After the collapse of communism in the Soviet Union and eastern Europe, more than a dozen countries undertook aggressive privatization programs. Proponents of economic reform championed such large-scale efforts as the fastest, most reliable way to make the transition from a state-run to a capitalist economy.

The idea was widely embraced, and in the span of a few years, policymakers across the region repeatedly chose an approach that distributed vast amounts of state property to the private sector essentially for free-despite the absence of any historical precedent for such a radical...