The Economics of a Bad Egg

1000 Year Old Egg“I want to know why you have permitted this abominable and unnatural traffic in slaves to grow up here, contrary to the ancient custom and usage of our dominions.”
“Necessary, unavoidable,” said his Sufficiency. “An essential part of the economic development of the islands, I assure you. Our present burst of prosperity depends on it.”
….
“I do not see that it brings into the islands meat or bread or beer or wine or timber or cabbages or books or instruments of music or horses or armour or anything else worth having. But whether it does or not, it must be stopped.”
“But that would be putting the clock back,” gasped the governor. “Have you no idea of progress, of development?”
“I have seen them both in an egg,” said Caspian. “We call it ‘Going Bad’ in Narnia. This trade must stop.”

from The Voyage of the Dawn Treader by C.S. Lewis