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The formation of inflation expectations is influenced by two key elements: how individuals and firms make decisions about the future and how they process and understand signals from current prices.

Factors Shaping Inflation Expectations

Analyze the following scenario and explain how the two main developments would likely interact to shape inflation expectations among the public. In your analysis, determine which factor is likely to have a more dominant effect and justify your reasoning.

Inflation Expectations in Econlandia

Imagine two economies, A and B. In Economy A, individuals and firms form their expectations about future price increases primarily by looking at the price increases that have occurred over the past few years. In Economy B, they primarily base their expectations on the central bank's official announcements and long-term policy goals. Analyze how a sudden, unexpected increase in energy prices would likely affect wage negotiations and price-setting behavior differently in these two economies over the short to medium term.

Analysis of Expectation Formation Mechanisms

An economist observes two individuals, Alex and Ben, reacting to a recent, unexpected 5% increase in the price of gasoline. Alex revises their long-term inflation expectation upwards significantly, believing this is a sign of sustained high inflation. Ben, however, looks at the central bank's long-term inflation target and recent statements, and their long-term inflation expectation remains unchanged. Briefly explain the primary difference in how Alex and Ben are likely forming their inflation expectations, based on the two key elements that shape this process.

Contrasting Inflation Expectation Formations

Match each theory of how inflation expectations are formed with its core principle.

Consider an economy where the central bank has a long-standing, credible reputation for controlling inflation and has just reiterated its firm commitment to a 2% annual inflation target. In the same month, a temporary disruption to global oil supplies causes the price of gasoline to jump by 40%. Based on the primary factors that shape inflation expectations, which of the following outcomes is most likely for the public's expectation of inflation over the next year?

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