Part 1 Tax competition: measuring relative market power in the western US coal market using shapely values, F.A. Wolak; competition in interregional taxation - the case of western coal, F.A. Wolak; strategy and market structure in western coal taxation, F.A. Wolak; conjectural variation and the indeterminacy of duopolistic equilibria, F.A. Wolak. Part 2 Cross-sectional industry analysis: the specification of dynamics in cost function and factor demand estimation, J.-K. Lee; measuring the energy efficiency and productivity impacts of embodied technical change, E. Berdnt and J.-K. Lee; a capital-labour-energy model of fuel demand in the manufacturing sector of seven major OECD countries, A. Bopp et al. Part 3 International trade: foreign direct investment, exchange rate variability and demand uncertainty, L.S. Goldberg; a model of homogenous input demand under price uncertainty, F.A. Wolak; imperfectly competitive equilibria in international commodity markets, A.E. Burris; the effect of market control on international steam coal trade, D.S. Abbey. Part 4 Computing equilibria: computing Cournot-Nash equilibria, L. Mathiesen; derivative evaluation and computational experience with large bilevel mathematical programmes, L.S. Lasdon; necessary and sufficient conditions for uniqueness of a Cournot equilibrium, L. Mathiesen. Part 5 Spatial resource economics - theory: cost functions and nonlinear prices - estimating a technology with quality-differentiated inputs, M.H.L. Turnovsky; hotelling rents in hotelling space - product differentiation in exhaustible resource markets. Part 6 Spatial environmental economics - theory: aggregate source-receptor relations for economic analysis of ambient regulations, M.D. Williams; uniformity versus differentiation in regulating externalities, acid deposition regulation and the US coal industry; clean air and energy - reform of the PSD provisions of the Clean Air Act; empirical properties of economic incentives and command-and-control regulations for air pollution control; alternative air quality policy options in the four corners region, F. Roach et al; air quality implications of a nuclear moratorium - an alternative analysis, A. Bopp et al.