Jamie Dimon of JPMorgan, Mark Zuckerberg of Facebook, Jack Dorsey formerly of Twitter, Tim Cook of Apple, Elon Musk of Tesla—all these business leaders regularly attend their companies’ quarterly calls. Let’s take a concrete example. Chevron, one of the world’s largest oil companies, had revenues of about $140 billion and a market value of about $190 billion in 2019. The management held a conference call for investors and analysts on January 31, 2020, to highlight its performance.20 The analysts and investors asked twenty-nine questions. What percentage of these do you think were about the
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