MATHEMATICS FOR ECONOMISTS

MULTIVARIATE CALCULUS II

Level Curves and Level Sets

Level Curves and Level Sets (Con’t)

Level Curves and Level Sets (Con’t)

Concavity and Convexity

Concavity and Convexity

Concavity and Convexity

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Concavity and Convexity

Concavity and Convexity

Quadratic Forms

Quadratic Forms (Con’t)

Determinantal Tests for Sign Definiteness

Testing for strict concavity and strict convexity (Con’t)

The Semidefinite Case (Con’t)

The Semidefinite Case (Con’t)

Contoh 1 :

Contoh 2 :

Homogenous Functions

Homogenous Functions (Con’t)

Homogenous Functions (Con’t)

Homotheticity

Homotheticity