Energy economics, economic policy instruments, energy demand modelling, energy taxes, tradable quotas and demand response, macro-economic modelling and the connection of macroeconomic models and environmental models, energy planning models, input-output analysis, renewables and investment in power markets, intermittent wind and PV generation and interaction with power markets, electricity market structure and support instruments for renewable electricity, employment effects of renewable energy investments, externalities and the energy sector, energy demand and renewable energy technologies in developing countries, energy subsidy restructuring, policy scenarios, environment and development, technological progress and technology transfer, climate policy, environment and trade, environmental policy and income distribution, arctic environment, green growth economies