If we intend to support sustainability in the financial markets, research and analysis must come first. In the last 30 years, the groundwork has been laid by the Ethical Environmental Research Group (Forschungsgruppe Ethisch-Ökologisches Rating) leading to a rating system for Impact Investing....

Sustainable investments cannot focus on profit maximization alone, they also have to contribute to the future of mankind in terms of ecological and social-cultural challenges. How to apply this definition for financial investments is a broadly discussed topic for asset-managers with regard to...

In this paper, we review the German practice of imputing the costs of owner-occupied housing by increasing the relative weight of actual rents in the CPI. As the structure of owner-occupied housing differs substantially from that of rental housing, this variant of the imputation method may cause...

In several studies, hedonic methods have been used successfully for the ex post assessment of the accuracy of inflation measurement. Most of those studies relate to high-tech products, with respect to which traditional methods of compiling price indices often fail. We apply hedonic methods to...

We analyse the adjustment of retail and services prices in a period of low inflation, using a set of individual price data from the German Consumer Price Index which covers the years 1998 to 2003. We strong find evidence of time- and state-dependent price adjustment. Most importantly, the...