Template-Type: ReDIF-Paper 1.0 Author-Name: Brennan S. Thompson Author-X-Name-First: Brennan Author-X-Name-Last: Thompson Author-Email: brennan@ryerson.ca Author-Workplace-Name: Department of Economics, Ryerson University Author-Name: Matthew D. Webb Author-X-Name-First: Matthew Author-X-Name-Last: Webb Author-Email: matt.webb@carleton.ca Author-Workplace-Name: Department of Economics, Carleton University Title: A Simple, Graphical Approach to Comparing Multiple Treatments Abstract: We propose a graphical approach to comparing multiple treatments that allows users to easily infer differences between any treatment effect and zero, and between any pair of treatment effects. Our approach makes use of a flexible, resampling-based procedure that asymptotically controls the familywise error rate (the probability of making one or more spurious inferences). We demonstrate the usefulness of our approach with three empirical examples. Classification-JEL: Keywords: multiple hypothesis testing; treatment effects; bootstrap Length: 36 pages Creation-Date: 2015-01 Revision-Date: 2017-03 Number: 063 File-URL: http://economics.ryerson.ca/workingpapers/wp063.pdf File-Format: Application/pdf Handle: RePEc:rye:wpaper:wp063