Member of the

Committee "Environmental and Resource Economics", Committee "Economics and Ethics" of the Verein für Socialpolitik

• Problems of taxation
• Investigation of distribution problems
• Methods for assessing income distribution
• Valuation and welfare measurement of non-marketable (public/environmental) goods
• Effect/incentives and design of environmental economic instruments

• On measurability and comparability: Comment on Pauwels' 'The implicit welfare weights used when maximising aggregate surplus', Journal of Economics 61 (1995), 317-328.
• Income inequality and differences in household size, Mathematical Social Sciences 30 (1995), 37-55.
• Consumer's surplus: simple solutions to an old problem, Bulletin of Economic Research 47 (1995), 285-294.
• Naive use of environmental policy instruments and market structure, in: C. Carraro, Y. Katsoulacos, A. Xepapadeas (Eds.), Environmental Policy and Market Structure, Kluwer Academic Publishers, Dordrecht, 1996, 45-64.
• Social welfare when needs differ: An axiomatic approach, Economica 64 (1997), 233-244.
• Absolute inequality indices and equivalence differences, in: S. Zandvakili (Ed.), Taxation and Inequality, JAI Press, 1997, 131-152.
• Selecting preferences for nonmarket goods: possibilities and limitations, Public Finance 52 (1997), 299-315.
• Relative standards: a positive and normative analysis, Journal of Economics 67 (1998), 17-38.
• Evaluation of nonmarket goods: Recovering unconditional preferences, American Journal of Agricultural Economics 80 (1998), 241-254.
• Ramsey pricing and environmental regulation, Bulletin of Economic Research 50 (1998), 297-307.
• Pigouvian taxes under imperfect competition if consumption depends on emissions, together with Oskar von dem Hagen, Environmental and Resource Economics 12 (1998), 507-513.
• Dual decomposable inequality measures, Canadian Journal of Economics 32 (1999), 234-246.
• Comment on Fields: "Measuring inequality changes in an economy with income growth" or how reliable is intuition?, Journal of Development Economics 59 (1999), 527-530.
• Using equivalent income of equivalent adults to rank income distributions, Social Choice and Welfare 16 (1999), 233-258.
• Relative standards as strategic instruments in open economies, appears in: E. Petrakis, E.S. Sartzetakis, A. Xepapadeas (eds.), Environmental Regulation and Market Structure, Edward Elgar, Cheltenham, 1999, 210-232.
• Consumer's surplus: simple solutions to an old problem, Bulletin of Economic Research 47 (1995), 285-294, reprinted in: J. Creedy (ed.), Economic Welfare: Concepts and Measurement, Volume I, Edward Elgar Publishing Limited, Cheltenham 1999, 91-100.
• Comment on S. Chakravarty's chapter on 'Measuring Inequality: The Axiomatic Approach', in: J. Silber (ed.), Handbook of Income Inequality Measurement, Kluwer Academic Publishers, Dordrecht, 1999, 183-185.
• Combined income taxes and tax-benefit systems, together with Peter J. Lambert, Economic Record 75 (1999), 397-404.
• Consistent income tax structures when households are heterogeneous, co-authored with Patrick Moyes, Journal of Economic Theory 90 (2000),116-150.
• Einige Überlegungen zur Familienbesteuerung, W. Gaertner (ed.), Wirtschaftsethische Perspektiven V, Schriften des Vereins für Socialpolitik 228/V, Duncker & Humblot, Berlin, 2000, 115-140.
• Sequential generalised Lorenz dominance and transfer principles, Bulletin of Economic Research 52 (2000), 113-122.
• An axiomatic characterisation of Yitzhaki's index of individual deprivation, jointly with Patrick Moyes, Economics Letters 68 (2000), 263-270.
• Equivalising incomes: A normative approach, International Tax and Public Finance 7 (2000), 619-640.
• Altruism, redistribution and social insurance, together with Oskar von dem Hagen, Review of Economic Design 5 (2000), 365-385.
• A general approach to the evaluation of environmental goods, Resource and Energy Economics 23 (2001), 373-388.
• Welfare, inequality and the transformation of incomes: The case of weighted income distributions, co-authored with Patrick Moyes, to appear in: P. Moyes, C. Seidl and A.F. Shorrocks (Eds.), Inequalities: Theory, Measurement and Applications, Journal of Economics, Supplement # 9 (2002), 9-50.
• A simple axiomatisation of the Foster, Greer, and Thorbecke poverty orderings, co-authored with Patrick Moyes, Journal of Public Economic Theory 4 (2002), 455-473.
• Exogenous preferences and endogenous tastes or the cause of tastes as an object of preference, co-authored with Oskar von dem Hagen, Jahrbücher für Nationalökonomie und Statistik 222 (2002), 513-530.
• Equivalence scales reconsidered, co-authored with Patrick Moyes, Econometrica 71, (2003), 319-343.
• The difficulty of income redistribution with variable labour supply, co-authored with Patrick Moyes, Economics Bulletin 8 (2003), 1-9.
• Inequality measurement for homogeneous groups, Y.Amiel and J.A.Bishop (Eds.) Inequality, welfare and poverty: Theory and Measurement, Research on Economic Inequality, Vol.9 (2003), 47-67.
• A family of aggregative compromise inequality measures, reprinted in: F.A. Cowell (ed.), The Economics of Poverty an Inequality, Volume I, Edward Elgar Publishing Limited, Cheltenham 2003,493-506.
• Environmental goods and the distribution of income, Environmental and Resource Economics 25 (2003) 435-459.
• Coherent inequality views: Linear invariant measures reconsidered, Mathematical Social Sciences 47 (2004), 1-20.
• Meaningful environmental indices: A social choice approach, co-authored with Heinz Welsch, Journal of Environmental Economics and Management 47 (2004), 270-283.
• An alternative approach to measuring inequality, to appear in: V. Arnold (ed.), Wirtschaftsethische Perspektiven VII, Schriften des Vereins für Socialpolitik 228/VII, Duncker & Humblot, Berlin 2004, 225-242.
• Complaints and inequality, together with Frank A. Cowell, Social Choice and Welfare 23 (2004), 71-89.
• Social welfare, inequality, and poverty when needs differ, Social Choice and Welfare 23 (2004), 415-448.
• Horizontal equity when equivalence scales are not constant, co-authored with Peter J. Lambert, Public Finance Review 32 (2004), 426-440.
• Optimal anti-poverty programmes: Horizontal equity and the paradox of targeting, Economica 72 (2005), 453-468.
• Measures of downside risk, Economics Bulletin 4 (2005), No. 16, 1-9.
• On the measurement of risk, in: S. Müller, T. Jöhnk and A. Bruns (eds.), Beiträge zum Finanz-, Rechnungs- und Bankwesen. Status and Perspectives, Deutscher Universitätsverlag, Wiesbaden 2005, 17-33.
• Budget incidence reconsidered, together with Georg Tillmann, Journal of Economics 88 (2006), 1-19.
• Extending the cost function, A simple method of modelling environmental regulation, Economics Bulletin 17 (2006), No. 6, 1-6.
• Wirtschaftsethische Perspektiven VIII (editor), Schriften des Vereins für Socialpolitik, Vol. 228/VIII, Duncker & Humblot, Berlin 2006.
• Distribution-neutral provision of public goods, with Georg Tillmann, Social Choice and Welfare 29 (2007), 107-124.
• Revealed preference and household production, Journal of Environmental and Economic Management 53 (2007), 276-289.
• Environmental emissions and production economics: implications of the materials balance, co-authored with Heinz Welsch, American Journal of Agricultural Economics 89 (2007), 287-293.
• Ethical inequality measures and the redistribution of income when needs differ, Journal of Economic Inequality 5 (2007), 263-278.
• Income taxation with labour responses, with Patrick Moyes, Journal of Public Economic Theory 9 (2007), 653-682.
• How progressive is progressive taxation? An axiomatic analysis, together with Georg Tillmann, in: P. Lambert (Ed.), Equity, Research on Economic Inequality, Vol. 15 (2007), 57-71.
• Redistributional preference in environmental policy, Finanzarchiv 63 (2007), 548-562.
• Approximating WTP and WTA for environmental goods from marginal willingness to pay functions, Ecological Economics 66 (2008), 270-274.
• Inequality and envy, co-authored with Frank Cowell, Inequality and opportunity, J. Bishop and B. Zheng (Eds.), Research on Economic Inequality 16 (2008), 37-47.
• Living standard, social welfare and the redistribution of income in a heterogeneous population, Journal of Public Economic Theory 10 (2008), 873-889.
• Taking empirical evidence seriously: The principle of concentration and the measurement of welfare and inequality, Social Choice and Welfare 32 (2009), 555-574.
• Household decisions and equivalence scales, co-authored with Patrick Moyes, Journal of Population Economics 22 (2009), 1039-1062.
• The social evaluation of income distribution: An assessment based on happiness surveys, co-authored with Heinz Welsch, Review of Income and Wealth 55 (2009), 803-819.
• On the definition of nonessentiality, Economics Bulletin 29 (2009), No.3, 2046-2050.
• On the measurement of welfare for market and nonmarket goods: A numerical approach, American Journal of Agricultural Economics 92 (2010), 102-109.
• Equity-regarding poverty measures: differences in needs and the role of equivalence scales, Canadian Journal of Economics 43 (2010), 301-322.
• Household willingness to pay and income pooling: A comment, Economics Letters 107 (2010), 7-9.
• Dominance criteria for welfare comparisons: Using equivalent income to describe differences in needs, Theory and Decision 69 (2010) 55-67.
• The decomposition of inequality reconsidered: Weakly decomposable measures, Mathematical Social Sciences 60 (2010), 94-103.
• Inequality reducing taxation reconsidered, in: J.A. Bishop (Ed.), Studies in Applied Welfare Analysis: Papers from the third ECINEQ Meeting, Research on Economic Inequality, Vol. 18 (2010), 131-152.
• Optimal response functions in global pollution problems can be upward-sloping: Accounting for adaptation, co-authored with Heinz Welsch, Environmental Economics and Policy Studies 13 (2011), 129-138.
• The redistribution of income when needs differ, in: B. Genser, H.J. Ramser and M. Stadler (eds.), Umverteilung und soziale Gerechtigkeit, Wirtschaftswissenschaftliches Seminar, Vol. 40, Mohr Siebeck, Tübingen 2011, 85-106.
• Optimal environmental taxes and standards: Implications of the materials balance, co-authored with Heinz Welsch, Ecological Economics 70 (2011), 2454-2460.
• The relationship between individual and household measures of WTP and WTA, to appear in: Social Choice and Welfare 2012.
• Adaptation and mitigation in global pollution problems: Economic impacts of productivity, sensitivity, and adaptive capacity, co-authored with Heinz Welsch, to appear in: Environmental and Resource Economics 2012.