In the past this term was used to denote inter-dependence between different positions in the negotiations.

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But the economic inter-dependence of Germany and Russia already goes deep.

BBC: Russia strengthens ties with Germany

World economics of late are moving toward inter-dependence and market sophistication.

CNN: Thai Inquiry

At this week's conference in Brussels on economic development in south-eastern Europe, there was much talk some of it sensible about the need for bridges, roads, railway links and the like to create inter-dependence.

ECONOMIST: The next Balkan war

While many argue that Chinese bailouts should not be feared, because they increase that country's stake in US recovery, it is also clear that the public in both countries is often uncomfortable with this inter-dependence.

BBC: Is the United States an empire in decline?