The Basic Demand/Supply Model

 

1. Define market demand, market supply, and equilibrium. Show how these concepts can be illustrated on a basic demand/supply graph.

2. Discuss the differences between the short run equilibrium and long run equilibrium from the perspective of producers and from the perspective of consumers. Why do you think it is important for managers to understand the mechanics of supply and demand in the short run and in the long run? Give an example of a company whose business was either helped or hurt by changes in supply or demand in the markets in which they were competing.

3. For each of the following products, indicate whether you believe demand will be relatively price elastic or relatively price inelastic. Give economic reasons for each reply. Remember that high demand does NOT imply high elasticity. High elasticity occurs if a change in quantity demanded is relatively large compared to the associated change in price regardless of how high the quantity demanded is to begin with.

a. Mayonnaise in general

b. A specific brand of mayonnaise

c. Chevrolet automobiles

d. Tesla automobiles

e. Washing machines

f. Beer

 

Sample Solution

The Basic Demand/Supply Model

Market demand describes the demand for a given product and who wants to purchase it. This is determined by how willing consumers are to spend a certain price on a particular good or service. Supply market is the summation of the individual supply curves within a specific market. The market supply curve is an upward sloping curve depicting the positive relationship between price and quantity supplied. Equilibrium is the state in which market supply and demand balance each other, and as a result prices become stable. Generally, an over-supply of goods or services causes prices to go down, which results in higher demand, while an under-supply or shortage causes prices to go up resulting in less demand.

unskilled labor affixed to agriculture in LDCs, the high increase in productivity means the country would be able to export primary goods and in turn gain access to foreign exchange* i.e hard currency. We will discuss the use of foreign exchange at a later stage in the essay. INDUSTRIAL POLICIES A late developing state broadly needs two steps to become a successful sustainable industrial growing economy. The first step would be bringing Industry up to par with global competitors, and the second would be introducing competition as a mechanism to increase discovery. The former obviously needs to precede the latter for effective and sustained growth. In the interest to achieve the goal of brining domestic industries up to par, the state would need to bring about successful ‘Import substitution’, which can be done through levying two major policies –Tariff Protection and Subsidies. Tariff protection is fiscally most feasible way to promote the sunrise industry in the country. High import tax on automobiles in Japan after World War II is an example of how a state policy can nozzle the imports into the country. This effort was made to give a boost to Import Substitution. Japan’s automobiles may be a popular case of high import tariffs, but long before that, Britain in the 14th century, had aggressively shielded it’s infant industry in the same method, and levied high tariffs on manufacturing products even as late as the 1820s (Chang, H.J., 2010).

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