Different economic instruments have been important and often used tools for governments to improve and control the environmental performance in a country. Many different instruments exist and the application of them is often complex. The present study has been initiated to study and improve the economic instruments for environmental control in Lithuania. In the project the existing economic instruments in Lithuania and Sweden have been studied as well as an overview of economic instruments in other European countries. Economic analyses have been made of the different systems and improved systems for Lithuania have been proposed. The project has been a co-operation between Sweden and Lithuania financed by The Swedish Environmental Protection Agency (Naturvårdsverket). The project has been performed by a team consisting of representatives from both Sweden and Lithuania.