Framing effects are everywhere. An estate tax looks very different to a death tax. Gun safety
seems to be one thing and gun control another. Yet, the consensus from decision theorists …

This paper develops and explores a new framework for theorizing about the measurement
and aggregation of well‐being. It is a qualitative variation on the framework of social welfare …

Most moral and political theories require us to make interpersonal comparisons of welfare.
This poses a challenge to the popular view that welfare consists in the satisfaction of …

Harsanyi claimed that his Aggregation and Impartial Observer Theorems provide a
justification for utilitarianism. This claim has been strongly resisted, notably by Sen and …

This paper is about the role of interpersonal comparisons in Harsanyi's aggregation
theorem. Harsanyi interpreted his theorem to show that a broadly utilitarian theory of …

Wellbeing describes how good life is for the person living it. Wellbeing comes in degrees.
Subjective theories of wellbeing maintain that for objects or states of affairs to benefit us, we …

This paper introduces a new solution concept for non-cooperative games in normal form
with no ties and pure strategies: the Perfectly Transparent Equilibrium. The players are …

The main question of this paper is how people may agree in their interpersonal comparisons
of wellbeing. These comparisons are important in social ethics and for policy purposes. The …

This thesis consists of several independent papers in population ethics. I begin in Chapter 1
by critiquing some well-known'impossibility theorems', which purport to show there can be …

In previous work, I have argued that subjectivists about well-being must turn from a
preference-satisfaction to a desire-satisfaction theory of well-being in order to avoid the …