Miscalibration is a standard measure of overconfidence in both psychology and economics. Although it is often used in lab experiments, there is scarcity of evidence about its effects in practice. We test whether top corporate executives are miscalibrated, and whether their miscalibration impacts...

Textbook theory assumes that firm managers maximize the net present value of future cash flows. But when you ask them, real-world firm managers consistently say that they are maximizing something else entirely: earnings per share (EPS). Perhaps this is a mistake. No matter. We take firm managers...

Using a unique 10-year panel that includes more than 13,300 expected stock market return probability distributions, we find that executives are severely miscalibrated, producing distributions that are too narrow: realized market returns are within the executives' 80% confidence intervals only...