Hello,

I am trying to calculate comparative statics for a system of 14 equations. Unfortunately, there is an error return and by looking for the problem I came across this issue, which is part of the overall project. I am working with normal probability function that has a normally distributed error term and three exogenous variables, q,m, and a.

\[Delta] = \!\(

\*SubsuperscriptBox[\(\[Integral]\), \(-\[Infinity]\), \(y\)]\(w \

\[DifferentialD]x\)\)

(* Dismissal Probability Function with Density Function w(.) of \

\[Epsilon] *)

w = PDF[NormalDistribution[\[Mu], \[Sigma]], x]

(* Density Function *)

y = q - (\[Phi]*m)/a

(*Error Term y - Normally Distributed with mean and variance Sigma^2 *)

D[\[Delta], q]

D[\[Delta], m]

D[\[Delta], a]

The derivatives (by hand) would be:

w

-Phi/a*w

Phi*m*a^(-2)*w

but I receive only conditional expressions.

Thank you.