The Cologne Institute for Economic Research (German: Institut der deutschen Wirtschaft Köln e.V.) (IW) is a private economic research institute in Germany, which promotes a liberal economic and social order. The Cologne Institute for Economic Research is based in Cologne, Germany, with additional offices in Berlin, Germany, and Brussels, Belgium.
The IW compiles analyses on economic and social policy issues. As a think tank, it combines research, consultancy and communication services. The research is based on empirical principles and sound scientific methodology. It stands for a socially responsible free market economy in German for the benefit of society as a whole. The institute’s long term goal is to support a liberal economic and social order in Germany and beyond and to improve understanding of how business and society function and interact.