"A book on why most things are more expensive or lower quality, and why we're all still working long hours for the same or lower wages. Does it ever seem like most things you buy are more expensive or not as good as they once were, or both? Does it ever seem odd that, despite having access to...

Might firms' use of data create market power? To explore this hypothesis, we craft a model in which economies of scale in data induce a data-rich firm to invest in producing at a lower marginal cost and larger scale. However, the model uncovers much richer interactions between data, welfare and...