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22 Harv. J. L. & Pub. Pol'y 21 (1998-1999)
Relationships between Formalism and Functionalism in Separation of Powers Cases

handle is hein.journals/hjlpp22 and id is 41 raw text is: RELATIONSHIPS BETWEEN FORMALISM
AND FUNCTIONALISM IN SEPARATION OF
POWERS CASES
WILLIAM N. ESKRIDGE, JR.
Peter Strauss has usefully framed key debates in separation
of powers jurisprudence around the distinction between
formalist and functionalist methodologies for construing the
Constitution.' The formalist-functionalist dichotomy is an
appealing way to understand and to teach the cases, but it
masks complexities I should like to explore.
There are no fewer than three different ways that
constitutional formalism and functionalism can be contrasted.
One is their apparently different approach to legal rules and
standards.2 Formalism might be associated with bright-line
rules that seek to place determinate, readily enforceable limits
on public actors. Functionalism, at least as an antipode, might
be associated with standards or balancing tests that seek to
provide public actors with greater flexibility.
Another way of contrasting formalism and functionalism
focuses on the reasoning process by which we reach rules or
standards. Formalism might be understood as deduction from
authoritative constitutional text, structure, original intent, or all
three working together. Functionalism might be understood as
induction from constitutional policy and practice, with practice
typically being examined over time. Formalist reasoning
promises stability and continuity of analysis over time;
functionalist reasoning promises adaptability and evolution.
John A. Garver Professor of Jurisprudence, Yale Law School
1. See generally Peter L Strauss, Formal and Functional Approaches to Separation-of-
Powers Questions-A Foolish Inconsistency?, 72 CORNELL L REV. 488 (1987); Peter L.
Strauss, The Place of Agencies in Government: Separation of Powers and the Fourth Branch,
84 COLUM. L REV. 573 (1984).
2 See generally HENRY M. HART, JR. & ALBERT M. SACKS, THE LEGAL PROCESS
(William N. Eskridge, Jr. & Philip P. Frickey eds., 1994); Frank Ri Easterbrook,
Formalism, Functionalism, Ignorance, Judges, 22 HARV. J.L & PUB. POL'Y 13 (1998).

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