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O Fututo do Constitucionalismo - Caderno de Resumos [2014][l]

O Fututo do Constitucionalismo - Caderno de Resumos [2014][l]

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Economic arguments and judicial review: the alternative<br />

of Neil MacCormick’s framework<br />

Vinícius Klein<br />

Doutor em Direito pela UERJ, Doutor em Economia pela UFPR, Filiação:<br />

Universida<strong>de</strong> Fe<strong>de</strong>ral <strong>do</strong> Paraná, Brazil, viniciusklein78@yahoo.com.br.<br />

The judicialization of politics is a strong trend in the current<br />

Brazilian scenario. This situation brings a challenge for legal theory:<br />

the need to work with extrajuridical arguments in legal reasoning.<br />

This problem is not an exclusivity of constitutional law, but it happens<br />

also in private law cases, for example in business contract <strong>de</strong>cisions<br />

where the importance of the economic argument is increasing.<br />

The solution must inclu<strong>de</strong> at least a partial resort to consequentialist<br />

reasoning. So, the aim of this article is to discuss new judicial reasoning<br />

mo<strong>de</strong>ls that are able to <strong>de</strong>al with consequentialist reasoning,<br />

trough a substantive pattern of judicial justification 1 , but without<br />

losing the control function of judicial reasoning on judicial <strong>de</strong>cisions.<br />

This work will focus on one extrajudicial argument: the economic argument.<br />

This economic argument will be discussed as a substantive<br />

reason in the terminology presented by Robert S. Summers 2 .<br />

To <strong>de</strong>sign this mo<strong>de</strong>l the use of economic arguments must came<br />

with some resort to consequialist reasoning. So, one alternative is<br />

Posnerian Economic Analysis of Law, where the economic argument<br />

is incorporated in the judicial justification. This article conclu<strong>de</strong>s<br />

that this option is ina<strong>de</strong>quate and supports Maccormick’s argumentative<br />

theory as the most promising, although some adjusts are necessary.<br />

The first one is the use of the extrajuridical consequences when<br />

necessary. Maccormick’s theory is very skeptic these possibility 3 . For<br />

that task the economic argument must be used as a scientific argument<br />

and the judge must play the role of a gatekeeper 4 . In this task<br />

the judge must take into account the scientific compatibility between<br />

the aims of the law and the alternatives in the scientific area in ques-

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