•  897
    Extended Agency and the Problem of Diachronic Autonomy
    In Time in Action: The Temporal Structure of Rational Agency and Practical Thought, Routledge. 2022.
    It seems to be a humdrum fact of human agency that we act on intentions or decisions that we have made at an earlier time. At breakfast, you look at the Taco Hut menu online and decide that later today you’ll have one of their avocado burritos for lunch. You’re at your desk and you hear the church bells ring the noon hour. You get up, walk to Taco Hut, and order the burrito as planned. As mundane as this sort of scenario might seem to be, philosophers have raised a problem in understanding it.…Read more
  •  802
    This chapter concerns the nature of our obligations as individuals when it comes to our emissions-producing activities and climate change. The first half of the chapter argues that the popular ‘expected utility’ approach to this question faces a problematic dilemma: either it gives skeptical verdicts, saying that there are no such obligations, or it yields implausibly strong verdicts. The second half of the chapter diagnoses the problem. It is argued that the dilemma arises from a very general f…Read more
  •  694
    Consumer Choice and Collective Impact
    In Anne Barnhill, Mark Budolfson & Tyler Doggett (eds.), The Oxford Handbook of Food Ethics, Oxford University Press. pp. 267-286. 2017.
    Taken collectively, consumer food choices have a major impact on animal lives, human lives, and the environment. But it is far from clear how to move from facts about the power of collective consumer demand to conclusions about what one ought to do as an individual consumer. In particular, even if a large-scale shift in demand away from a certain product (e.g., factory-farmed meat) would prevent grave harms or injustices, it typically does not seem that it will make a difference whether one refr…Read more
  •  536
    Collective harm and the inefficacy problem
    Philosophy Compass 14 (4). 2019.
    This paper discusses the inefficacy problem that arises in contexts of “collective harm.‘ These are contexts in which by acting in a certain sort of way, people collectively cause harm, or fail to prevent it, but no individual act of the relevant sort seems to itself make a difference. The inefficacy problem is that if acting in the relevant way won’t make a difference, it’s unclear why it would be wrong. Each individual can argue, “things will be just as bad whether or not I act in this way, so…Read more
  •  494
    Misery Loves Company
    In Mark Timmons (ed.), Oxford Studies in Normative Ethics, Oxford University Press. 2021.
    When one is going through a personal hardship, it is often comforting, or emotionally helpful, to hear from someone else who has gone through something similar. This is a common, familiar human phenomenon, but this chapter argues that it is philosophically puzzling. Unless one is in some sort of moment of vice, one would not want the other person to have suffered the hardship, and one should be pained to hear that they have. And yet the phenomenon is that hearing about their similar hardship mak…Read more
  •  468
    How you can help, without making a difference
    Philosophical Studies 174 (11): 2743-2767. 2017.
    There are many cases in which people collectively cause some morally significant outcome (such as a harmful or beneficial outcome) but no individual act seems to make a difference. The problem in such cases is that it seems each person can argue, ‘it makes no difference whether or not I do X, so I have no reason to do it.’ The challenge is to say where this argument goes wrong. My approach begins from the observation that underlying the problem and motivating the typical responses to it is a sta…Read more
  •  201
    Participation, Collective Impact, and Your Instrumental Significance
    Journal of Practical Ethics 11 (1). 2023.
    There are many sorts of day-to-day choices that are such that, if enough people were to choose one way rather than another, serious harm could be avoided or reduced, and yet it does not seem that any one such choice will itself make a difference. Consider, for example, how our collective consumer choices have various serious environmental and social consequences, and yet for many products, it is doubtful that one purchase more or less will itself make a difference to these outcomes. How are we t…Read more