What is a whistle-blower? What motivates whistle-blowers?

What would would be a more moral system of exchange and why?

It is all about the The Black Rhino. The black rhino is one of the most endangered species on the planet. In southern Africa in 1970 there were 65,000 Black Rhinos. Now there are only 2,500. Basic economics tells us why they are in trouble and what we can try to do about it. Why do people kill the black rhino? Because they can make a lot of money relative to the risk of getting caught - just like drug trafficking and lying on your taxes. In Asian communities the horn is viewed as an aphrodisiac and a powerful pain reliever. In Yemen sabers are made from them. As a result one horn can fetch $30K on the black market. The average yearly income in southern Africa is $1,000 and falling. The black rhino is worth more dead than alive. This is a market that does not correct itself. Another piece of this, that is common to many environmental challenges, is that most black rhinos are communal property, not private property. Imagine if all the black rhinos were in the hands of one rancher – would…

How is Dead Weight Loss Calculated & Graphed?

Why does OSHA face a daunting task in regulating workplace safety? (Just describe one reason)