Helyn 
The term Uncle Sam is used to refer to the United States federal government or to the country itself. The origin of the term is unclear, but it is believed to have come into use during the War of 1812. One popular theory is that the term Uncle Sam was derived from the initials “U.S.” … Read more
The concept of marginal utility emerged in the XNUMXth century to define the additional satisfaction or derived benefit that a buyer obtains from consuming an extra unit of a good or service. This variable, essential to understand the economía, is used by experts to set the exact amount of product that an individual will buy. … Read more
