The Income Effect in Figure 3.16 (Movement from A to C)
In Figure 3.16, the income effect is defined as the change in choice represented by the horizontal movement from point A, the 1900 choice at (16 hours, $38), to the hypothetical point C at (20.5 hours, $103). This shift illustrates the increase in free time (from 16 to 20.5 hours) that would result purely from an income increase sufficient to reach the 2020 utility level, while keeping the opportunity cost of leisure at the original 1900 level.
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Introduction to Microeconomics Course
The Economy 2.0 Microeconomics @ CORE Econ
Ch.3 Doing the best you can: Scarcity, wellbeing, and working hours - The Economy 2.0 Microeconomics @ CORE Econ
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The Income Effect in Figure 3.16 (Movement from A to C)
The Substitution Effect in Figure 3.16 (Movement from C to D)
Consider a model analyzing a worker's choice between daily consumption and hours of free time. An initial optimal choice is shown. After a wage increase, a new optimal choice is made, resulting in a higher level of satisfaction (utility). To analyze this change, a hypothetical point is constructed. This point lies on the new, higher indifference curve, but it is located at a point of tangency with a budget line that is parallel to the original budget line. What is the primary analytical purpose of constructing this hypothetical point?
A worker's hourly wage increases, leading them to choose a new combination of free time and daily consumption that provides a higher level of overall satisfaction. To analyze this change, a hypothetical choice point is constructed. This point lies on the curve representing the new, higher level of satisfaction. Which of the following must also be true about this hypothetical point for it to correctly isolate the different effects of the wage change?
Deconstructing a Change in Labor-Leisure Choice
A worker's hourly wage increases, leading to a change in their optimal choice between daily consumption and free time. To analyze this change, economists identify three key points: the Initial Choice (before the wage increase), the Final Choice (after the wage increase), and a Hypothetical Choice (used for analytical purposes). Match each point with its correct description.
When analyzing a worker's response to a wage increase, a hypothetical choice point is often constructed. This point is located on the worker's new, higher indifference curve (representing their final level of satisfaction). Which statement accurately describes the budget line that would be tangent to the indifference curve at this specific hypothetical point?
When analyzing a worker's response to a wage increase, a hypothetical choice point is constructed to isolate different economic effects. This hypothetical point represents the combination of consumption and free time the worker would choose if they were given just enough extra income to reach their new, higher level of satisfaction, but at the original, lower wage rate.
Identifying the Hypothetical Choice Point
The Role of a Hypothetical Choice in Economic Analysis
Consider an analysis of a worker's choice between consumption and free time when their hourly wage decreases. To separate the resulting change in their choice into two distinct economic effects, a hypothetical choice point is constructed. This hypothetical point would be located on the new, lower indifference curve at a point of tangency with a budget line that is parallel to the original, higher-wage budget line.
When a worker's hourly wage increases, they typically choose a new combination of consumption and free time that yields a higher level of satisfaction. To analyze this behavioral change, economists construct a hypothetical scenario. In this scenario, a new budget line is drawn that is parallel to the original budget line but is just tangent to the indifference curve representing the final, higher level of satisfaction. What does the total income associated with this hypothetical budget line represent?
Historical Application of Income-Substitution Decomposition (Figure 3.16)
The Overall Effect in US Historical Data (Movement from A to D)
US Work-Leisure Choices in 1900 vs. 2020 (Figure 3.16)
Point A (1900) in Figure 3.16 as an Optimal Choice
Point D (2020) in Figure 3.16 as an Optimal Choice
The Income Effect in Figure 3.16 (Movement from A to C)
Point C as a Hypothetical Optimal Choice in Figure 3.16
The Substitution Effect in Figure 3.16 (Movement from C to D)
Real Wage as the Slope of the Budget Constraint in Figure 3.16
Inferring Worker Preferences in the US Historical Model (Figure 3.16)
Learn After
Dominance of the Income Effect in US Work-Leisure Choices (1900-2020)
An individual's choices between daily free time and daily consumption are shown in a model. Initially, the individual chooses Point A (16 hours of free time, $80 of consumption). After their wage rate increases, their new choice is Point B (18 hours of free time, $150 of consumption). Point C (20 hours of free time, $120 of consumption) is a hypothetical point on the new indifference curve that represents the choice they would have made with the original wage rate but with just enough income to reach the new level of satisfaction. Based on this information, what is the change in daily free time that can be attributed purely to the income effect?
Isolating the Income Effect
Analyzing a Change in Work-Leisure Choice
When analyzing the impact of a wage increase on an individual's choice between consumption and free time, the income effect is defined as the change in the amount of free time chosen that results from the change in its opportunity cost, while holding the individual's overall satisfaction constant.
An economic model analyzes a worker's response to a wage increase. Initially, the worker chooses 17 hours of free time per day. After the wage increase, they choose 19 hours. To understand this change, a hypothetical scenario is considered where the worker's purchasing power increases to the new level, but the opportunity cost of free time is kept at the original, lower rate. In this hypothetical scenario, the worker would choose 20 hours of free time. The change from 17 to 20 hours of free time is known as the _________.
An economic model shows an individual's response to a wage increase. Initially, at Point X, the individual chooses 16 hours of free time. After the wage increase, their final choice is Point Z, with 17 hours of free time. A hypothetical Point Y is constructed on the new indifference curve, representing the choice of 19 hours of free time that would be made at the original wage rate but with the new level of purchasing power. Match each economic effect to the change in free time it represents.
Deconstructing the Income Effect on Leisure Choice
An economist wants to isolate the income effect resulting from a wage increase on an individual's choice of free time. Arrange the following analytical steps into the correct logical sequence.
In an economic model analyzing an individual's response to a wage increase, economists construct a hypothetical choice point. This point lies on the new, higher indifference curve (representing the satisfaction level after the wage increase) but is located where the slope of the indifference curve is equal to the slope of the original, pre-increase budget constraint. What is the primary analytical purpose of constructing this specific hypothetical point?
When analyzing an individual's choice between leisure and consumption following a wage increase, the income effect is correctly isolated by identifying the optimal bundle on the original indifference curve that is tangent to a hypothetical budget line reflecting the new wage rate.