SRI LANKAN JOURNAL OF AGRICULTURAL ECONOMICS Volume 9 Number 1. 2007 General Equilibrium Impacts of Technological Change under Different Market Structures: A Comparison of Supply Managed and Other Primary Agricultural Markets in Canada Author - Pahan Prasada Revitalizing Small-Scale Agriculture: Rental Policies of Alienated State Lands of Sri Lanka Author - D Marawila Analysis of Public Choice on Environmental Health Management: The Case of Dengue Fever Control in Kandy District Authors - K.S.D. Siriwardena and L.H.P. Gunaratne Household Energy Consumption Patterns in Sri Lanka Authors - K. Rajmohan and J. Weerahewa