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To form a comprehensive macroeconomic framework, the demand-side perspective, represented by the multiplier model which explains economic fluctuations via shifts in aggregate demand, is combined with the supply-side model (WS-PS). This integrated approach allows for an analysis of the connections between aggregate demand, unemployment, and inflation.

Integrating Demand-Side (Multiplier) and Supply-Side (WS-PS) Models

Analyze the short-run and medium-run consequences of this surge in investment. In your analysis, explain how output, unemployment, and the price level adjust as the economy moves from its initial equilibrium to a new medium-run equilibrium.

Analyzing an Economic Shock

An economy is in a medium-run equilibrium where output is stable and inflation is zero. Suddenly, the government launches a large-scale infrastructure spending program. Assuming no immediate policy response from the central bank, which of the following best describes the chain of events that will unfold?

An economy is initially at its medium-run equilibrium, where output is at its potential level and inflation is stable. The government implements a policy of fiscal consolidation by permanently reducing its spending. Analyze the short-run and medium-run consequences of this policy on output, unemployment, and inflation. Explain the key mechanisms that drive the economy's adjustment from the initial shock to the new medium-run equilibrium.

Short-Run vs. Medium-Run Effects of a Fiscal Contraction

An economy is operating at its medium-run equilibrium with stable prices. A sudden, permanent increase in consumer confidence boosts aggregate demand. In the absence of any immediate policy intervention, explain the mechanism that causes the price level to continuously rise over time as the economy adjusts.

The Inflationary Spiral Mechanism

An economy is initially in a medium-run equilibrium with stable output and zero inflation. Suddenly, there is a permanent increase in autonomous investment by firms. Arrange the following events in the logical sequence that describes the economy's adjustment process.

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