Applications of Section 7 of the Clayton Act have been deficient in identifying and prohibiting anticompetitive mergers, particularly those involving the acquisition of nascent competitors in digital markets. While the language of the Clayton Act is flexible and broad, its implementation has evolved into a narrow, economic-focused analysis that requires (or expects) quantitative evidence to show competitive harm and establish a prima facie case. This approach sets an unusually high bar for plaintiffs when the mergers involve dynamic technology markets in which firms compete more on innovation than on price, primarily because the preferred economic tools are not well equipped to measure and predict innovation harms in the long run. The probl...