 To study the relation of determinative power to sensitivity to perturbations , we relate the MI to measures of perturbations, such as the influence of a variable, in terms of inequalities.
<clarity>  To study the relation of determinative power to sensitivity to perturbations , we relate the MI to measures of perturbations, such as the influence of a variable, in terms of inequalities.
 We compare the determinative power of a set of inputs to the sensitivity to perturbations , we relate the MI to measures of perturbations, such as the influence of a variable, in terms of inequalities.