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Assumption of Unplanned Inventory Investment
A key assumption used to distinguish between planned and unplanned expenditure in macroeconomic models is that all changes in business inventories are treated as unplanned. Because aggregate demand is defined as the total of all planned spending in the economy, this assumption means that inventory investment is not included as a component in its calculation.
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Introduction to Macroeconomics Course
Ch.3 Aggregate demand and the multiplier model - The Economy 2.0 Macroeconomics @ CORE Econ
The Economy 2.0 Macroeconomics @ CORE Econ
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Investment Volatility as a Driver of Business Cycles
Multiplier Process
Output Adjustment Assumption in the Multiplier Model
Simplified Multiplier Model (Closed Economy without Government)
Assumption of Unplanned Inventory Investment
The 45-Degree Line as a Representation of Goods Market Equilibrium
Empirical Investigation of the Multiplier
Role of the Marginal Propensity to Consume in Determining the Multiplier's Size
A Two-Household Model for the Multiplier
Variability of the Multiplier in Practice
Output Determination by Aggregate Demand
Direct and Indirect Effects of an Aggregate Demand Shock
Conditions for a Multiplier Less Than One
Fall in Business Confidence as a Trigger for the Multiplier Process
An economy experiences a sudden, one-time increase of $50 billion in autonomous investment spending on new factories. Assuming no other changes, what is the most likely ultimate effect on the economy's total output as described by the multiplier model?
Comparing Economic Responses to a Spending Shock
A wave of pessimism about the future of the economy causes firms to significantly reduce their spending on new machinery and buildings. According to the logic of the multiplier model, arrange the following events in the chronological sequence that would follow this initial shock.
Analysis of the Economic Amplification Effect
Explaining the Amplification of Spending
According to the multiplier model, if a government reduces its spending by $100 million to balance its budget, the total output of the economy will also decrease by exactly $100 million, as the reduction in demand is directly offset by the decrease in government expenditure.
Match each stage of the economic process described below with its correct description, illustrating how an initial change in spending is amplified.
In a simplified economy, a firm spends an initial $1,000 on new machinery. This $1,000 becomes income for the machinery's producers. If these producers, in turn, spend 80% of this new income on other goods and services, this second round of spending will add an additional $____ to the economy's total demand.
Evaluating Economic Stimulus Policies
An economy experiences a $10 billion increase in autonomous investment. In which of the following scenarios would this initial change in spending lead to the largest total increase in national output?
Demand-Determined Output Assumption of the Multiplier Model
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In a simplified economy, firms produce a total output valued at $800 million. During the same period, total planned spending (the sum of what households plan to consume and what firms plan to invest in new capital) is calculated to be $780 million. Based on the conventions of national income accounting, how does this situation affect business inventories?
Planned vs. Unplanned Investment
In a macroeconomic model where equilibrium occurs when total output equals total planned expenditure, a situation where businesses sell more goods than they produced during a period results in a positive and planned inventory investment.
Interpreting Inventory Signals
Calculating Unplanned Inventory Change
The Role of Unplanned Inventories in Economic Adjustment
Match each economic scenario with the resulting change in business inventories, based on the principle that all inventory changes are considered unplanned.
In a given period, an economy's firms produce a total output of $500 billion. During the same period, the total of all planned spending (by households, firms for new capital, and government) amounts to $520 billion. What is the immediate result for business inventories, and what does this signal to firms about future production levels?
An economy is initially in a state where total production exceeds total planned spending. Arrange the following events in the logical sequence that describes how the economy adjusts.
In macroeconomic models, the difference between the total value of goods and services produced in an economy and the total amount of planned spending is defined as ____ inventory investment.
Aggregate Demand (AD)