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The multilingual European Thesaurus on International Relations and Area Studies (European Thesaurus) is a special subject thesaurus for the field of international affairs. It is intended for use in libraries and documentation centres of academic institutions and international organizations. The European Thesaurus was established in a collaborative project involving a number of leading European research institutes on international politics. It integrates the controlled terminologies of several existing thesauri. The European Thesaurus comprises about 8,200 terms and proper names from the 24 subject areas covered by the thesaurus. Because of its multilinguality, the European Thesaurus can not only be used for indexing, retrieval and terminological reference, but serves also as a translation tool for the languages represented. The establishment of cross-concordances to related thesauri extends the range of application of the European Thesaurus even further. They enable the treatment of semantic heterogeneity within subject gateways. The European Thesaurus is available both in a seven-lingual printversion as well as in an eight-lingual online-version. To reflect the changes in terminology the European Thesaurus is regularly being amended and modified. Further languages are going to be included.

"In this article we use uniquely comparable data sets from two very different settings to examine how exogenous economic transformations affect the likelihood and selectivity of international out-migration. Specifically, we use data from the Mexican Migration Project to construct event history files predicting first U.S. trips from seven communities in the state of Veracruz, which until recently sent very few migrants abroad. Similarly, using data from the Polish Migration Project, we derive comparable event history files predicting first trips to Germany from four Polish communities, which also sent few migrants abroad before the 1980s. Our analyses suggest that the onset of structural adjustment in both places had a significant effect in raising the probability of international migration, even when controlling for a set of standard variables specified by other theories to influence migration propensity, such as die size of the binational income gap and various indicators of human and social capital." (Author's abstract, IAB-Doku) ((en))

"Since the development of the Institutional Dimensions of Global Environmental Change (IDGEC) Science Plan in 1998 has become an important subject of inquiry. The Science Plan put institutional interaction on the agenda of global change research when only a handful of scholars had raised the general issue. Their work drew attention to the risk of 'treaty congestion' [...] and to an increasing 'regime density' [...] in the international system. Today it is widely recognized that 'the effectiveness of specific institutions often depends not only on their own features but also on their interactions with other institutions' [...]. Many environmental issue areas are cocoverned by several international institutions with governance also involving institutions at lower levels of societal and administrative organization (regional, national, local) [...]." (excerpt)