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( Mahinda Siriwardana ) 세종대학교 경제통합연구소 (구 세종대학교 국제경제연구소) 2004 Journal of Economic Integration Vol.19 No.3
The Indo-Lanka Free Trade Agreement (ILFTA) which was signed in December 1998 between India and Sri Lanka has shown a promising start to trade liberalisation among SAARC (South Asian Association for Regional Cooperation) countries. This paper provides a quantitative assessment of the likely impact of the ILFTA. We perform simulations using the Global Trade Analysis Project (GTAP) model to quantify the impact of liberlised trade between Sri Lanka and India. GTAP is a computable general equilibrium (CGE) model of the world economy. Using the model simulations, the paper also examines the implications of extending the free trade agreement to other SAARC nations. Results indicate that both Sri Lanka and India will experience some welfare gains from ILFTA. The extension of such trade agreement to all SAARC nations may create significant welfare improvements in Sri Lanka.
( Mahinda Siriwardana ) 세종대학교 경제통합연구소(구 세종대학교 국제경제연구소) 2015 Journal of Economic Integration Vol.30 No.4
This paper examines both the economic and environmental impacts of the two Free Trade Agreements that Australia has recently negotiated with Japan and South Korea using the Global Trade Analysis Project-Environmental general equilibrium model. We analyse two trade policy scenarios: first a Free trade scenario where bilateral tariffs are eliminated between Australia and Japan, and Australia and South Korea; second a Green trade scenario where the Free trade scenario is complemented by an environmental policy using an Emissions Trading Scheme. The results indicate that the two trade agreements enhance Australia’s trade at a modest expense to the environment. This paper illustrates that an Emissions Trading Scheme between Australia, Japan, and South Korea is an expensive policy to mitigate emissions arising from Free Trade Agreements.
Enhanced Thermal Performance of Absorption Chillers Fired by Multiple Dynamic Heat Sources
Saliya Jayasekara,Jayantha Siriwardana,Saman Halgamuge 한국정밀공학회 2012 International Journal of Precision Engineering and Vol. No.
The main concept of combined cooling, heating and power (CCHP) generation systems, which produce three energy commodities simultaneously, is based on using absorption chillers fired by the waste heat from the engine instead of electricity for air conditioning or for any other cooling purpose where electricity could have been used. Proper selection and design of the heat recovery system plays an important and challenging role in achieving this goal. Minimum exergy destruction in the waste heat recovery process increases the thermal performance. This paper introduces the modulating flow cascade heat recovery system (CHRS) to improve the coefficient of performance (COP) of the absorption chiller at part load engine operation. Due to this novel feature, it is possible to obtain a percentage increase of over 13% in COP at 50%engine load compared to the conventional fixed flow waste heat recovery.