BASE - Bielefeld Academic Search Engine
A multidisciplinary, scientific search engine for bibliographical data of document servers worldwide, selected web sites and local data collections. In some cases, BASE allows a full-text search.
EconStor is the new Open Access server of the German National Library of Economics – Leibniz Information Centre for Economics. EconStor provides a basis for the free publication of academic literature in economics. Any research facility wishing to publish and permanently preserve relevant publications in economics under the terms of Open Access can do so on EconStor.
EU Bookshop is an online service giving access to the publications of the institutions and other bodies of the European Union. A lot is offered free of charge. Many publications are available in PDF format.
Nationallizenzen für elektronische Medien
Since 2004 the DFG (German Research Foundation) is financing national licences for databases, digital collections and electronic journals in order to improve access to electronic resources for German universities, research establishments and research libraries.
The WZB library included the following products into its collection of electronic resources: link
RePEc - Research Papers in Economics
RePEc is a collaborative effort of hundreds of volunteers in 75 countries to enhance the dissemination of research in economics and related sciences. The heart of the project is a decentralized bibliographic database of working papers, journal articles, books, book chapters and software components, all maintained by volunteers. The collected data is used in various services, e.g. IDEAS (the complete RePEc database), EDIRC (Institutions) and CitEc (citation analyis).
SSOAR - Social Science Open Access Repository
SSOAR provides social science publications, for free, available with full texts. Its goal is to implement the "green road" to open access by providing users with free electronic access to pre-prints and post-prints of publications.
SSRN - Social Science Research Network
Comprehensive collection of Papers (ca. 388,604) related to the whole research field of economics. By creating an account (for free), you can easily share and revise your research; view and download the latest research in your field (My Briefcase).
Wikisource collects and stores in digital format previously published texts; including novels, non-fiction works, letters, speeches, constitutional and historical documents, laws and a range of other documents. All texts collected are either free of copyright or released under a free license. Wikisource is provided by the Wikimedia Foundation.