The quality-price gap used in NIGHT WATCH is a very specific one that need not always apply to real-world cases. For example, if the 10-year boots cost $100, then there would be no gap.
xibochayThis is a reference to the Sam Vimes Boots Theory, sort of made famous by Terry Pratchett in one of his Discworkd novels. en.wikipedia.org/wiki/Boots_t...