Martin Hawes: Are you losing money on ethical investing?

Ethical investing seems to be a hot topic when it comes to choosing an investment fund or KiwiSaver provider.  I've often heard providers boast that their fund is ethical - they avoid weapons manufacturers, focus on renewable and sustainable energy - you won't feel a possible sense of guilt around where your money is going.  LISTEN ABOVESee omnystudio.com/listener for privacy information.