• Member of Sri Lanka Economic Association
• Member of Japan Society for International Development

• ADB-JSP Scholarship for Postgraduate Studies
• RMIT University Scholarship for Doctoral Studies

Books

• Deyshappriya, N.P.R. (2021). Essential Mathematics for Business & Economics. Published by Faculty of Management, Uva Wellassa University of Sri Lanka. (ISBN 978-955-54815-2-6)
• Deyshappriya, N.P.R. (2021). An Approach to Macroeconomics (id¾j wd¾Ól úoHd m%fõYh). Published by Faculty of Management, Uva Wellassa University of Sri Lanka. (ISBN 978-955-54815-0-2)
• Deyshappriya, N.P.R. (2021). Microeconomics Analysis (iQCIu wd¾Ól úoHd úYaf,aIKh). Published by Faculty of Management, Uva Wellassa University of Sri Lanka. (ISBN 978-624-97931-1-8)
• Deyshappriya, N.P.R. (2021). Business Economics. Published by Faculty of Management, Uva Wellassa University of Sri Lanka. (ISBN: 978-955-0481-41-5)
• Deyshappriya, N.P.R. (2021). Poverty Analysis: Theories, Concepts & Evidences. Published by the Author. (ISBN 978-624-97931-0-1)
• Deyshappriya, N.P.R. (2016). Stock Market Growth Nexuses; Empirical Evidences from Developed & Emerging Markets. LAP LAMBERT Academic Publishing, Germany. ISBN 978-3-659-89216-5.

Book Chapters

• Deyshappriya, N. P.R., & Maduwanthi, B. C. H. (2021). Impact of Global Value Chains on the Performance of SMEs in Sri Lanka: Evidence from Sri Lanka. Enhancing SME Participation in Global Value Chains. (10th Chapter). Asian Development Bank.

Journal Papers

• Deyshappriya, N.P. R., Fernando, N., & Jeewanthi, K.M.N. (2024). Financial Literacy and Its Impact on Loan Repayment Decisions: Evidence from Rural Households in Sri Lanka. Economic Issues, 29(1), 71-92.
• Deyshappriya, N.P.R. (2024). Does it matter how we measure poverty? Determinants of income and multidimensional poverty in Sri Lanka. Review of Development Economics.
• Aluvihare, H.H., Deyshappriya, N.P. R., & Fernando, A.G.N.K. (2024). Factors Influencing Cryptocurrency Adoption: A Study of University Students, Professionals, and Investors in Sri Lanka. Vavuniya Journal of Business Management, 6(1), 71-92.
• Deyshappriya, N.P.R., Rukshan, I.A.D.D.W, & Padmakanthi, N.P.D. (2023). Impact of Oil Price on Economic Growth of OECD Countries: A Dynamic Panel Data Analysis. Sustainability, 15(6), 4888.
• Wickramasinghe, N.T., Deyshappriya, N.P.R., & Gunarathne, Y.M.C. (2023). Stock Market – Economic Growth Nexuses: Evidence from Asian Stock Markets. South Asian Journal of Finance, 3(2).
• Deyshappriya, N.P.R. (2023). An Augmented Multidimensional Poverty Index for Sri Lanka: Recognizing Missing Dimensions of Multidimensional Poverty. Sri Lanka Statistical Review.
• Issifu, I., Deffor, E.W., Deyshappriya, N.P.R., Dahmouni, I., & Sumaila, U.R. (2022). Drivers of seafood consumption at different geographical scales. Journal of Sustainability Research, 4(3).
• Deyshappriya, N.P.R. & Padmakanthi, N.P.D. (2022). Modelling the Impact of COVID-19 on SMEs’ Performance: Econometrics Evidence from Sri Lanka. Sri Lanka Journal of Marketing, 8(2)
• Deyshappriya, N.P.R. & Feeny, S. (2021). Weighting the Dimensions of the Multidimensional Poverty Index: Findings from Sri Lanka. Social Indicator Research.
• Deyshappriya, N.P.R. (2021). COVID-19 and the Sri Lankan Economy. Economic & Political Weekly.
• Deyshappriya, N.P.R. (2021). Poverty Definition in Sri Lanka: Beyond Traditional Binary Classification. South Asian Research.
• Deyshappriya, N.P.R. (2021). Economic Impacts of COVID-19 Macro and Microeconomics Evidences from Sri Lanka. Social Science Research Network.
• Deyshappriya, N.P.R., Sammani, U.G.O, & Minuwanthi, R. (2021). Impact of COVID-19 on Tourism Sector of Asia & Pacific Countries Evidence from 20 Asia-Pacific Countries. International Journal of Tourism and Hospitality.
• Kumarapperuma, o., Deyshappriya, N.P.R, & Rajapakshe, M. (2021). The Impact of COVID-19 on Stock Return in Asian Stock Markets Evidences from Developed, Emerging and Frontier Asian Markets. South Asian Journal of Business Insights.
• Deyshappriya, N.P.R. & Nawarathne, A.M.D.B. (2020). Tourism and SME Development: Performance of Tourism SMES in Coastal Tourist Destinations in Southern Sri Lanka. Working Paper 1164. Asian Development Bank Institute, Tokyo, Japan.
• Deyshappriya, N.P.R. & Maduwanthi, B.C.H. (2020). Impact of Global Value Chains on Performance of Small and Medium-Sized Enterprises in Sri Lanka: Evidence from Sri Lanka. Working Paper 1153. Asian Development Bank Institute, Tokyo, Japan.
• Deyshappriya, N.P.R. & Minuwanthi, R. (2020). Determinants of Poverty: Is Age Non-Linearly Related with Poverty? Evidence from Sri Lanka. International Journal of Asian Social Science.
• Deyshappriya, N.P.R. (2020). Dynamics of Travel Behavior and Mode of Travelling during COVID-19 Outbreak. Evidence from South Asian Countries. Social Science Research Network.
• Deyshappriya, N.P.R. (2020). Economic Impacts of COVID-19: Macro and Microeconomics Evidences from Sri Lanka. Social Science Research Network.
• Deyshappriya, N.P.R. (2019). Gender Gap in SME Ownership: Are Women Left Behind? Evidence from Sri Lanka. International Journal of Economics and Business.
• Deyshappriya, N.P.R., Kumari, M.M.T.D.M. (2019). Analyzing the Households’ Behavioral Intention on E-Waste Management. Asian Journal of Empirical Research.
• Deyshappriya, N.P.R. (2019). Analyzing the Impact of Agricultural Landownership on Poverty and Food Security in Sri Lanka: A Household Level Econometric Analysis. South Asian Journal of Social Studies and Economics.
• Deyshappriya, N.P.R., Idross, A.A. & Sammani, U.G.O. (2019). Analyzing the Determinants of Tourists’ Buying Behavior in Sri Lanka: With Special Reference to Tourism Destinations in Down-South of Sri Lanka. South Asian Journal of Social Studies and Economics.
• Deyshappriya, N.P.R. (2019). Sri Lanka-China Economic Relations in Comparative Perspective:  Ample Room to Grow. China Report. Sage Publisher.
• Kumanayake M.S., Gunarathne Y.M.C., Deyshappriya N.P.R., (2019). Impact of Loan Portfolio Diversification on Performance of Commercial Banks in Sri Lanka. Journal of Management and Tourism Research. Uva Wellassa University, Sri Lanka.
• Deyshappriya, N.P.R. (2019). An Empirical Analysis on Food Insecurity in Sri Lanka. Empirical Economic Review.
• Deyshappriya, N.P.R., Abeyweera, G.H. (2019). Recognizing viable SMEs sector economically, environmentally and socially: evidence from Sri Lanka. Asian Journal of Empirical Research.
• Deyshappriya, N.P.R. (2019). An Analysis of Availability of Human and Physical Resources for Small and Medium Enterprises in Sri Lanka. International Journal of Asian Social Sciences.
• Deyshappriya, N.P.R., A.A.K.A. Damunupola and M. M. T. D. M. Kumari. (2019). Sri Lanka-China Tourism Relations: An Analysis of Recent Trends in Chinese Tourist Arrivals to Sri Lanka. Sri Lanka Journal of Advanced Social Studies.
• Deyshappriya, N.P.R. (2018). Impact of Value Addition Tax on Poverty in Sri Lanka. Journal of Management & Tourism Research.
• Deyshappriya, N.P.R. (2018). Globalization-Poverty Nexuses: Evidences from Cross-Country Analysis. Empirical Economic Review.
• Deyshappriya, N.P.R. (2018). Recent Trends in Global Income & Multidimensional Poverty, Aquinas Journal. Aquinas College of Higher Education, Sri Lanka.
• Deyshappriya, N.P.R. (2017). The Impacts of Macroeconomic Factors on Income Inequality and Income Distribution in Asian Countries, ADBI Working Paper. Asian Development Bank Institute, Tokyo-Japan.
• Deyshappriya, N.P.R. (2016). Causality Direction of Stock Market Growth Nexuses; Application of GMM Dynamic Panel Data & Panel Granger Non-Causality Tests. The Journal of Applied Economic Research. Vol.10(4).
• Fernando, J. & Deyshappriya, N.P.R (2016). Determinants of Inflation in Sri Lanka: An Econometric Analysis based on VECM Approach. Rajarata Journal of Social Sciences. Vol. 2(1).
• Deyshappriya, N.P.R. (2015). Corruption, Peace and Economic Growth, the Evidences from Cross- Country Analysis. Journal of Social and Economic Development. Vol. 17(2).
• Deyshappriya, N.P.R. (2015). Do the Quality of Institutions, War and Macroeconomic Factors Matter for Stock Market Development? The Evidence from Sri Lanka. Journal of Economics and Development    Studies. Vol.2 (4).
• Deyshappriya, N.P.R. (2014). Stock Market Anomalies; Evidence from Colombo Stock Exchange Sri Lanka. International journal of Economics & Finance. Canadian Center of Science and Education. Vol. 6. No.3.
• Deyshappriya, N.P.R. (2014). Inflation Dynamics in Sri Lanka. Ruhuna Journal of Management. University of     Ruhuna, Sri Lanka.    Issue2.
• Deyshappriya, N.P.R. (2013). Modelling the Determinants of Private Savings in Sri Lanka. Sri Lanka Journal of Banking & Finance. Issue:1, Wayamba University of Sri Lanka
• Deyshappriya, N.P.R. (2012). Debt and fiscal sustainability in Sri Lanka. International Journal of Scientific and Research Publication, ISSN 2250-3153,Vol 2.
• Deyshappriya, N.P.R. (2011). Human Capital as a Tool of Economic Growth in Post-Conflict Scenario in Sri Lanka. JS International Journal of Economics, ISSN 2231-3761, Vol:1(2).
• Deyshappriya, N.P.R. (2011). Unemployment and its Recent Trend. Wayamba Journal of Management, Issue:2. Wayamba University of Sri Lanka
• Ranasinghe ,R. & Deyshappriya, N.P.R. (2011). Analyzing the Significance of Tourism on Sri Lanka Economy. Wayamba Journal of Management, Issue:2. Wayamba University of Sri Lanka collaborative efforts to make this environment perfect and amazing.

International Conference Proceedings

• Bandara, D.G.G.P.S., Deyshappriya, N.P.R. & Karunarathne, A.C.I.D. (2020). Determinants of Restaurant Revenue Management; RevPASH Analysis for Registered Tourist Restaurants in Colombo District. 9th International Conference on the Sri Lanka Forum of University Economists (SLFUE) 2021.
• Deyshappriya, N.P.R. & Baanagala, C.H.M. (2020). Food Insecurity in Sri Lanka: Nature and Determinants. International Symposium on Agriculture and Environment. University of Ruhuna, Sri Lanka.
• Deyshappriya, N.P.R., Abeyweera, G.H., Kulathilaka, C.J.P., Ranasinghe, J.P.R.C. (2019). Analyzing the Impact of Agricultural Landownership on Poverty and Food Security in Sri Lanka; Household Level Econometric Analysis. International Conference on Contemporary Management. University of Jaffna.
• Deyshappriya, N.P.R. (2018). Impacts of Urban Sector on Multifaceted Poverty in Sri Lanka. International Conference on Sri Lanka University Economists. Forum of University Economists. Rajarata University of Sri Lanka.
• Deyshappriya, N.P.R. & Vijendran, D. (2017). Impact of Urban Sector on Poverty and Income Inequality in Sri Lanka. Conference on Urbanization in Asia: Economic and Social Consequences. Asian Development Bank Institute, Tokyo-Japan.
• Deyshappriya, N.P.R. & Opeka, D. (2017). Analyzing the Multifaceted Poverty in Sri Lanka. 6th International Conference. Sabaragamuwa University of Sri Lanka.
• Deyshappriya, N.P.R. (2016). The Impacts of Macroeconomic Factors on Income Inequality and Income   Distribution in Asian Countries, Conference on Inclusive Growth & Structural Transformations. Asian Development Bank Institute, Tokyo-Japan.
• Deyshappriya, N.P.R. (2016). Sri Lanka-China Economic Relations in a Comparative   Context, 2nd Symposium on Maritime Silk Road and China-Sri Lanka Relations. Shanghai-China.
• Deyshappriya, N.P.R. (2014). Stock Market Development & Economic Growth; Evidences from Emerging and Developed Markets, Spring Meeting of Japan Society for International Economics. Hosei University, Tokyo, Japan.
• Deyshappriya, N.P.R. (2011). Macroeconomic Determinants of Stock Market Performance; A VAR Approach. International Conference on Information and Management University of Colombo.
• Deyshappriya, N.P.R, (2011). Can Foreign Direct Investment Influence the Economic Growth of Sri Lanka? A VAR model Approach. International Conference on Business and Management, University of Kaleniya.
• Deyshappriya, N.P.R. (2010). Total Factor Productivity as a Source of Economic Growth in Sri Lanka. International Conference on Information and Management. University of Colombo.
• Deyshappriya, N.P.R. (2010). Analyzing the Determinants of Private Savings in Sri Lanka. Annual research symposium. Eastern University of Sri Lanka
• Dharmadasa, R.A.P.I.S, Deyshappriya, N.P.R. and Withanage, N.S. (2011). Impact on Labour out- Migration on Household Income: A Study in Tea Estate Sector with Special Reference to Kandy District. Research Symposium, Uva Wellassa University
• Deyshappriya, N.P.R. (2019). Impact of Macroeconomic Factors on Income Inequality and Income Distribution in Asian Countries. Structural Transformation and Inclusive Growth: Lessons from Asia. (7th Chapter). Asian Development Bank.

• Director – Centre for Open and Distance Learning, Uva Wellassa University (From 2020 to date)
• Coordinator – Aptitude Test, Uva Wellassa University (2020)
• Academic Sub-warden, Uva Wellassa University (From 2018 to date)