This paper reflects on an economics simulation set in the fictional city of Atlantis, using the rental housing market to explore foundational microeconomic and macroeconomic principles. The paper examines how supply and demand curves shift in response to factors such as new housing construction and population growth, and how each shift produces a new market equilibrium. Drawing on the smartphone industry as a real-world analogy, the author explains price elasticity and consumer behavior. The paper also connects microeconomic concepts to broader macroeconomic phenomena, illustrating how aggregate demand, economic growth, and recession can each be understood through the mechanics of supply and demand curves.
The supply and demand simulation featured a number of different economic principles at work. In terms of microeconomic principles, two that were prominently featured were the relationship between supply and demand and the impact of these two variables on the price and availability of apartments in Atlantis, which was at the core of the simulation. Another microeconomic principle illustrated was price elasticity of demand. There were also macroeconomic principles outlined, as they affect supply and demand. One was overall population, its growth, and demographic change. These factors all contribute to the supply and demand characteristics of the Atlantis rental housing market. Another macroeconomic concept that came into play was equilibrium and the effects of price ceilings on both supply and demand.
External factors cause the supply and demand curves to shift. The supply curve shifts, for example, when there is new supply in the market. A new building would increase supply, causing the supply curve to shift outward, and the market would need to find a new equilibrium point. The demand curve shifts with factors like population growth. If Atlantis becomes a popular place to live, the demand curve will shift outward to reflect the additional people seeking housing there.
Each shift has effects on the equilibrium price, the quantity available, and the way people make their decisions. For example, an outward shift in the supply curve means there is more supply on the market. If demand has remained the same, the equilibrium price will need to drop. As this happens, more renters are enticed to enter the market because the price is lower, but by the same token the lower price might push a few suppliers out of the market. The result is a new equilibrium of supply, demand, and price for the market.
The same dynamic occurs when the population increases. The growing population creates an outward shift in the demand curve. This drives up prices and encourages more sellers to enter the market. Through this process, a new equilibrium point is established.
This exercise reinforced a great deal about supply and demand. A real-world product like smartphones provides a good example of how these concepts work. There used to be devices such as the BlackBerry and Palm, when demand was relatively low and prices were relatively high. Apple then introduced the iPhone, which caused a major shift in the demand curve but only a minor shift in the supply curve. So many people wanted one of these phones, and prices across the industry remained high.
Then Android phones came onto the market in many different forms. Demand for smartphones remained very high, but supply was increasing to match it. Some producers began to cut prices in order to entice buyers, while premium producers did not, but overall the average price of a smartphone decreased. Consumers became more price-sensitive, and lower prices enticed more people to own a smartphone, to the point where nearly everyone does. The supply and demand characteristics of the industry shifted several times over just a few years, producing corresponding changes in equilibrium price points.
"Microeconomic factors and equilibrium in markets"
"Aggregate demand, growth, and recession explained"
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