Bargaining with Double Jeopardy
Posted: 6 May 2011
Date Written: May 4, 2011
Virtually every legal system specifies a variety of burdens of proof for different kinds of claims, and then secures each specification with another, nominally unrelated rule pertaining to relitigation. In criminal law, where a prosecutor might be required to prove guilt beyond a reasonable doubt, the prosecutor is prevented from repeatedly drawing from the urn, as it were, by the familiar and nearly universal rule of double jeopardy. We suggest that if law were to weaken the protection, or more likely to permit the defendant to waive the double jeopardy protection, both private and social benefits might follow. The benefits derive from the notion that with a simple double jeopardy rule, the prosecutor – like most people who take a test knowing that there is no opportunity for retesting – will overinvest in preparation. This starting point also illuminates relitigation, or retesting, in other areas, far from criminal law. Thus, deficit spending by a legislature can be understood as a product of a system in which spending proposals that are rebuffed can be pushed forward again, while those that pass are often irreversible. Our focus is on the idea that a prosecutor might offer defendants the option of waiving their double jeopardy protection, in return for a reduction in prosecutorial investment in the “first” trial and perhaps other benefits. In response, innocent defendants might be more likely to accept the prosecutor’s offer, in which case there will be socially beneficial sorting of criminal defendants.
Keywords: waiving double jeopardy protection; waiving constitutional rights; accused rights and privileges; plea bargains; prosecution powers and incentives; relitigation; retesting; burden of proof; sorting of criminal defendants.
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