PROFESSOR COLIN MAYER, PIGGY BANK

On saving money and the surprising longevity of the Piggy Bank. 

https://www.youtube.com/embed/finUxBeQjq0

“Examples such as this are very valuable, considerably more so than the coins that they contained. The extraction of money was a very deliberate decision. There was a degree of commitment and irreversibility associated with dropping the coin in the slot”