Mathematical Economics | UGC NET / SET / JRF | Practice Questions UGC NET | SET | JRF - ECONOMICS VIEW ALL UNITS PRACTICE QUESTIONS UGC NET (ECONOMICS) UNIT IV. Mathematical Economics 1. Sets, Functions and Continuity, Sequence, Series 2. Differential Calculus and its Applications 3. Linear Algebra - Matrices, Vector Spaces 4. Static Optimisation Problems and their Applications 5. Input-Output Model, Linear Programming 6. Difference and Differential Equations with Applications