The text below is my submitted abstract. I'll post a working text of the paper in due course. The aim of this paper is simply to document some of the variety in common currency claims, and argue that they are of specific philosophical interest. (That is, I'm not defending any more specific claims about whether any particular currency thesis is true or not.)
Abstract
A recurring claim
made in a number of behavioural, cognitive and neuro-scientific literatures is
that there is, or must be, a unidimensional ‘common currency’ in which the
values of different available options are represented.
There is striking
variety in the quantities or properties that have been proposed as determinants
of the ordering in motivational strength. Among those seriously suggested are
pain and pleasure, biological fitness, reward and reinforcement, and utility
among economists, who have regimented the notion of utility in a variety of
ways, some of them incompatible.
This topic
deserves philosophical attention for at least the following reasons: (1)
Repeated invocation of the ‘common currency’ idiom isn’t merely terminological
coincidence because most of the claims are competing
explanations for one or the other of two putative kinds of fact. In one
case the currency represents a principle of manifest pattern in choices. In the
other, it is a functional part of the processes which produce choice. (2) We
can’t suppose that the different currency claims within each area are
compatible, because there are significant obstacles to identifying pairs of
members of either the ‘pattern’ or ‘process’ group. (3) There are, finally,
seriously opposed positions about the relationships (generally, and in specific
cases including that of humans) between the pattern facts and the process
facts.
Philosophical positions both favouring and opposing a common currency exist. Philosophers who incline to view their positions as at least partly empirical, should be more interested in the issues outlined here than they are.
Philosophical positions both favouring and opposing a common currency exist. Philosophers who incline to view their positions as at least partly empirical, should be more interested in the issues outlined here than they are.
This text was updated slightly on 11 January 2014.
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