I can just picture a discworld-esque economy burgeoning out of this little initiative:
A suburb in central China’s Henan province has set a bounty on dead flies in an attempt to promote public hygiene. The district of Xigong, which is in the city of Luoyang, paid more than 1,000 yuan (£65) for about 2,000 dead flies on 1 July, the day it launched the scheme with the aim of encouraging cleanliness in residential areas. – China Economics Blog
My Discworld quote book is back at home, so I don’t have it on me.
The story is an illustration of the industries powerhouse nature of Ankh-Morpock. During the plague, city officials announced a bounty on rats’ heads, with the hope of decimating the plague at its source. however despite paying record bounties each day, the rat problem never seemed to go away.
Then one clever official came up with a plan. “Tax the rat farms”, he says…
You can find a similar story “The Legend of the Rat Farmer“..