Three projects are on my desk, all asking for the same pot of money, and I'm the one who decides. I can build a case for each, but when I try to line them up side by side on returns and risk, it turns to mush in my head. I make the call anyway, and I'm never quite sure I compared them honestly.
More people experience this than they realize.
You decide where money goes but can't rigorously weigh the options against each other.
If this sounds familiar, the Library can help you find the bigger picture.