Commodity money cans or foil pouches of mackerel fish fillets, which have a fairly standard cost and are easy to store. These may be exchanged for many services in prisons where personal possession of currency is prohibited. In situations where the commodity is metal, typically gold or silver, a government mint will often coin money by placing a mark on the metal that serves as a guarantee of the weight and purity of the metal. In doing so, the government will often impose a fee which is known as seigniorage. The role of a mint and of coin differs between commodity money
Political Order and Political Decay: From the Industrial Revolution to the Present Day Political Order and Political Decay: From the Industrial Revolution to the Present Day Political Order and Political Decay: From the Industrial Revolution to the Present Day is a 2014 book by Yoshihiro Francis Fukuyama, author of "The Origins of Political Order", written to shed light on political development in different regions. Fukuyama stresses the importance of the three pillars of the modern state, as described in the first volume: These ideas are exemplified throughout the first and the second part of the book via different cases. Fukuyama makes the argument that patronage behavior is rooted in the following biological roots: