Yesterday I received a WhatsApp photo of a pack of 60 eggs on a shelf for R239,99. If R4 an egg sounds expensive, feel free to do an online search and you will quickly find out that your nearest grocery store's stock is limited. But before you say this sounds like exploitation, think of it as supply and demand in action.

This episode is supported by the NWU Business School.

Errors and omissions are my own.