It's difficult to arb those opportunities though, because while we have pretty decent freedom of capital and goods between the US and DK, we still have pretty p

It's difficult to arb those opportunities though, because while we have pretty decent freedom of capital and goods between the US and DK, we still have pretty piss poor free movement of labor -- both as a matter of formal barriers (i.e. immigration rules) and informal ones (e.g. different languages).