"Should we be worried about the Green Paradox? Announcement Effects of the Acid Rain Program", joint with Ian Lange and Edwin van der Werf, European Economic Review, forthcoming.
"Migration, Human Capital Formation and Growth: An Empirical Investigation", joint with Emiliya Lazarova, World Development, 40(5): 938-955, 2012.
"Efficiency, productivity and environmental policy: a case study of power generation in the EU", joint with Jurate Jaraite, Energy Economics, 34(5): 1557-1568, 2012.
"Absolute Abundance and Relative Scarcity: Environmental Policy with Implementation Lags", joint with Sjak Smulders and Edwin van der Werf, Ecological Economics, 74: 104-119, 2012.
"Imperfect Environmental Policy and Polluting Emissions: the Green Paradox and Beyond'', joint with Edwin van der Werf, International Review of Environmental and Resource Economics, 6: 1-42, 2012.
"Abatement and Allocation in the Pilot Phase of the EU ETS”, joint with Barry Anderson, Environmental and Resource Economics, Volume 48, Number 1, 83-103, 2011.
"Assessing the Transaction Costs of Firms in the EU ETS: Lessons from Ireland'', joint with Jurate Jaraite and Frank Convery, Climate Policy, 10(2): 190-215, 2010.
"Shedding Light on the Light Bulb Puzzle: the Role of Attitudes and Perceptions in the Adoption of Energy Efficient Light Bulbs'', joint with Susana Ferreira and Emiliya Lazarova, Scottish Journal of Political Economy, 57(1): 48-67, 2010.
"Migration, Human Capital Accumulation and Economic Development'', joint with Piotr Stryszowski, Journal of Development Economics, 90: 306-313, 2009.
"Hicks meets Hotelling: the Direction of Technical Change in Capital-Resource Economies'', joint with Simone Valente, Environment and Development Economics, 13: 691-717, 2008.
"Carbon Leakage Revisited: Unilateral Climate Policy under Directed Technical Change'', joint with Edwin van der Werf, Environmental and Resource Economics, 39: 55-74, 2008.
"Trade Pessimists vs Technology Optimists: Induced Technical Change and Pollution Havens'', joint with Sjak Smulders, Advances in Economic Analysis and Policy, vol 4, 2005.
"Hiring Incentives and Labour Force Participation in Italy'', joint with Piero Cipollone and Anita Guelfi, Giornale degli Economisti ed Annali di Statistica, vol 63/2: 161-203, 2004.