Behavioural Studies on Tax Payment Compliance (2018 - continuing), funded by DFID
Growth and Development Research Project: with various themes (2015 - continuing), funded by DANIDA
Youth Employment and Women's Economic Empowerment in Africa: The Role of SMEs in the Tourism Sectors of Mauritius, Tanzania & Uganda (2017 - 2019), funded by IDRC
Leveraging Indigenous Knowledge to Create Jobs for Women in Rural Areas of Tanzania and Rwanda (2015 – 2017), funded by IDRC.
Sharing Growth through Informal Employment in East and Southern Africa (2012 – 2014), Funded by IDRC.
Jehovaness Aiakeli & Beatrice Kalinda Mkenda (2019), “Commercialization and Marketing of Women’s Indigenous Knowledge Products: A Case Study of Maasai Body Ornamental Products in Arusha, Tanzania” IK: The other Ways of Knowing, Volume: 5, Pg. 41-75.
Christopher Adam, Jehovaness Aikaeli, and Anne Laski, (2016), “Public Investment and Fiscal Reforms” (Chapter in a book – Tanzania: The Path to prosperity – 2016, Oxford University Press, ISBN: 9780198704812)
Jehovaness Aikaeli, Delphin Rwegasira and Nicas Yabu (2016), “The Challenges of Preserving Macroeconomic Stability” (Chapter in a book – The Economy of Mainland Tanzania: Productivity, Huma Capital and Other Leading Issues – 2016) UDSM Press
Jehovaness Aikaeli (2015), “Experiences of Industrialization and Social Transformation in Brazil, India and South Africa: Implications for Tanzania” (Chapter in a book – How can Tanzania Move from Poverty to Prosperity? – 2015) Dar es Salaam University Press
Jehovaness Aikaeli and Barney Laseko (2015) “The Role of People Identification, Land and Businesses Registration in Transformation and Development Process” (Chapter in a book – How can Tanzania Move from Poverty to Prosperity? – 2015) Dar es Salaam University Press
Jehovaness Aikaeli and Beatrice K. Mkenda (2014), “Determinants of Informal Employment: A Case of Tanzania’s Construction Industry” Botswana Journal of Economics, Issue 2, December 2014
Jehovaness Aikaeli (2011), “Determinants of Excess Liquidity in Tanzanian Commercial Banks”, African Journal of Finance (AJF), June 2011 issue, Vol. 13, No. 1