Complex sentence: Published by the Organisation for Economic Co-operation and Development (OECD), this work studies the growth of populations and economies across the centuries: not just the World Economy as it is now, but how it was in the past.
Split into simpler sentences: Published by the Organisation for Economic Co-operation and Development (OECD), this work studies the growth of populations and economies across the centuries. Not just the World Economy as it is now, but how it was in the past.