Contrasting Market Stability and Instability
Consider two different markets. In Market A, a temporary supply disruption causes the price to increase, but over the next several periods, the price gradually returns to its original level. In Market B, a similar disruption causes the price to increase, and in subsequent periods, the price continues to move further and further away from its original level. Analyze the underlying feedback mechanisms at play in each market. In your analysis, explain how the relationship between the price dynamics curve and the 45-degree line would differ for Market A compared to Market B.
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Dampened Market Correction via Negative Feedback Following a Minor Expectation-Driven Demand Shift
Figure 8.11: Dampened Price Shock and Stable Equilibrium
A market for a particular good has a long-run equilibrium price of $50 per unit. A sudden, temporary shortage causes the price to spike to $70 in one period. In the following periods, the price is observed to be $60, then $55, then $52.50. Which of the following statements best analyzes this market's behavior?
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The Mechanism of Stable Equilibrium
Contrasting Market Stability and Instability
If a market's price dynamics are represented by a curve that is steeper than the 45-degree line, any small deviation from the equilibrium price will trigger a self-correcting process that returns the price to its original level.
Match each market characteristic or event with its correct implication regarding price stability.
A market is in a stable equilibrium when a temporary supply disruption causes the price to jump above its long-run level. Arrange the following events in the correct chronological order to show how negative feedback restores the market to its original equilibrium.
For a market equilibrium to be considered stable, any price deviation must trigger a corrective process. This is represented graphically by a price dynamics curve that is flatter than the 45-degree line, which ensures that ______ feedback will guide the price back towards its initial level.
Analyzing Price Dynamics with a Linear Model
In a particular market, the long-run equilibrium price for a product is $100. Market analysts have determined that after a price deviation, the price in the next period adjusts to close half the gap between the previous period's price and the equilibrium price. For example, if the price were $110, the gap is $10, so the price would fall by $5 to $105 in the next period.
Suppose a temporary supply disruption causes the price to jump to $140. Based on the described adjustment process, what will the price be in the subsequent period, and what does this indicate about the market's equilibrium?