If you’ve taken any form of economics course, you have probably heard the phrase mutually beneficial voluntary transactions. As I will continue to say, however, you don’t need a degree in economics to understand its principles. Essentially they are the foundation of a free market economy. As usual, I will let a simple example do most of the explaining. Through the years, I have found that generally this is the easiest way to understand the basic principles of economics.

OK, so let’s say I go to the grocery store and buy a gallon of milk for $4 (I actually bought 2 gallons yesterday). Obviously I don’t know the exact market price of milk, so I rounded to an even $4. When I check out at the register, putting tax aside, I hand the cashier $4, and take my gallon of milk with me. Now, let’s look at why the transaction actually took place. Simply put, I valued the gallon of milk more than my $4, while the cashier or the grocery store itself values my $4 more than the gallon of milk. Each party stands to gain something from the transaction (benefit), thus it is considered mutually beneficial. A slightly less obvious but equally important idea here is that all of these types of transactions are voluntary, meaning each party actively engages in it and it is not forced. These concepts are the fundamental definition of a free market economy in which transactions are not forced. Obviously one of the largest, most meaningful examples of a mutually beneficial voluntary transaction is international trade in regards to imports and exports.

The primary factor that determines of the number of transactions that take place in any particular free market economy is price. Let’s assume that on any given day at any given grocery store, the price of of a gallon of milk is $5. At this price, 20 people are still willing to buy the milk. As price increases, quantity supplied increases, so the grocery store, wanting to increase their profit, produces 40 gallons of milk. Since the demand for milk at the price of $5 is only 20 people, however, only 20 transactions will take place. This situation is called a surplus, because quantity supplied is greater than quantity demanded. Remember that these are mutually beneficial voluntary transactions. On the other hand, if the grocery store for some reason lowered the price to $3 per gallon, more people would be willing to buy milk at that price (we’ll say 40 people) but the grocery store would lower the quantity supplied to 20, so only 20 transactions would take place. This situation is known as a shortage in that quantity supplied is less than quantity demanded. Thus the maximum number of transactions occurs at a price of $3, called the equilibrium price.

Congratulations, you now have a better understanding of mutually beneficial voluntary transactions than most politicians and the United States government.

Source by Tyler Williamson

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