B is for Banking

Banks are like good hygiene, like brushing teeth and wearing underwear. A thankless resource, though someone needs to do it. People don’t like bankers, but they need them. People don’t like bankers because they need them. I explained why in the second post I ever wrote. But how does banking work?

Gringott’s Vault at Warner Bros. Studio tours, London

What Is a Bank?

Essentially, banks take your money and give it to somebody else. You could put your money in a sock under the mattress, but it’s a bit safer to choose someplace with big steel vault doors and complicated locks. Like Gringott’s. A bank might hold a Philosopher’s Stone, the royal treasury of the Lannisters, or the wealth of the InterGalactic Empire (who had Storm Troopers handling security). Modern banks spend huge sums on strong encryption systems–online vault doors–to keep your money safe.

Suppose your cousin Marvin wants to open a business, a combination sushi and ice cream store. Hey, they both need ice, right?! That’s Marvin’s business plan. The bank gives your money to Marvin as a loan.

Two problems here. First, Marvin may need more dough than your puny deposits, so the bank has to convince more friends and gather enough deposits in order to give out loans. Secondly, you may need some of your money back before Marvin can attract enough customers. He’s trying–he’s got the slogan: Come for the Eels, Stay for the Sprinkles! This is called a problem of liquidity.

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