When one nerd claims superiority over another.
Eugene: I've never got it on with a girl, I own you.
Poindexter: oh yeah? Well I've never even spoken to a girl, but have 50GB of tentacle rape pr0n on my C:\ and have every star trek episode on DVD
Eugene: omg you rule
Poindexter: omg wtf j00 pwn3DD!!!1
To get even with those who have wronged you in the past.
This is no place to settle old scores, or create new ones.
Not quite the black market, something of a grey area. Basically involves buying goods in bulk in foreign countries where they are cheaper, then shipping them to richer countries to sell at a cheaper price than elsewhere in those countries.
Levi's on the grey market, ok?
The reasoning for choosing the hardest path (or what is presumed to be a hard path), which basically amounts to the person being presented with a decision being rewarded by becoming a "better person" (ambigous term) by the end of the path.
Going into politics builds character, since being economical with the truth is an essential life skill.
Money has a time value, net present value is future cashflows brought back to today's value against a discount factor (11% is standard), minus the initial investment. If the net present value of cumulative cashflows is positive, then the project should be accepted, unless a more profitable investment is also availiable.
To calculate the NPV of an investment, one must know the discount factor, cost of investment and expected incomes (based off accurate data)
Divine right is one of many excuses used by monarchs of Europe to retain thier positions of power. It was claimed that God himself put them there. Of course, the intellectuals of the day pointed out that monarchies are formed from the most violent band of thugs, made by man, not God.
Divine right has not been used by the British monarchy for several hundred years.