This comment urges a recognition of the fact that the main goal of ant
itrust, as revealed in a century of consequences, is not economic effi
ciency or consumer protection but the dispersion of power and decision
-making in the business world. Building on Lucile S. Keyes' proposal f
or improving merger guidelines, it argues that the ''true'' aims of me
rger policy can be more efficiently pursued by disallowing all mergers
involving very large firms that cannot be justified on efficiency gro
unds and ignoring mergers involving all other firms.