For this reason, our interest in the issues that I  mentioned in this paragraph and in the previous one is all but academic. We stand ready to adjust our approach as knowledge evolves. 4. Concluding remarks My choice to focus on sustainability issues did not do justice to the various strands of work represented in today’s workshop, which are equally important.
Let me therefore conclude with a few remarks on the topics addressed by these papers. Two contributions are about investment funds. In recent years investment funds have been among the key drivers of the expansion of non-bank financial intermediaries (NBFIs), which in turn account for virtually the entire growth in financial assets in the euro area since 2008.