By Thomas Piketty
Truthout - Wednesday, 28 May 2014
"Social distinctions can be based only on common utility."—Declaration of the Rights of Man and the Citizen, article 1, 1789
The distribution of wealth is one of today's most widely discussed
and controversial issues. But what do we really know about its evolution
over the long term? Do the dynamics of private capital accumulation
inevitably lead to the concentration of wealth in ever fewer hands, as
Karl Marx believed in the nineteenth century? Or do the balancing forces
of growth, competition, and technological progress lead in later stages
of development to reduced inequality and greater harmony among the
classes, as Simon Kuznets thought in the twentieth century? What do we
really know about how wealth and income have evolved since the
eighteenth century, and what lessons can we derive from that knowledge
for the century now under way?
These are the questions I attempt to answer in this book. Let me say
at once that the answers contained herein are imperfect and incomplete.
But they are based on much more extensive historical and comparative
data than were available to previous researchers, data covering three
centuries and more than twenty countries, as well as on a new
theoretical framework that affords a deeper understanding of the
underlying mechanisms. Modern economic growth and the diffusion of
knowledge have made it possible to avoid the Marxist apocalypse but have
not modified the deep structures of capital and inequality—or in any
case not as much as one might have imagined in the optimistic decades
following World War II. When the rate of return on capital exceeds the
rate of growth of output and income, as it did in the nineteenth century
and seems quite likely to do again in the twenty-first, capitalism
automatically generates arbitrary and unsustainable inequalities that
radically undermine the meritocratic values on which democratic
societies are based. There are nevertheless ways democracy can regain
control over capitalism and ensure that the general interest takes
precedence over private interests, while preserving economic openness
and avoiding protectionist and nationalist reactions. The policy
recommendations I propose later in the book tend in this direction. They
are based on lessons derived from historical experience, of which what
follows is essentially a narrative....
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