404. That’s an error.

The requested URL /_/+1/confirm?hl=de&url=https%3A%2F%2Fdiw-econ.de%2Fdownloads%2Frichtig-investieren-i-praesentation%2F&title=%26%238222%3BRichtig+investieren%26%238220%3B+%26%238211%3B+%C3%96ffentliche+Investitionen+zur+Erh%C3%B6hung+des+langfristigen+Wachstumspotentials+in+Deutschland%27) was not found on this server. That’s all we know.