'Heterogeneous treatment' presentation slideshows

Evaluation of public policies: alternative methods. Second week . Topic 1. Intro and Diff in Diff

Evaluation of public policies: alternative methods. Second week . Topic 1. Intro and Diff in Diff. Orazio Attanasio and Marcos Vera-Hernandez Los Andes July 14- July 25 2008. Outline. Step back to look at the evaluation problem and state where we stand. Provide basic notation again.

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