# Keyword Analysis & Research: envelope theorem

## Keyword Research: People who searched envelope theorem also searched

How does the envelope theorem relate to the objective function?

As we change parameters of the objective, the envelope theorem shows that, in a certain sense, changes in the optimizer of the objective do not contribute to the change in the objective function. The envelope theorem is an important tool for comparative statics of optimization models. .

What is the envelope theorem of differentiability?

The envelope theorem is a result about the differentiability properties of the value function of a parameterized optimization problem. As we change parameters of the objective, the envelope theorem shows that, in a certain sense, changes in the optimizer of the objective do not contribute to the change in the objective function.

Do envelope theorems have convexity properties?

However, in many applications such as the analysis of incentive constraints in contract theory and game theory, nonconvex production problems, and "monotone" or "robust" comparative statics, the choice sets and objective functions generally lack the topological and convexity properties required by the traditional envelope theorems.

What is the envelope theorem of LaGrange?

The envelope theorem is an important tool for comparative statics of optimization models. that are optimized. . The Lagrangian expression of this problem is given by are the Lagrange multipliers. Now let V ( α ) ≡ f ( x ∗ ( α ) , α ) . {\displaystyle V (\alpha )\equiv f (x^ {\ast } (\alpha ),\alpha ).} Then we have the following theorem.