Does Free Pizza Cause Seminar Attendance?Presented by Aniket Panjwani · 0:51 · 3 slides Transcript Seek within the replay0:00 / 0:51CC1×Play from this slideFollowing audioSlide 1 / 30:00Aniket PanjwaniToday I'm asking a simple question: does free pizza cause seminar attendance?0:05Aniket PanjwaniIn our example data, attendance doubles when pizza is offered.0:09Professor GeorgeHave you controlled for seminar quality? Some talks are considerably worse than the pizza.0:15Aniket PanjwaniAn important concern. On the next slide, we randomly offer pizza at half the seminars.0:20Aniket PanjwaniSame room, same time, similarly impenetrable slides.0:24LauraI signed the attendance sheet and left with three slices. Am I in your treatment group?0:30Aniket PanjwaniUnfortunately, yes. Which brings us to the final slide: what happens when the pizza runs out?0:36Aniket PanjwaniAttendance falls sharply. The remaining audience consists of the presenter, the organizer, and someone waiting for a recommendation letter.0:46Professor GeorgeSo your result is driven by the crust?0:48Aniket PanjwaniI'll address that in the robustness checks.