Pratique du Shadowing: Opportunity Cost and Tradeoffs - Apprendre l'anglais à l'oral avec YouTube

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♪ [music] ♪ - [Tyler] Once you master the economic way of thinking, you'll see the world in a very different way.
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♪ [music] ♪ - [Tyler] Once you master the economic way of thinking, you'll see the world in a very different way.
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Two fundamental economic concepts are everywhere you look: opportunity cost and tradeoffs.
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Let's start with opportunity cost.
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At this busy coffee shop, opportunity costs lie behind every decision.
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Like for Jenny -- she's here for her third date with Adam.
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Was that a good decision?
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After all, economics is all about studying decisions.
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Making a good decision is about comparing the benefits of that decision to the costs.
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The obvious costs for this date, for Jenny, were the Uber ride she paid for to get here and her grande chai tea latte with whole milk.
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But what's missing?
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Her opportunity cost.
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Opportunity cost means the value of the next best alternative.
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For instance, instead of going on her third date with Adam, Jenny could've been binge watching her favorite TV show.
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She might have been on a first date instead, with Roman.
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Or she might have been having breakfast with her very sweet sister.
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Let's say her next best option would have been breakfast with her sister.
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Does the benefit of this third date with Adam outweigh the opportunity cost?
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It might seem strange to think this way about romance, and it doesn't mean that it's about calculating every decision down to the last penny.
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Nonetheless, Jenny's time, attention, and energy -- those are scarce.
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And if she doesn't consider the alternatives at all, she might be wasting parts of her life.
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There's another fundamental related concept from economics: tradeoffs.
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Take these sprinklers in the ceiling of the coffee shop, for example.
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Adding sprinklers can make it safer during a fire, but they also can cost a lot of money to install.
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How much cheaper would the coffee be without them?
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In a world of scarce resources, one typically has to choose.
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There's a tradeoff -- safer buildings cost more, but that means the coffee can be more expensive.
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Hmm, the line is at the door here.
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Perhaps the owner has considered opening a second location.
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As the building code, however, becomes more stringent, the cost of opening an additional location goes up.
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It's not just the direct monetary costs of paying for things like sprinklers, it's also the opportunity costs of the extra time and effort to file permits, manage the work, and schedule inspections.
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A more stringent building code means a higher cost for opening up new businesses.
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And in turn, that higher cost can mean that fewer new businesses get opened.
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What's the right tradeoff between making buildings safer...
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and making it easier to launch new businesses?
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Once you see these tradeoffs, you'll find them everywhere you look: healthcare, food, the environment, education.
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One more decision to consider: if you're a teacher, should you spice up your economics class by checking out our free unit plan that uses this video?
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If you're a learner, should you watch another MRU video?
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Well, YouTube is full of entertaining videos, [cat meows] but please, of course, consider the opportunity costs.
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♪ [music] ♪

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Context & Background

In the video "Opportunity Cost and Tradeoffs," Tyler introduces viewers to fundamental economic concepts that shape decision-making in everyday life. He illustrates these concepts through relatable scenarios, such as Jenny's date choices, highlighting the importance of understanding opportunity costs and tradeoffs. By examining personal decisions, like choosing between social outings or alternative activities, viewers learn to apply economic reasoning to their everyday choices. This makes the content particularly valuable for learners aiming to enhance their English speaking skills by engaging with real-world contexts.

Top 5 Phrases for Daily Communication

  • Opportunity cost: The value of the next best alternative when making a decision.
  • Tradeoffs: The balance between the benefits of one option and the costs of another.
  • Making a good decision: Comparing the benefits and costs of a particular choice.
  • Scarce resources: Limited availability of time, money, or energy that requires making tough choices.
  • Higher costs: Increased expenses that may impact decisions and opportunities.

Step-by-step Shadowing Guide

To effectively improve your English speaking practice using this video, follow these steps:

  1. Watch with intention: Begin by watching the video once without interruption to grasp the overall message and context. Pay attention to how Tyler articulates his points.
  2. Focus on phrases: Rewind to the "Top 5 Phrases for Daily Communication." Listen to how each phrase is used in context and take note of their meanings. This will enhance your understanding of key economic concepts while enriching your vocabulary.
  3. Pause and repeat: As you listen, pause the video after each phrase. Repeat what Tyler says, mimicking his pronunciation and intonation. This is fundamental for improving English pronunciation.
  4. Engage in shadowing: Use the video as a shadowing site. Repeat Tyler’s phrases simultaneously as he speaks. Focus on matching his tone and rhythm. This technique is particularly effective in enhancing your fluency.
  5. Reflect and apply: After completing the shadowing practice, take a moment to reflect on how these concepts apply to your own decision-making. This can lead to meaningful conversations in English and develop your critical thinking skills.

By integrating these strategies, you can maximize your IELTS speaking practice while utilizing engaging content like this. Remember, learn English with YouTube can be an effective way to practice your skills in a fun and relevant way.

Qu'est-ce que la technique du Shadowing ?

Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.

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