Evidence from Threshold Estimation." Applied Economics Letters, 18 (13): 1303-1305, 2011. (with Ousmane Seck and Elwin Tobing)

9. "Job Competition, Crowding Out and Unemployment Fluctuations." Macroeconomic Dynamics, 16: 1-34, 2012.

10. "Undiscounted Optimal Growth with Consumable Capital and Capital-Intensive Consumption Goods." Mathematical Social Sciences, 65: 118-135, 2013.

11. "Housing Wealth Effect: Evidence from Threshold Estimation." Journal of Housing Economics, 22: 25-35, 2013. (with Ousmane Seck and Elwin Tobing)

12. "Cyclical Job Upgrading, Wage Inequality, and Unemployment Dynamics." International Economic Journal, 27 (4): 549-585, 2013.

13. "Labor Mismatch, Skill Obsolescence, and Unemployment Persistence (PDF)." Journal of Quantitative Economics, 11 (1&2): 199-229, 2013.

14. "Labor Mismatch and Skill Premia." Eastern Economic Journal, 40: 249-273, 2014.

15. "Direction of Trade and Wage Inequality." Applied Economics Letters, 21 (13): 898-901, 2014.

16. "South-South Trade and Skill Premia." The World Economy, 37 (11): 1634-1648, 2014.

17. "Learning-by-Doing, and Unemployment Dynamics." Economic Modelling, 44: 180-187, 2015.

18. "Trading Tasks and Skill Premia (PDF)." Journal of Finance and Economics, 3 (3): 46-71, 2015. (with Evelina Mengova)

19. "Trade, Overeducation, and Wage Inequality." Journal of Developing Areas, 50 (2): 153-183, 2016.

20. "Trust, Landscape, and Economic Development." Journal of Economic Development, 41 (1): 19-32, 2016.

21. "Endowments, Culture, and Economic Development." Review of Development Economics, 21(3): 664-677, 2017.

22. " Long-Term Vision and Economic Development." The World Economy, 43(11): 3088-3102, 2020. (with Oasis Kodila-Tedika)

23. "African Junta and Defense Spending: A Capture Effect or Self Preservation?" Journal of African Economies, 30(3): 285–300, 2021. (with Oasis Kodila-Tedika)

24. "Official Visits and Democracy." International Economic Journal, 35(4): 434-468, 2021. (with Oasis Kodila-Tedika)

25. "Epidemics, Pandemics and Income Inequality." Health Economics Review, 12(7): 1-15, 2022. (with Omar Galarraga and Chrys Esseau-Thomas)

26. "Leaders' Visits and Foreign Debt." Journal of Developing Areas, 56(4): 303-318, 2022 (with Oasis Kodila-Tedika)

27. "State History and State Fragility in sub-Saharan Africa." Journal of Economic Development, 47(4): 39-53, 2022. (with Oasis Kodila-Tedika)

28. "Official Visits and Economic Freedom." Journal of Economic Integration, 38(2): 219-246, 2023 (with Oasis Kodila-Tedika)

29. "Official Visits and Foreign Direct Investment." Journal of International Trade and Economic Development, 33 (2): 316-342, 2024. (with Oasis Kodila-Tedika)

30. "The Causes and Consequences of Official Diplomatic Visits: A Survey." Research in Economics, 78 (3): 100978, 2024. (with Oasis Kodila-Tedika)

31. "Social Trust and Democracy." Journal of Economic Development, 49(4): 1-23, 2024.

32. "Official Visits and Trade Flows with the United States." Journal of Developing Areas, 59 (2): 257-274, 2025. (with Oasis Kodila-Tedika)

33. "Leader's Education and Land Reform Enactments." International Economic Journal, 1-6, 2025. (with Oasis Kodila-Tedika and Christian Otchia)

34. "Distributive Justice, Democracy and Growth." Journal of Income Distribution, forthcoming.

35. "Visits of Chinese Officials and Chinese Investments in Africa." Review of World Economics, Revise and Resubmit. (with Oasis Kodila-Tedika and Christian Otchia)

36. "Diplomatic Visits and Development Assistance." Working Paper (with Oasis Kodila-Tedika)

37. "The Rise of Military Autocracy: Inequality and the Resource Curse." Working Paper. (with Oasis Kodila-Tedika)

38. "Epidemics and Capital Flight in Africa." Working Paper. (with Oasis Kodila-Tedika, Omar Galarraga, and Chrys Esseau-Thomas)

39. " Official Visits and Conflict Fatalities." Working Paper. (with Oasis Kodila-Tedika)

ARTICLES

1. "Egypt: To Bequest a Country." Foreign Policy Journal, October, 11, 2010.

2. " Paddling in the Bosphorus, Floating on the Nile. " Foreign Policy Journal, November, 28, 2010.

3. " Egypt: A Requiem for Democracy. " Foreign Policy Journal, December, 20, 2010.

4. " The Tunisian Syndrome. " Foreign Policy Journal, January, 21, 2011.

5. " Egypt: The Day of Reckoning. " Foreign Policy Journal, January, 29, 2011.

6. " A Deadlock: The Egyptian Dilemma. " Foreign Policy Journal, February, 6, 2011.

7. " مصر تتحسس طريقها " Aljazeera.net, April, 6, 2011.

8. "مصر وأسئلة المصير " Shorouk, May, 20, 2011.

9. (PDF) مصر ومصالحة مع النفس www.25yanayer.net, October, 28, 2011.

10." The Neo-Islamists . " Foreign Policy Journal, January, 29, 2012.

11. " Egypt's Gaze Into the Abyss. " Foreign Policy Journal, June, 20, 2013.

12. " Egypt's Predicament. " Foreign Policy Journal, July, 9, 2013.

13. "فى وصف المأزق المصرى " Shorouk, July, 31, 2013.

14. " Egypt Election: A Vote in a Game of Charades. " Foreign Policy Journal, May, 6, 2014.

15." A Requiem to Egypt's Spring. " The Orange County Register, June, 14, 2016.