Constrained INformation Design: Toolkit

These notes show the tools in Le Treust and Tomala (2017) extend to the case of multiple inequality and equality constraints. This showcases the power of the results in that paper to analyze problems of information design subject to constraints. In fact, we show in Doval and Skreta (2018) that they can be used to provide an upper bound on the number of posteriors a designer with limited commitment uses in his optimal mechanism.

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