So, having given up on compulsion, Frederick tried subtle persuasion. He established a royal potato patch in the grounds of his palace, and declared that it was to be a royal vegetable, that could only be consumed by members of the royal household or with royal permission.* If you declare something highly exclusive and out of reach, it makes us all want it much more – call it ‘the elixir of scarcity’. Frederick knew this and so posted guards around his potato patch to protect his crop, but gave them secret instructions not to guard the patch too closely. Curious Prussians found they could
...more
