Manoj Thibbotuwawa is a Research Fellow at the Institute of Policy Studies of Sri Lanka (IPS) with research interests in agriculture, agribusiness value chains, food security, climate change and environmental and natural resource economics. He has more than 19 years of research experience at IPS.

He has collaborated and served as a consultant to several international organisations such as the World Food Programme (WFP), the Food and Agriculture Organization (FAO), the International Fund for Agricultural Development (IFAD), the International Food Policy Research Organization (IFPRI), the Australian Centre for International Agriculture Research (ACIAR), the Japan International Cooperation Agency (JICA), the United States Agency for International Development (USAID), the European Union (EU), and the World Bank.

Manoj holds a BSc (Agriculture) with Honours from the University of Peradeniya, an MSc (Agricultural Economics) from the Post-Graduate Institute of Agriculture at the University of Peradeniya, and a PhD from the University of Western Australia. He has also obtained a Post-Graduate Diploma in Modelling and Accounting for Sustainable Development from the International Institute of Social Studies (ISS) in The Hague.

Manoj is a recipient of the prestigious Nuffic Fellowship from the Government of the Netherlands and the Endeavour Award from the Government of Australia.

Advisory work

Sectoral Committee on Agriculture
Member of the Committee (2023-)
Sri Lanka Standard Institute (SLSI)

Sub Committee on “Policy and Regulatory Interventions” under the National Food Security Programme
Member of the Committee (2023-)
Presidential Secretariat/ National Science Foundation (NSF)

Editorial Committee of the Overarching Agricultural Policy of Sri Lanka (OAP)
Member of the Committee (2019)
National Planning Department of Sri Lanka

National Committee on Socio-Economics and Policy Analysis
Member of the Committee (2016-2020)
Council for Agricultural Research Policy (CARP), Ministry of Agriculture
Technical Evaluation Committee – Economic Research
Member of the Committee (2016)
Tea Research Institute of Sri Lanka

 

Technical Evaluation Committee – Economic Research
Member of the Committee (2016- )
Tea Research Institute of Sri Lanka

Working Group on Food Value Chain Development
Member of the Committee (2015- )
Ministry of Primary Industries of Sri Lanka

National Strategic Review of Food Security and Nutrition: Towards Zero Hunger for Sri Lanka
Member of the Research Committee (2016-2017)
Presidents’ Office of Sri Lanka

Research

Manoj Thibbotuwawa, Nimesha Dissanayaka, Dilani Hirimuthugodage (2023). Transforming Tobacco Farming through Economically Sustainable Alternatives, Agricultural Policy Series, Colombo: Institute of Policy Studies of Sri Lanka.

Bilesha Weeraratne, Manoj Thibbotuwawa, Erandathie Pathiraja, Harini Weerasekera, Nimesha Dissanayake, Ruwan Samaraweera, Thilini Bandara, Thisuri Ekanayake and Awhanee Mendis (2023), Assessment Report: Linkages between Climate Change and Migration in Sri Lanka, Colombo: International Organization for Migration (IOM).

S.S. Niwarthana, N. Dissanayake, M. Thibbotuwawa and H. S. R. Rosairo (2023). The Impact of Chemical Fertilizer Ban on the Paddy Sector: Propensity Score Matching and Value Chain Analysis, PRCI Research Paper #21, US: Michigan State University.

Thibbotuwawa, M., Dissanayaka, N. and Niwarthana, S., 2023. The Ukraine War and its Food Security Implications in Sri Lanka, Policy Note 24, Washington DC: International Food Policy Research Institute.

Dissanayaka, N., and Thibbotuwawa, M., 2021. Sri Lanka’s Agri-Food Trade: Structure, Opportunities, Challenges & Impacts of COVID-19, PRCI Research Paper 6, US: Michigan State University.

Bilesha Weeraratne, Athula Senaratne, Manoj Thibbotuwawa, Nisha Arunathilake, Jayasundara Chandrasiri and Harini Weerasekera (2021). Policy Research in the Area of Agriculture Labour Markets, Analytical and Policy Advisory Support, Research Report – No 09, Agriculture Sector Modernization Project (ASMP), The Ministry of Agriculture.

Manoj Thibbotuwawa, Athula Senaratne, Nimesha Dissanayaka, Ruwan Samaraweera, Puspa Sharma, Paras Kharel, Dikshya Singh and Avinash Gupta (2021), “The future of food security in an age of pandemics: Building a modern and resilient food system in Sri Lanka and Nepal”, Occasional Paper Series No: 73, Southern Voice Secretariat.

Trade Flow Analysis: Impact of the COVID-19 Shock on Agriculture Value-chains of Sri Lanka

This research is already in Dr MT’s profile as “Assessing COVID-19 Impact on Agri-Food Trade and Selected Value Chains: Policy Research Capacity and Influence (PRCI) (2021), International Food Policy Research Institute (IFPRI)” but without cross links. “Trade Flow Analysis: Impact of the COVID-19 Shock on Agriculture Value-chains of Sri Lanka” would be enough for the new cross-link.

The Future of Food Security: Building a Modern and Resilient Food System in an Age of Pandemics

This research is already in Dr MT’s profile as “The Future of Food Security: Building a Modern and Resilient Food System in an Age of Pandemics (2020-2021), Southern Voice Secretariat” but without cross-links. “The Future of Food Security: Building a Modern and Resilient Food System in an Age of Pandemics” would be enough for the new cross-link.

Transforming Tobacco Farming in Sri Lanka: A Value Chain Analysis

This research is already in Dr MT’s profile as “Transforming Tobacco Farming through Economically Sustainable Alternatives: Tobacco Value Chain Analysis (2020-2021), KIVU Internationa.” Replace this with “Transforming Tobacco Farming in Sri Lanka: A Value Chain Analysis”.

COVID-19 household Impact Study (2020-2021), University of Malaya/ East West University, Bangladesh.

Agricultural Value Chain Linkages to Improved Food Systems in Sri Lanka, Dialogue series (2020-2021), International Fund for Agricultural Development (IFAD)/World Food programme (WFP) and Food and Agriculture Organization (FAO).

Commercial Insurance for Farmers for Human Wildlife Conflict by Elephants

This research is already in Dr MT’s profile as “Livelihoods Insurance from Elephants (LIFE) – Commercial insurance for small farmers affected by human-elephant in Sri Lanka and Kenya – Funded by the Darwin Initiative of the Government of UK (in collaboration with the International Institute of Environment and Development (IIED), UK and AB Consultants, Kenya) 2019-2022.” Replace it with Commercial Insurance for Farmers for Human Wildlife Conflict by Elephants

Agriculture, Forestry and Land Use Sector Analysis, Climate Mitigation Action Support Project (CMASP) (2020-2021), Ministry of Environment/World Bank.

Revising the Overarching Agricultural Policy in Sri Lanka

This research is already in Dr MT’s profile as “Overarching Agriculture Policy of Sri Lanka, (2020-2021), National Planning Department/ European Union (EU) TAMAP Project.”, but without cross links. The updated title for the cross link should be “Revising the Overarching Agricultural Policy in Sri Lanka”.

Progress in Tobacco Harm Reduction in Southeast Asia: A Scoping Study and Situation Analysis (2020), East West University, Bangladesh.

Mapping Creative Industries in Sri Lanka (2019-2020), British Council, Colombo, Sri Lanka.

Thibbotuwawa, M., Jayawardena, P., Arunatilake, N. and Gunasekera, N. (2019) “Living Wage Estimation for the Plantation Sector in Sri Lanka“, Global Living Wage Coalition, ISEAL Alliance, London, UK.

Thibbotuwawa, M., Jayawardena, P., Arunatilake, N. and Gunasekera, N. (2019), “Living Wage Estimation for the Plantation Sector in Sri Lanka”, Global Living Wage Coalition, London: ISEAL Alliance.

Analysing Profitability of Rice Sector in Sri Lanka: Policy Analysis Matrix (PAM)

This research is already in Dr MT’s profile as “Analysing the profitability and competitiveness of domestic agriculture in Sri Lanka (2019), World Bank, Colombo.” without cross links. Therefore, update this as “Analysing Profitability of Rice Sector in Sri Lanka: Policy Analysis Matrix (PAM) with crosslink.

Inclusive and sustainable agribusiness development through public private producer partnerships (2018), International Fund for Agricultural Development (IFAD).

Evaluation of Public-Private-Producer-Partnerships (4P) in Agribusiness Sector in Sri Lanka (2018), IFAD Country Programme Evaluation.

Voluntary National Review on the Status of implementing the Sustainable Development Goals, Ministry of Sustainable Development, Wildlife and Regional Development, June 2018.

Wijayasiri, J., Thibbotuwawa, M., and Hirimuthugodage, D. (2017) “Analysis of Cinnamon, Pepper and Cardamom Value Chains in Sri Lanka“, Japan International Cooperation Agency (JICA), Colombo

Wickramaarachchi, W.A.R.T. and Manoj Thibbotuwawa. (Eds). 2017. Export Promotion and Global Market Access for South Asian Agricultural and Food Products. SAARC Agriculture Centre, Dhaka, Bangladesh, 232 pp

Thibbotuwawa, R.M.M.I., Samaratunga, P., Hirimuthugodage, D., Bandara, S., Hewage, S., Anura Kumara, P., Jayatissa, R., Nanayakkara, L., Barton, B., Singhkumarwong, A., Nihmath, M. and Jayasinghe, S. (2017). National Strategic Review of Food Security and Nutrition towards Zero Hunger, Colombo: World Food programme (WFP).

National Strategic Review of Food Security and Nutrition towards Zero Hunger, United Nations World Food Programme (WFP), February 2017.

Measuring the impact of new food processing facilities on the farmer community in the Northern Region (2018), Avishkaar, India.

Emerging Food Safety and Quality Risks in South Asia (2017), Ministry of Primary Industries (MPI)/International Food Policy Research Institute (IFPRI).

Thibbotuwawa, M., Samaratunga, P., Hirimuthugodage, D., Jayatissa, R., Bandara, S., Hewage, S., Kumara, A., Deepawansa, D. and De Silva, G., Barton, B., Nanayakkara, N., Singhkumarwong, A., Nihmath, M. and Jayasinghe, S.  (2017), National Strategic Review of Food Security and Nutrition towards Zero Hunger, An Independent Review, World Food Programme (WFP), Colombo, Sri Lanka.

Thibbotuwawa, M., Hirimuthugodage, D. and Bandara, S. (2016), Demand for Micro-Insurance in Sri Lanka, report prepared for International Financial Corporation (IFC) project on “Micro Insurance Support Diagnostics”.

Thibbotuwawa, M., Jayawardena, P., Arunatilake, N. and Gunasekera, N. (2016), Living Wage Estimation for the Plantation Sector in Sri Lanka, report prepared for Global Living Wage Coalition (GLWC), ISEAL Alliance, London, UK

Research study on Value Chain Analysis of Cinnamon, Pepper and Cardamom in Sri Lanka funded by JICA (2017)

Research study of Supply and Price Behaviour Relating to Selected Crops and Livestock Products in Sri Lanka funded by National Science Foundation (NSF) Sri Lanka (2016-2017)

Thibbotuwawa, M. and Mugera, A. (2014). Fertilizer use efficiency of rice farms in Sri Lanka: A slack based DEA analysis. In Emrouznejad, A., R. Banker R., S. M. Doraisamy and B. Arabi (Eds.), Recent Developments in Data Envelopment Analysis and its Applications: Proceedings of the 12th International Conference of DEA, June 2014. Kuala Lumpur, Malaysia.

Thibbotuwawa, M. and Mugera, A. (2013). A Comparative Analysis of Productive Efficiency and Technology Gap in Irrigated and Rain-fed Rice Farming Systems in Sri Lanka: Non Parametric Approach. Paper presented at the 57th Australian Agricultural and Resource Economics Society (AARES)  Annual Conference, Sydney.

Thibbotuwawa, M., Printhika, B.L.D.S., Jayasinghe Mudalige, U.K., Udugama, J.M.M., (2012). Impact of microfinance on household welfare: Assessing the case of Samurdhi program in Sri Lanka, Paper presented at the 56th AARES Conference, Fremantle, Australia, 8-11 February 2012.

Thibbotuwawa, M. and Mugera, A. (2012). A Non Parametric Analysis of Rice Production Efficiency in Sri Lanka. Paper presented at the 56th AARES Conference, Fremantle.

Thibbotuwawa, R.M.M.I. (2011), Review of Muhammad Shoaib Butt and Jayatilleke Bandara, ‘Trade Liberalization and Regional Disparity in Pakistan’, South Asian Economic Journal, Volume 12 (1), March 2011

Thibbotuwawa, M. and Marawila, D. (2010), “Assesing Urban Recreation in Sri Lanka: Case of Diyawanna Oya”, Working Paper, South Asia Network for Development and Environmental Economics (SANDEE), Kathmandu, Nepal 

Thibbotuwawa, M. (2009), Review of Butt, M.S. and Bandara, J., ‘Trade Liberalization and Regional Disparity in Pakistan’, South Asian Economic Journal, 12 (1), March 2011

Samaratunga, P. and Thibbotuwawa, M. (2009), Food Security Situation in Sri Lanka, Report prepared for Indian Council for Research on International Economic Relations (ICRIER), New Delhi, India. 

Samaratunga, P. and Thibbotuwawa, M. (2009), Impact of Post Doha Agricultural Liberalization on Efficiency and Comparative Advantage of Rice and Potato Sectors in Sri Lanka: A Policy Analysis Matrix Approach, Report prepared for South Asia Network of Economic Research Institutes (SANEI), Pakistan. 

Arunatilake N., Gunawardena, A., Marawila, D., Samaratunga, P., Senaratne, A., and Thibbotuwawa, M. (2008), ‘Analysis of the Fisheries Sector in Sri Lanka’, Guided case studies in value chain development for conflict-affected environments, Micro Report No: 100, United States Agency for International Development

Thibbotuwawa M. (2007), Review of Sarvananthan, M., ‘Post-1977 Period Economic Reforms in Sri Lanka’, South Asian Economic Journal, 8 (2), July-December 2007

Samaratunga, P., Karunagoda, K. and Thibbotuwawa, M. (2007), ‘Mapping and Analysis of the South Asian Agricultural Trade Liberalization Efforts’ in ESCAP (eds), Agricultural Trade: Planting the Seeds of Regional Liberalization in Asia (pp. 33-74), ARTNeT Studies in Trade and Investment 60, UNESCAP, Bangkok, Thailand

Samaratunga, P. and Thibbotuwawa, M. (2007), Innovative Practices in Integrating Small Farmers into Dynamic Supply Chains: A Case Study of MA’S Tropical Food Company, Report prepared under the Regoverning Markets Project of International Institute for Environment and Development (IIED), London, UK.

Samaratunga, P., Karunagoda, K. and Thibbotuwawa, M. (2006) ‘Regional Agricultural Trade Liberalization Efforts in South Asia: Retrospect and Prospect’, ARTNeT Policy Brief, No. 10, Asia Pacific Research and Training Network, UNESCAP, Bangkok, Thailand

Samaratunga, P., Karunagoda, K. and Thibbotuwawa, M. (2006), ‘Mapping and Analysis of South Asian Agricultural trade Liberalization Efforts’, ARTNeT Working Paper Series, No. 26, UNESCAP, Bangkok, Thailand

Presentations

Roundtable on ‘Regional and Sectoral Value Chains in South Asia’
Global Conclave 2024: Advancing Human Development in Global South
Organised by the Institute for Human Development (IHD), Research and Information System for Developing Countries (RIS) and National Institution for Transforming India (NITI Aayog)
11-13 January 2024
New Delhi, India

Policy-Research Interface Mediation and Enabling (PRIME) Workshop: Climate Adaptation and Inclusive Development in the Agricultural Sector for South Asia

Organised by Australian Centre for International Agricultural Research (ACIAR, Australia)

June 2023

Kathmandu Marriott Hotel, Kathmandu, Nepal

Panel discussion. ‘Policy Research Capacity and Influence (PRCI) Global Gathering

Organised by International Food Policy Research Institute (IFPRI)

26 April 2023

Accra, Ghana (University of Ghana and ISSER)

Keynote address on ‘Sustainable Food Systems for Economic Resilience

9th Annual Undergraduate Research Symposium (UReS – 2022)

Organised by the Faculty of Livestock, Fisheries and Nutrition, Wayamba University of Sri Lanka

16 February 2023

Presentation on ‘Rice Value Chain Analysis: Lessons from the Chemical Fertilizer Ban’

16th Annual Research Forum of the Sri Lanka Agricultural Economics Association’s (SAEA) titled ‘Enhancing Agricultural Value Chains in South Asia’

20 January 2023

Dr. Saman Kelegama Auditaurium, IPS

Highlights of the National Environment Policy (NEP) of Sri Lanka.

Launch of the NEP and National Environment Action Plan (NEAP) for 2022 – 2030

19 December 2022

Ministry of Environment

Panel discussion.: Session II: Policy Action for Shared Sustainable Growth: A National Policy Framework

‘Driving Policy Action from Crisis to Recovery Seminar
25 October 2022

IPS

Panellist at the inaugural program of the Climate Change Initiative

Organised by the Institute for South Asia Studies and the South Asia Centre for Labour Mobility and Migrants (SALAM)

Virtual webinar on Climate Resilience in the Global South with academics and activists from Bangladesh, India, Nepal, Pakistan, and Sri Lanka.

13 October 2022

Discussion on ‘Food security challenges in Sri Lanka’ in the session ‘Institutional Ecosystem for Food Systems and Value Realization’

Thirteenth South Asia Economic Summit

Organised by Research and Information Systems (RIS), New Delhi, India

20 April 2022

Panel discussion on Impending Food Crisis in Sri Lanka: causes, consequences and solutions

Organised by Sri Lanka Economic Association (SLEA)

2 April 2022

Panel discussion on ‘Food Security and BIMSTEC: Lessons from Sri Lanka’s Smart Farming

Organised by The Observer Research Foundation, India

29 March 2022

Panelist at the 3rd Southern Voice Research Conference on ‘Transforming Food Systems through Evidence Informed Policy Responses

November 2021

Presentation on Building Food System Resilience during Pandemic, Session on Building Local Resilient Food Systems at the Sustainable Development Conference 2021

Organised by the Sustainable Development Policy Institute (SDPI), Pakistan in partnership WFP and SAWTEE, Nepal

7 December 2021

Presentation of the Overarching Agricultural Policy (OAP) to the GOSL Ministers

Workshop organised by the Technical Assistance to Modernisation of Agriculture Programme (TAMAP) of the European Union (EU)

27 October 2021

Water’s Edge, Battaramulla

Panelist at the Virtual dialogue ‘Human-Wildlife Conflict – Consequences and Solution

Organised by the Center for Investigative Reporting

16 October 2021

Panellist at the webinar on ‘Equity in Recovery: Addressing Sri Lanka’s Social Protection and Food Security Needs’

Organised by IPS

14 October 2021

Panellist at “Transforming food systems: Youth Innovation for Human and Planetary Health

Organised by Wisdom Plus in celebration of UN International Youth Day 2021

12 August 2021

Gender in Agriculture and Food Systems in Sri Lanka
Global Challenge Research Fund Forum
Organised by United Kingdom Research and Innovation (UKRI)
23 February 2020
Dhaka, Bangladesh

Use of 4IR in agriculture
Workshop on Industry 4.0 and Sri Lanka
Organised by Faculty of Applied Sciences, University of Sri Jayewardenepura
20 February 2020
Science Auditorium
Sri Jayewardenepura

Panellist at the Stakeholder Workshop on Urban Food Systems in Asia

Organised by the ICLEI – South Asia, in association with the Colombo Municipal Council, with the support of Food and Agriculture Organization of the United Nations (FAO) and World Bank (WB)

11 February 2020

Hotel Ramada, Colombo

Urban Food Security in Sri Lanka
Workshop on Urban Food Security
Organised by ICLEI South Asia, Colombo Municipal Council, FAO, and World Bank
11 February 2020
Ramada by Wyndham
Colombo

Application of 4IR Technologies in Agriculture
Forum on Future of AI in the field of Agricultural and Food Industry
Organised by Ceylon Chamber of Commerce, Hatch, and SLASSCOM
24 January 2020
The Hatch
Colombo

International Conference on ‘Evolving Agrifood Systems in Asia: Achieving Food and Nutrition Security by 2030’, organised by the Regional Strategic Analysis and Knowledge Support System for Asia (ReSAKSS-Asia)

Organised by IFPRI and the Myanmar Institute for Integrated Development (MIID)

30 October 2019

Yangon, Myanmar

Country Paper on Building Climate Resilience in Sri Lankan Agriculture
The Asian Productivity Organization (APO) Workshop
07 May 2019
Dhaka, Bangladesh

Bamboo for Sustainable Development, Climate Adaptation and Mitigation
ITI/INBAR/IPS Workshop on Bamboo Sector Road Map Development
14 March 2019
Dr. Saman Kelegama Auditorium, IPS
Colombo

Evolution of Agricultural Policies in Sri Lanka
HARTI Workshop for the undergraduates from University of Jaffna
08 December 2018
HARTI Auditorium
Colombo

Agricultural Value Chains for Economic Development
National Experience Sharing Forum
on Shaping Local Economy through Lessons Learnt
28 November 2018
The Centre for Banking Studies
Rajagiriya

Climate Change Challenges in Sri Lanka
IFAD Asia Pacific Regional Forum
on Inclusive and Sustainable Rural Transformation
18 October 2018
Hyatt Regency
Yogyakartha, Indonesia

Food Security in Sri Lanka
Annual Academic Sessions of the Nutrition Society of Sri Lanka
27 January 2018
Galadari Hotel, Colombo

Fisheries Subsidies
Dhaka Retreat and Public Dialogue Towards Eleventh Ministerial of the WTO:
Reclaiming the Development Agenda
29 November 2017
Dhaka, Bangladesh

Regional Corporation on Climate Change
10th South Asian Economic Summit
14 November 2017
Kathmandu, Nepal

Food Security Issues in Agriculture
Sri Lanka Economic Association (SLEA) Annual Sessions-2017
28 October 2017
Centre for Banking Studies
Rajagiriya

Land Use Policy Challenges in Sri Lanka
Land Health is National Health – Expert workshop
11 October 2017
Dr. Saman Kelegama Auditorium, IPS
Colombo

Living Wage for the Plantation Workers
Stakeholder validation workshop
24 August 2017
Dr. Saman Kelegama Auditorium, IPS
Colombo

Cardamom Value Chain in Sri Lanka
Dissemination Seminar on Cinnamon, Pepper and Cardamom Value Chains
20 March 2017
Dr. Saman Kelegama Auditorium, IPS
Colombo

Concepts and Methodologies of Value Chain Analysis
JICA Training Workshop for Government Officials
13 March 2017
IPS Conference Room
Colombo

National Strategic Review of Food Security and Nutrition
WFP Government Pillar Meeting
17 January 2017
Presidential Secretariat
Colombo

National Strategic Review of Food Security and Nutrition towards Zero Hunger
Multi stakeholder Group Meeting
BMICH, Colombo
January 16, 2017

Inception report of the spice value chain analysis project
Advisory Group Meeting
The Secretariat, National Planning Department, Colombo
December 15, 2016

Are the plantation workers adequately remunerated? Estimation of Living Wage for the Plantation Sector in Sri Lanka
10th Annual Research Forum of the Sri Lanka Agricultural Economics Association (SAEA)
HARTI Auditorium, Colombo, Sri Lanka
December 09, 2016

Demand Analysis of Rice and Fish Products
Lessons Sharing & Policy Consultation Workshop
Club Palm Bay Hotel, Marawila, Sri Lanka
November, 03 2016

Agricultural Transformation in Sri Lanka
Special Session on Dynamics of Transforming Agriculture in Asia, 23rd Annual Conference of the Agricultural Economics Research Association (AERA),
Mumbai, India
December 03, 2015

SAARC Seed Bank: Opportunities and Challenges
Consultation Workshop on Conservation, Use and Exchange of Crop Genetic Resources: Promoting Regional Cooperation for a Food-Secure, Climate-Resilient South Asia
Kathmandu, Nepal
August 26 – 27, 2015

Production Efficiency and Technology Gap in Irrigated and Rainfed Rice Farming Systems in Sri Lanka
57th AARES annual conference, Sydney, Australia
February 09, 2013

A Non-Parametric Analysis of Rice Production Efficiency in Sri Lanka
56th AARES annual conference, Fremantle, Australia
February 07-10, 2012

Impact of Microfinance on Household Welfare: Assessing the Case of Samurdhi Program in Sri Lanka
56th AARES annual conference, Fremantle, Australia
February 07-10, 2012

Economic Valuation of Urban Nature Based Recreation and Demand for Land: Case of Diyawanna Oya Wetland Eco-System
03rd Annual Research Forum of the Sri Lanka Agriculture Economic Association, Hector Kobbekaduwa Agrarian Research and Training Institute (HARTI), Colombo
November 02, 2009

The Recreational Use Value of Diyawanna Oya Wet Land Eco System: An Application of Travel Cost Method
17th Biannual Research and Training Workshop of SANDEE
Kathmandu, Nepal,
December 10, 2008

Economic Value & Willingness to Pay for Irrigation Water in Sri Lanka
Training course on Environmental and Natural Resource Economics, organized by UNEP and SANDEE, Bangkok, Thailand,
May 22, 2007

Policy Options for Sustainable Paddy farming: Scope for Land Consolidation in Sri Lanka
University of Peradeniya Research Sessions 2004, University of Peradeniya, Sri Lanka
November 10, 2004

Commentary
Blogs

Manoj Thibbotuwawa (2010), “Better Targeting of Subsidies: Fertilizer Subsidy”, Aug 16, 2010

Media

The Brain Drain, ‘Face the Nation’, News First/TV 1, 16 August 2023.

Discussion on Sri Lanka’s Food Crisis on Sirasa TV ‘Mawatha’ programme May 26, 2022

Building a Resilient Food System, Sunday Observer, 14 June 2020

Dietary diversity for a healthier society, Daily News (16/12/2016)