Many say that it's perfectly ethical to profit from an asymmetry of information, where, for instance, one party is paying much more for an item or service than others would say it's worth.
Does Dreweatts have an ethical problem profiting from the regime that murdered six million Jews? "For me, personally, no," says Mr Claridge.
So-called social investments can be found on Ethex, a not-for-profit ethical investing platform.
The bank says its investments "are made within strict ethical boundaries", with profits used to further the Salvation Army's evangelical and charitable work.
That troubles some medical ethicists, who say that without federal financing, there is no federal regulation, leaving a field heavy with ethical implications to profit-making entrepreneurs.
In fact, a company has purpose when it deliberately prioritizes its ethical principles over profit-making opportunities, at least some of the time.
That's the idea behind the 10-destination list put together by San Francisco-based non-profit Ethical Traveler, which, since 2006, has published an annual guide to the World's Best Ethical Destinations in the developing world.
If profits beat ethics, is ethical tech possible?
Can you still be ethical and make a profit?
They have an ethical obligation not to profit from forced unpaid work".
