Browsing by Author "Herath, H.M.S.P."

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Impact of trade liberalization on economic growth of Sri Lanka: an econometric investigation
(University of Kelaniya, 2010) Herath, H.M.S.P.
This paper examines impact of trade liberalization on economic growth of Sri Lanka. The research problem is expressed as “To what extent does trade liberalization or openness of the economy influence on economic growth of Sri Lanka?” The primary objective of the study is to investigate the causal relationships between the trade liberalization and economic growth of Sri Lanka. The study is mainly based on secondary data. In identifying the impacts of trade liberalization on growth and trade balance, data were collected on a specific time interval before and after the trade liberalization. The time period selected is from 1960 to 2007. To identify the impacts of trade liberalization, total time period is divided into two sub periods of before trade liberalization i.e. (1960 to 1976) and after trade liberalization i.e. (1977 to 20070). Since the study is based on secondary data, basically it is uses data published in annual reports of Central Bank of Sri Lanka. The variables identified in the main objective of the study are tested hypothetically, and quantitative analytical methods are applied to make accurate and reliable conclusions. Therefore, graphical presentations and regression analysis are used to assess the degree of relationships among variables concerned. Further to test the structural changes of the country, the Chow test is applied. Findings of the study confirm a significant positive relationship between trade liberalization and economic growth of Sri Lanka. The result of Chow test proves a clear change of economic growth before and after trade liberalization of the country.
The Impact of Trade Liberalization on the Employment Level in Sri Lanka
(Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2013) Herath, H.M.S.P.; Cao, Liang; Cheng, Yongbing
This paper examines the relationship between trade liberalization and employment level of Sri Lanka. Accordingly, the main objective of the study is to investigate the degree of relationship between trade liberalization and employment level of Sri Lanka. The secondary data were used to analyze the study problem during the 1990 – 2012 time period. Data published by the Department of Census and Statistics and the Central Bank of Sri Lanka were used. The behavior of major variables which are directly related to trade liberalization and employment were analyzed quantitatively. The present study has employed Ordinary Least Square method (OLS) to assess the multiple regression model. In assessing the effects of trade liberalization, empirical model mainly employed three independent variables, import penetration ratio, export intensity and weighted tariff rate, to disentangle the trade effects on employment with several control variables. Gross domestic product, capital labor ratio, foreign direct investments and real wage rate are the major control variables included in the empirical model. As the major finding of the study, it is concluded that one percent increase of export intensity increases the employment by 0.614 percent. Also, import penetration ratio has a significant negative effect on Sri Lankan’s total employment; one percent increase of import penetration ratio leads to 0.523 per cent reduction of country’s total employment. The regressor which is included to the model, weighted tariff rate, is not statistically significant. Statistically significant coefficient for capital-labor ratio indicates that one percent increase results to decrease employment by 0.437 percent.
IMPACT OF TRDE LIBERALIZATION ON ECONOMIC GROWTH OF SRI LANKA: AN ECONOMETRIC INVESTIGATION
(2010) Herath, H.M.S.P.
This paper examines impact of trade liberalization on economic growth of Sri Lanka.The research problem is expressed as ?To what extent does trade liberalization or openness of the economy influence on economic growth of Sri Lanka?? The primary objective of the study is to investigate the causal relationships between the trade liberalization and economic growth of Sri Lanka. The study is mainly based on secondary data. In identifying the impacts of trade liberalization on growth and trade balance, data were collected on a specific time interval before and after the trade liberalization. The time period selected is from 1960 to 2007. To identify the impacts of trade liberalization, total time period is divided into two sub periods of before trade liberalization i.e. (1960 to 1976) and after trade liberalization i.e. (1977 to 20070). Since the study is based on secondary data, basically it is uses data published in annual reports of Central Bank of Sri Lanka. The variables identified in the main objective of the study are tested hypothetically, and quantitative analytical methods are applied to make accurate and reliable conclusions. Therefore, graphical presentations and regression analysis are used to assess the degree of relationships among variables concerned. Further to test the structural changes of the country, the Chow test is applied. Findings of the study confirm a significant positive relationship between trade liberalization and economic growth of Sri Lanka. The result of Chow test proves a clear change of economic growth before and after trade liberalization of the country.
Impacts of trade liberalization on Economic growth and trade balance of Sri Lanka.
(2011) Herath, H.M.S.P.