Competition, Welfare, and Competition Policy -- In What Sense is the Nash Solution Fair? -- Utility Invariance in Non-Cooperative Games -- Compensated Demand and Inverse Demand Functions: A Duality Approach -- Shadow Prices for a Nonconvex Public Technology in the Presence of Private Constant Returns -- A Glance at Some Fundamental Public Economics Issues Through a Parametric Lens -- Rent Seekiā¦