Over the past two decades, economic policies across the world, and economic systems with them, have changed their character, their complexion. To an extent that few anticipated before the event, a large and growing array of governments have adopted measures, and in some cases whole programmes, with the intention and the effect of making their economies freer, more open and less regulated: both individually and in concert, they have taken the path of economic reform.

David Henderson was formerly head of the Economics and Statistics Department of the OECD and is now an independent author and consultant.