This paper is concerned with the measurement of individual welfare in labour supply models which allow for the impact of income taxation and income support schemes on labour supply decisions. The paper is motivated by the concern over the need to have measures which can be interpreted easily,...

Afriat (1967) showed the equivalence of the strong axiom of revealed preference and the existence of a solution to a set of linear inequalities. From this solution he constructed a utility function rationalizing the choices of a competitive consumer. We extend Afriat's theorem to a class of...