Primary and secondary legislation – assessing the impacts of rules for making rules

Jonathan Cave and Stephen Gibson
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Stephen Gibson: Mossavar-Rahmani Centre for Business and Government at Harvard Kennedy School.

The Warwick Economics Research Paper Series (TWERPS) from University of Warwick, Department of Economics

Abstract: Impact assessments (IAs) of government regulatory policy proposals set out their expected costs, benefits and risks and who is likely to face those impacts. In the UK, primary legislation can confer powers on Government ministers and other bodies to enact Statutory Instruments (SIs) and other secondary legislation. Because SIs have the same effect as Acts of Parliament, but face significantly less scrutiny, there has been a trend to increase the use of this mechanism and to use them for areas of policy or principle, rather than purely administrative procedures. However, the different timing and treatment of primary and secondary legislation has important implications for the assessment of the impacts of the proposed measures in IAs. This paper outlines the rationale for a compound (primary and secondary) approach to introducing legislation, identifies different types of subordination and considers the implications for estimating their expected impacts in an IA - particularly when the assessment of the secondary measure happens after some of the uncertainty related to the possible outcomes of the primary measure has been resolved and this can be taken into account in the secondary decision(s). It points out the limitations of the conventional NPV-based approach to assessing the impacts of compound measures and proposes the use of a real options approach to IAs to address this concern. In particular it suggests that the real options approach should be used in cases where there are; uncertain outcomes, different possible timings, irreversible policy decisions and distortions due to the use of standard discount rates. Primary legislation creates the opportunity but not the obligation to pursue secondary measures and should be assessed taking these future options into account.

Keywords: Impact assessment; better regulation; secondary legislation; real options (search for similar items in EconPapers)
Date: 2023
New Economics Papers: this item is included in nep-reg
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Persistent link: https://EconPapers.repec.org/RePEc:wrk:warwec:1486

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