Introduction

e b motors, 122 million parts, are for. Think of it as your virtual parts garage. They've always got the right fitment at the right prices. Fans go to cheer on their team. They are behind the scenes n v, p insuring everything is game day ready. We see o joe fixing seats so every fan can enjoy every game. And allie, who keeps her stadium running smoothly from the moment the first game starts to the last play of the season. Let's conversation with josh angrist can open people's eyes to the incredible unta potential of natural experiments.