=+where represents the true parameter vector. Thus, we have M 1 M() 166 5 Inequalities E

=+where θ represents the true parameter vector. Thus, we have

ˆθ − θ ≈ − ∂M

∂θ

−1 M(θ)

166 5 Inequalities

≈ −

E

∂M

∂θ

 −1 M(θ).