By Kara Marciscano
Investing is rooted in quantitative analysis, but the ultimate decision to buy or sell is often overruled by intuition.
The latter situation may cause investors' portfolios to reflect a home bias - their portfolios lack global diversity and are concentrated in securities listed in their own country.
Perhaps there is some validity to this common behavioral tendency. Investing internationally can add a layer of complexity, especially when corporate governance and political influence are concerns.
Naturally, many investors default to "beta" products that offer total market exposure for their foreign equity allocations.
But