Andreu Mas-Colell

This is the standard reference textbook in advanced microeconomics (graduate level). It covers all you need in graduate school. Nowadays economics is pretty mathematical, so you must have a good background in calculus - the mathematical appendix will give you the tools you need, but it is going to be impenetrable if you don't have a solid quantitative training. So this book is not suited to self study (unless you are extremely dedicated).
Ideally you would tackle all of the exercises - so good to have also [b:Solutions Manual For Microeconomic Theory: Mas Colell, Whinston, And Green|315021|Solutions Manual For Microeconomic Theory Mas Colell, Whinston, And Green|Chiaki Hara|http://www.goodreads.com/assets/nocover/60x80.png|305857] handy.

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