Fallacy of Composition
The fallacy of composition is the logical error of assuming that something true for an individual component must also be true for the whole group. In economics, this is often seen when individual rational actions lead to negative collective outcomes. For instance, while a single household can successfully save more by anticipating misfortune, if all households do so simultaneously during a recession, their collective action can worsen the downturn. This occurs because, in an economy, spending and earning are interlinked: one person's expenditure becomes another person's income. A widespread reduction in spending thus leads to a widespread reduction in income and employment.
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Introduction to Macroeconomics Course
Ch.5 Macroeconomic policy: Inflation and unemployment - The Economy 2.0 Macroeconomics @ CORE Econ
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The Paradox of the Invisible Hand
The Paradox of Thrift
Fallacy of Composition
A single farmer who has a bumper crop and produces significantly more food will likely see their income increase. If, due to perfect weather, all farmers in a region have a bumper crop and the total amount of food produced increases dramatically, what is the most likely impact on the total income for the farming sector as a whole?
A single firm can increase its competitiveness and profits by reducing the wages it pays its workers. Therefore, if all firms across the economy reduce the wages they pay, total business profits for the economy as a whole will necessarily increase.
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Individual Prudence vs. Collective Outcome
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For each individual action described, match it with the most likely outcome if that same action were taken by everyone in the economy simultaneously.
While a single household can improve its financial position by paying off its debts, if all households in an economy attempt to do so simultaneously by drastically reducing their spending, this can lead to a widespread drop in incomes. This collective action paradoxically makes it ____ for the average household to become debt-free.
A key challenge in studying the economy is that an action that is beneficial for an individual may have a very different result when everyone takes that same action. Arrange the following statements to reflect the logical progression of reasoning an economist would use to analyze this type of situation and uncover a potential counter-intuitive outcome.
Critiquing an Economic Argument
A single country can often improve its trade balance and protect its domestic industries by imposing tariffs on imported goods. Based on the principles of how a large-scale economy behaves, what is the most likely outcome if every country in the world simultaneously imposes significant tariffs on all imports?
An Integrated Model of the Aggregate Economy
Learn After
The Paradox of Thrift
An economic commentator states: "If a single person in a crowded stadium stands up, they can see the event better. Therefore, if everyone in the stadium stands up, everyone will be able to see better." Which of the following best identifies the fundamental error in this reasoning?
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A policy that encourages every individual firm to cut costs by reducing wages will necessarily lead to an increase in total profits for the entire industry.
Individual vs. Collective Economic Actions
Evaluating an Economic Argument
A single farmer who produces a bumper crop will likely see an increase in their income. However, if all farmers in a country produce a bumper crop, the resulting surge in supply often leads to a sharp drop in prices, potentially causing the total income for all farmers to decrease. This outcome, where an action that is beneficial for one individual is detrimental when done by everyone, illustrates a key economic concept. Which of the following best describes this concept?
For each individual action on the left, match it to the most likely outcome on the right that would occur if everyone in the relevant group took the same action.
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When an action that is beneficial for an individual, such as a single company cutting prices to gain market share, becomes harmful when all individuals or companies do it at the same time, this demonstrates an error in economic reasoning known as the ____.
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