Research and Publication

RESEARCH INTERESTS

Agricultural Market analysis, Applied micro and macroeconomics, International Trade,  Regional Economics, Resource and Environmental Economics 

RESEARCH PUBLICATIONS

• Sooriyakumar Krishnapillai, Linoja Sajanthan and Sivashankar Sivakumar (2023), “Households’ Willingness to Pay for Sustainable Sanitation and Wastewater Management in Jaffna Municipal Area, Sri Lanka”, Journal of Environmental Studies and Science”,  https://doi.org/10.1007/s13412-023-00827-8

• Sooriyakumar Krishnapillai, Sarujan Sathiyamoorthy and Sivashankar Sivakumar (2022), “ Fisherman’s Willingness to Pay for Sustainable Lagoon Ecosystem Management: A Locality Study in Jaffna Lagoon of Sri Lanka”, Journal of Environmental Assessment Policy and Management, https://doi.org/10.1142/S1464333222500089

• Sooriyakumar Krishnapillai, (2021), “Impact of Vocational Education and Training on Employment: An Empirical Study in the Northern Province of Sri Lanka”, Social Sciences Education Research Review, 8 (2), 92-107 

• Rajan Thavaseelan , Sooriyakumar Krishnapillai, Selvarathnam Santhirasegaram, (2021),  Economic Impact of Leasing on Lessees in Jaffna District of Sri Lanka, International Journal of Economics and Financial Issues, 11(1), 109-113, DOI: https://doi.org/10.32479/ijefi.10885 

• S Krishnapillai, S Perinpanathan, S Sivakumar, (2020), “Household's willingness to pay for quality of drinking water in Jaffna area of Sri Lanka”, Journal of Water Supply: Research and Technology-Aqua,

• S Krishnapillai, S Sathiyamoorthy, A Sireeranhan (2020), “Impact of Milk Powder Imports on Local Milk Industry and Consumers’ Welfare in Sri Lanka”, International Journal of Economics and Financial Issues 10 (5), 165-170

• S. Krishnapillai, H. Kinnucan, (2020),  “Impact of Auto Industry and Its Spatial Spillover Effect on Alabama's Economic Growth and Development”, Regional Science Inquiry, Vol. XII, (1), 191-201

• Sooriyakumar Krishnapillai, Sivakumar Sivashankar, Anushiya Sireeranhan (2019), “ Farmers’ Willingness To Pay For The Ecosystem Services of Organic Farming: A Locality Study in Valikamam Area of Sri Lanka”, Applied Ecology and Environmental Research” , 17- 6, 13803-13815. 

• Sooriyakumar Krishnapillai, Vairavipillai Pasupathy Sivanathan, Anushiya Sireeranhan, “ Relative Importance of Monetary Transmission Mechanism in Sri Lanka: An Empirical Investigation”, Economics Bulletin, 36 (1), 560-568, 2016 

• Sooriyakumar.K, Sivanathan.V.P and Kandeepan.V, Testing the Conditional and Unconditional CAPM for Sri Lankan Stock Market, 2015  

• Sooriyakumar Krishnapillai, John Leonasrd and Henry Kinnucan (2014), “Employment and Population Growth in Florida’s Counties”, IUP Journal of Applied Economics, 1-14 

• Sooriyakumar Krishnapillai, (2012) “Impact of NAFTA on the Preference for Meat Consumption in USA: An Inverse Demand System Approach,” International Journal of Economics and Financial Issues, 2-1, 79-84. 

• Sooriyakumar Krishnapillai and Henry Thompson (2012), “Cross Section Translog Production Function and Elasticity of Substitution in U.S. Manufacturing Sector”, International Journal of Energy Economics and Policy, 2-2, 50-54. 

• Sooriyakumar Krishnapillai and Henry Kinnucan (2012), “Impact of Automobile Production on Non-Farm Proprietor densities in Alabama”,  Journal of economic development , 37-3,

• Sooriyakumar Krishnapillai and Henry Kinnucan (2012), “Effects of Automobile Production and Local Government Expenditure on Poverty in Alabama”, Economics Bulletin, 32-3, 2136-2145.

• Sooriyakumar Krishnapillai and Henry Thompson (2012), “Pass Through Effect of Exchange Rate and Monetary Policy in Sri Lanka,” International Journal of Applied Economics and Finance, 6-1, 29-36. 

• Sooriyakumar Krishnapillai and Henry Thompson (2011), “Exchange Rates, Free Trade Agreement and Bilateral Trade Balances of Sri Lanka,” Indian Journal of Economics and Business 10-2, 163-171. 

Conferences

• Invited Lecture on the topic “Farmers willingness to pay for the ecosystem services of organic farming” in NABS DST Purse II Sponsored International e-Conference on Economic Valuation of Ecosystem Services (EVES 2021) organised by the Department of Agricultural Economics, Faculty of Agriculture, Annamalai Vniversity on 17th September 2021.

• Villager’s Willingness to Pay for Sustainable Ecosystem Management of Lagoon: a locality study in Thondamanaru Lagoon in Sri Lanka, 18th World Lake Conference, Guanajuato , Mexico, November 9-11, 2021.

• Consumer’s Willingness to Pay for the Attributes of Drinking Water from Common Tap in Jaffna District, International Water Association (IWA) Water and Development Congress and Exhibition, Colombo. Sri Lanka

• Farmer’s Willingness to Pay for the Attributes of Sprinkler Irrigation System for Red Onion Cultivation in Jaffna District, International Water Association (IWA) Water and Development Congress and Exhibition, Colombo, Sri Lanka

• Fisherman’s Willingness to Pay for Sustainable Ecosystem Management of Jaffna Lagoon (17th World Lake Conference, Tsukuba, Japan, October 2018.

• Employment and Population Growth in Florida’s Counties (Pennsylvania Economic Association 2013 Annual Conference, June 2013)

• Effects of Automobile Production and Local Government Expenditure on Poverty in Alabama (Conference of Southwestern Society of Economist 2011, Houston, Texas, march 2011)

• Regulating Non Point Source Pollution from Agriculture (Workshop on Environmental Management in North – East of Sri Lanka, 2003)

Books

• Pathiraja, E., Wijetunga, C.S., Krishnapillai, S. (2022). Measuring Competitiveness of Agricultural Markets. In: Weerahewa, J., Jacque, A. (eds) Agricultural Policy Analysis. Springer, Singapore. https://doi.org/10.1007/978-981-16-3284-6_6 

Postgraduate Supervision 

Supervisor

• Rajan Thavaseelan (PhD in Economics, Faculty of Graduate Studies, University of Jaffna, Sri Lanka)

Co-Supervisor

• Sivakumar Sivashankar (PhD in Agribusiness Management, In Progress, Lincoln University, New Zealand)

• Senthilselvan (MSc in Agricultural Economics, PGIA, University of Peradeniya, Sri Lanka)

• Kirushanthy Vallipuram (MSc in Natural Resource Management, PGIA, University of Peradeniya, Sri Lanka)

Undergraduate Supervision 

• Supervised more than 50 undergraduate students on their final year research projects on economics from 2002 to 2023 

Proceedings

• A Test for Relative Effectiveness of Fiscal Policy and Monetary Policy in Sri Lanka, Proceedings of Jaffna Science Association, 1999

• Effects of terms of trade on  economic development in Sri Lanka,  Proceedings of Jaffna Science Association, 1999

• Food grain prices and economic growth in Sri Lanka, Proceedings of Jaffna Science Association, 1999

• AIDS Model for Demand for cheese in Norway, Proceedings of Jaffna Science Association, 2003

• Cyclical effect of lagged prices on onion production in Sri Lanka, Proceedings of Jaffna Science Association, 2003

• AIDS model for Demand for major imported agricultural commodities in Sri Lanka, Research session of Graduate studies, University of Jaffna, 2003

• Trade Liberalization and Economic Growth in Sri Lanka, Proceedings of Jaffna Science Association, 2004

• Nature of Labor supply function in Agricultural Sector of Kilinochchi District, Proceedings of Jaffna Science Association 2005

• Determinants of Female Children’ time Allocation in Home Activities: Locality study in Kilinochchi district,  Proceedings of Jaffna Science Association 2005

• Factors Influencing Farmers’ Adoption of Leek cultivation in Jaffna district, Proceedings of Jaffna Science Association 2005

• Nature of Paddy production and Cost function in Mannar district, Proceedings of Jaffna Science Association 2005

• Consumer Willingness to pay for Low Pesticide fresh produce in Jaffna district, Proceedings of Jaffna Science Association 2005

• Technical Efficiency in Potato production in Jaffna, Proceedings of Jaffna Science Association 2005

• Participation of Farm Owners in Farm and Off-Farm Work, Proceedings of Jaffna Science Association 2005 

• Health care demand behavior of household in Jaffna district, Proceedings of Jaffna Science Association 2006 

• Determinants of fuel choice for cooking in the household of Jaffna district,  Proceedings of Jaffna Science Association 2006 

• Modeling the Long Run Determinants of Private Investment in Sri Lanka, Proceedings of Jaffna Science Association 2008

• Real Exchange Rate Response to Capital Inflows: A Dynamic Analysis For Sri  Lanka, Proceedings of Jaffna Science Association 2008

• Determinants Of Income Generating Activities Of Rural Households, Proceedings of Jaffna Science Association 2008

• Technical Efficiency of Onion production in Jaffna District, Proceedings of Jaffna Science Association 2008

• Impact of Milk Powder Imports on the Price of Fresh Milk and Local Milk Power and Consumer Welfare in Sri Lanka, Ninth Annual Research Forum, Sri Lanka Agricultural Economics Association, 2015

• Inter Linkages among Agriculture, Manufacturing and Service Sectors: Empirical Evidence from Sri Lanka's Provincial Economies, Conference Proceedings, International Conference on Dry zone Agriculture, 2015

• Influence of Entrepreneurial Characteristics on the Performance of Small and Medium Food Enterprises in Valikamam area of the Jaffna District, Proceedings of Jaffna Science Association, 2015

• Relative Importance of Monetary Transmission Mechanism in Sri Lanka: An Empirical Investigation, Proceedings of Jaffna Science Association, 2015

• Impact of Different Fertilizer Subsidy on Paddy Production and Urea Application in Kilinochchi District, Twelfth Annual Research Forum of Sri Lanka Agricultural Economics Association 2019, 

• Impact of Incomplete Milking on Milk Production in Kilinochchi District, 4th International Conference on Dryzone Agriculture, University of Jaffna, (2018)

• Impact of Rainfall on Coconut Production in Sri Lanka, , 4th International Conference on Dryzone Agriculture, University of Jaffna, (2018)

• Factors influencing Pricing of Tea at Colombo Auction, 3rd  International Conference on Dryzone Agriculture, University of Jaffna, (2017)

• Fertilizer Usage and Brinjal Cultivation in Thenmarachchi Area of the Jaffna District, Sri Lanka, 3rd  International Conference on Dryzone Agriculture, University of Jaffna, (2017),

• An Inverse Demand System Model of Rice, Wheat and Sugar in Sri Lanka, 3rd  International Conference on Dryzone Agriculture, University of Jaffna, (2017)

• The Effect of Firm Specific and Macro Economic Factors on Capital Structure of Food and Beverage Industry Listed in Colombo Stock Exchange,  Tenth Annual Research Forum of Sri Lanka Agricultural Economics Association, 

• Good Governance and Foreign Direct Investment in Sri Lanka, 3rd  International Conference on Dryzone Agriculture, University of Jaffna, ( 2016)

• Inter Linkages among Agriculture, Manufacturing and Service Sectors: Empirical Evidence From Sri Lanka’s Provincial Economies, 1st  International Conference on Dry zone Agriculture, University of Jaffna, (2015)

Research Assistant

•  Graduate Research Assistant, Dept. of Agricultural Economics and Rural Sociology, Auburn University, AL, USA, Aug 2007- Dec 2011 

REFEREE

• Journal of Agricultural Science and Technology (Indexed in Scopus)

• International Journal of Business and Emerging Markets (Indexed in Scopus)

• Ocean and Coastal Management (Indexed in Scopus)

• AQUA - Water Infrastructure, Ecosystems and Society (Indexed in Scopus)

• Economics Bulletin (Indexed in Scopus)

• International Review of Applied Economics (Indexed in Scopus)

• Journal of Economic Development (Indexed in Scopus)

• Sri Lanka Statistical Review (Department of Census and Statistics, Sri Lanka)

• International Journal of Economics and Finance

• Asian Journal of Economic Modeling

• International Journal of Food and Agricultural Economics  

Consultancy

• Worked as Consultant for North East Integrated Agricultural Project (NEIAP) project, Sri Lanka, funded by World Bank, 2003

•  Worked in a team for the Need Based Agriculture Impact Assessment report for Post-Tsunami Assessment Recovery of Agriculture and Livestock Sectors In Sri Lanka, 2005, Green Movement of Sri Lanka