Dynamic Statutory Drafting: Calculating the Price of Legislative Imprecision
James Ming Chen
University of Louisville - Louis D. Brandeis School of Law
Issues in Legal Scholarship, Dynamic Statutory Interpretation, Article 13, 2002
Minnesota Legal Studies Research Paper
Inflation touches many areas of law, and the law's response to inflation constitutes a policymaking opportunity in its own right. Legislators have long realized that the use of specific dollar figures or economic formulas can render statutes obsolete. Yet Congress's response to the most basic type of economic change hardly reflects careful policymaking. Federal statutes specifying one price index strongly favor the Bureau of Labor Statistics' Consumer Price Index (CPI) over the implicit price deflator (IPD) derived from the Bureau of Economic Affairs' computation of the gross domestic product. The IPD, however, boasts two methodological advantages that enable it to outperform the CPI in many circumstances. The IPD not only covers a deeper range of goods and services in the economy; it also eschews the fixed-weighted market-basket approach of the CPI. Both features offset the CPI's tendency to over report the rate of price change in the U.S. economy. Adopting the superior inflation index does present a daunting legal task. Because courts cannot countermand specific legislative references to one index or the other, and because neither index suits for all legislative needs, substitution of the IPD for the CPI (or vice versa) must almost invariably be achieved through piecemeal amendment. Like statutory interpretation ex post, legislative drafting ex ante demands both an expectation of imperfection and an enduring commitment to reinvention.
A fuller version of this article, The Price of Macroeconomic Imprecision: How Should the Law Measure Inflation?, 54 Hastings L.J. 1375 (2003), is available for download at http://papers.ssrn.com/abstract=771244.
Keywords: inflation, discount rates, purchasing power parity, consumer price index, implicit price deflator, gross domestic product, CPI, GDP
JEL Classification: C10, E30, E31, L51, O47Accepted Paper Series
Date posted: May 1, 2006
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