I: Methodology.- The Scientific Work of Gerhard Tintner.- Econometrics Needs a History: Two Cases of Conspicuous Neglect.- II: Planning Models.- Energy Pricing in a Welfare Framework: Issues in Equity, Efficiency and Exhaustibility.- Foreign Aid, Economic Development and Income Distribution: Some Inferences from a CGE Model for Egypt.- III: Analysis of Efficiency.- The Active Approach of Stochastic Optimization with New Applications.- Efficient Portfolios: Risk Shares and Monetary Policy.- Extremal Principle Solutions of Games in Characteristic Function Form: Core, Chebychev and Shapley Value Generalizations.- Econometric Estimation of Decision Models under Uncertainty.- On Estimating the Elasticity of Factor Substitution by Nonlinear Least Squares.- Recent Nonparametric Measures of Productive Efficiency.