At least for some fields of regulation economic approaches have been elaborated to analyse costs and benefits.142 However, mostly quantification is not feasible when it comes to specific regulatory arrangements and so those methods are considered too complex to be applied.143 Very seldom does one find approaches, among studies of this kind, which consider the reaction to regulation as a possible cause for regulatory measures and, therefore, see regulation as a circular process rather than a one-way street.
Toutefois, cette procédure ne tient évidemment pas compte du fait que des variables peuvent être à l’origine des changements du développement des indicateurs140.