"marginal social benefit" . "marginal price determination theory" . . "all participants value each unit of cake equally" . . "Law of diminishing marginal utility" . . . "diminishing marginal utility" . "Marginal utility" . . "marginal revolution" . "utility theory" . "marginal benefit" . "less inclined to spend money after a certain point" . . . "marginal utility" . "marginal utility#The \u201Claw\u201D of diminishing marginal utility" . "Marginal utility#Law of Diminishing marginal utility" . . . . "marginal utility#Diminishing marginal utility" . . . "marginal" . "Marginal utility#Marginalist theory" . "Marginal utility#Diminishing marginal utility" . . "marginal utilities" . . . . "Marginal Revolution" . "Marginal utility" . . . "full marginal cost" .