Tools Used by Economists

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Questions and Answers

What is one of the most effective tools that economists use?

  • The ethical method
  • The scientific method (correct)
  • The legal method
  • The historical method

What does the scientific method involve?

  • Analyzing data before posing a question
  • Evaluating the hypothesis before developing it
  • Developing speculations and theories without evidence
  • Conducting studies to collect information (correct)

Why do economists need a set of tools?

  • To complicate decisions
  • To simplify economic events (correct)
  • To avoid examining economic events
  • To complicate economic events

What is the main purpose of graphs for economists?

<p>To simplify and visualize economic data (D)</p> Signup and view all the answers

What is one step in the scientific method?

<p>Conducting studies to collect information (D)</p> Signup and view all the answers

What is an economic model used for?

<p>To simplify and represent economic events (A)</p> Signup and view all the answers

What is an economist's primary challenge when testing theories?

<p>Lack of experimental data (B)</p> Signup and view all the answers

How do economists compensate for the lack of experimental data?

<p>By analyzing existing and historical data (A)</p> Signup and view all the answers

What did the repeal of the law on national maximum speed limit allow economists to do?

<p>Analyze how transportation costs varied before and after the speed limit changed (C)</p> Signup and view all the answers

How do economists use graphs to simplify the complex world?

<p>To represent the relationship between two sets of data visually (D)</p> Signup and view all the answers

What do economists refer to as homo economicus?

<p>A model for understanding human behavior in economics (A)</p> Signup and view all the answers

What is the primary purpose of an economic model?

<p>To provide a simplified representation of reality (D)</p> Signup and view all the answers

In which year did Congress repeal the law on national maximum speed limit?

<p>1995 (B)</p> Signup and view all the answers

What is the significance of the curve in Graph 3 (Figure 1.3)?

<p>It represents the relationship between education and income (D)</p> Signup and view all the answers

"One of an economist’s most important tools is the graph" can be found in which section of the text?

<p>Section on Graphs: Two-Dimensional Representations of a Three-Dimensional World (D)</p> Signup and view all the answers

What type of line is considered a curve on a graph?

<p>Straight lines and curved lines are both considered curves on a graph. (A)</p> Signup and view all the answers

How did the repeal of the law on national maximum speed limit impact economists?

<p>It gave economists the chance to analyze how transportation costs varied before and after the speed limit changed. (C)</p> Signup and view all the answers

What is the rational-behavior model based on?

<p>The pursuit of self-interest as described by Adam Smith (B)</p> Signup and view all the answers

What does the rational-behavior model not deal with?

<p>Social values like charity (B)</p> Signup and view all the answers

What does 'ceteris paribus' mean in the context of economics?

<p>Other relevant factors remaining unchanged (D)</p> Signup and view all the answers

What is the purpose of using 'ceteris paribus' in economic models?

<p>To focus on understanding one aspect of the mystery (B)</p> Signup and view all the answers

In what way do economic models aid in making predictions?

<p>By examining effects one change at a time (C)</p> Signup and view all the answers

What is the theory behind the rational-behavior model?

<p>People make decisions based on their own self-interest (A)</p> Signup and view all the answers

What does the rational-behavior model work well at predicting?

<p>How people generally react to incentives or use cost-benefit analyses (A)</p> Signup and view all the answers

According to the passage, why do economists create models?

<p>To explain and predict how the economy operates (B)</p> Signup and view all the answers

What does the invisible hand concept refer to?

<p>'Invisible hand' guiding self-interested market activity (D)</p> Signup and view all the answers

What does Adam Smith's description imply about the businessperson's intentions?

<p>He intends only his own gain and is led by an 'invisible hand' to promote an end beneficial for society. (A)</p> Signup and view all the answers

What is the primary purpose of economic models according to the passage?

<p>To aid in examining effects one change at a time and making predictions about the consequences of that change. (A)</p> Signup and view all the answers

What is the invisible hand concept in Adam Smith's description?

<p>Self-interested market activity ends up benefiting all of society. (A)</p> Signup and view all the answers

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