By ensuring they never have a long or short overall position in the market, the dealer ensures they are immune to market movements, and lock in their margins between their purchase premiums and sale premiums. (visualcapitalist.com)
In USA, at least; overall positions on average solidly shift more towards liberal; especially socially but also fiscally (if your recall, Barak Obama when elected didn't support gay marriage; Bill Clinton never did. (politics.stackexchange.com)
This puts Britain in a weak overall position, especially as half of its EU trade surplus is with Germany and the Netherlands. (totalpolitics.com)