Answer to Question 1
In the days before the invention of the printing press, most societies used something that is valuable itself as money, for example, gold, silver, chickens, and even goats. Today, in most of the world, money is fiat money. Fiat money refers to something that is used as money but is otherwise worthless and is typically backed by the government or the central bank of a country.
Answer to Question 2
Sondra has the absolute advantage in producing both goods, but Sondra only has comparative advantage in the production of bracelets, not pendants. Celia has a comparative advantage in the production of pendants. Sondra's opportunity cost of a bracelet is 1/5 of a pendant, and her opportunity cost of a pendant is 5 bracelets. Celia's opportunity cost of a bracelet is 1/4 of a pendant, and her opportunity cost of a pendant is 4 bracelets.
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Cat Got Money
Example of Index entry with Main Term and indented subterms.
The two main types of nerve cells.
There Is a Difference between Natural and Added Sugars
Estimates of the dates of origin and extinction of the three main groups of hominins (green, blue, a