Free online lectures on topics in Micro and Math by Amit Goyal.


  • Modelling consumer behavior

  • Graphical approach to finding demand

  • Substitution and income effect

  • Full course

General equilibrium

  • Efficiency in exchange economy

  • Equilibrium in exchange economy

  • Solved examples

  • Full course


  • Concave, convex functions

  • Techniques to identify them

  • Solved Examples

  • Full course

Video solutions

  • Past year problems from ISI, DSE

  • Sample problems

  • Full series