Section notes for Econ 202 </head> <body> <h1> Section notes for Econ 202 </h1> <a href="ChTh.pdf"> Choice Theory</a><br> A few choice theory problems solved. <br> <a href="ProdThI.pdf"> Producer Theory I </a><br> Implicit function theorem, Differential envelope theorem, Lattice theory, Topkis' Theorem <br> <a href="ProdThII.pdf"> Producer Theory II </a><br> Kuhn-Tucker methodology, Integral envelope theorem<br> <a href="ConsThI.pdf"> Consumer Theory I </a><br> Duality, homotheticity, and aggregation <br> <a href="ConsThII.pdf"> Consumer Theory II </a><br> Welfare measures and path independence, nested optimization, the LeChatelier Priciple <br> <a href="CUU.pdf"> Choice under Uncertainty </a><br> Arrow-Pratt measures, proof methodology for insurance and portfolio problems, precautionary savings and the third derivative <br> <a href="GenEqI.pdf"> General Equilibrium I </a><br> Existence of Walrasian equilibrium, corner solutions, and zero prices <br> <a href="GenEqII.pdf"> General Equilibrium II </a><br> Continuous GE, market failure due to externality, market failure due to increasing returns to scale<br> <a href="rev.pdf"> Final Exam Review </a><br> Exactly as advertised <hr> <a href="CompensDem.pdf">An alternative to the Hicksian demand</a><br> Hicksian demand compensates to keep utility constant. An alternative is to compensate to keep purchasing power constant.<br> <a href="Duality.pdf">Duality</a><br> Introduces the duality theorem and the idea of support functions<br> <a href="LPDual.pdf">LP Duality</a><br> Introduces linear programming duality<br> <a href="EulersTheorem.pdf">Euler's theorem and its converse</a><br> Exactly as advertised<br> <a href="GeneralAssortion.pdf">Assortion with continuous type spaces</a><br> Discusses how to deal with assortion in continuous type spaces, as used in continuous GE problems.<br> <a href="HemiNote.pdf">Hemicontinuity and fixed point theorems</a><br> Hemicontinuity, Fixed Point Theorems, Theory of the Maximum, and why you might care.<br> <a href="MinBasis.pdf">Expanding in a basis of mins</a><br> In the same way periodic functions can be expanded in Fourier series, concave functions can be expanded in a series of min functions.<br> <a href="ShadowPrice.pdf">Lagrange multipliers as shadow prices</a><br> Two ways to justify the intuition of Lagrange multipliers as prices.<br> <a href="Topkis.pdf">All you wanted to know about Topkis' Theorem (but were afraid to ask)</a><br> Start with univariate Topkis on the reals, move on to multivariate Topkis on the reals, and then step up to Topkis on a general lattice<br> </body> <hr> Copyright, 2005-2009 </html>