*The Economist, Same old Dutch, Nov. 3, 2012*The Economist, Model makers, May 2 2002*The Economist, Economic illusions, May 2 2002*The Economist, A fine place to be, May 2 2002*Mark Kranenburg, The political branch of the polder model, July 1, 1999
==External links==*The Economist, Same old Dutch, Nov. 3, 2012*The Economist, Model makers, May 2 2002*The Economist, Economic illusions, May 2 2002*The Economist, A fine place to be, May 2 2002*Mark Kranenburg, The political branch of the polder model, July 1, 1999