"China has a huge economic interest in trade, especially by sea," the official said.

If ever Marx was right about economic interest being the ground of human behavior!

It is also a matter of economic interests and political power.

Are not all the social services of great economic interest?

All services of general economic interest are social in nature.

Might that have something to do with its economic and military interests?

Nor can I see any initiative being taken on services of general economic interest.

It is in both our democratic and economic interests to do so.

The same can be said if our own economic interests guide what we do.

For another, it is not in their economic interests to do so.