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Econ 101 - Scarcity, Opp Cost, FOPs, thinking at the margin

Econ 1st 6wks Ch1

Gabriel Hernandez

on 13 September 2017

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Transcript of Econ 101 - Scarcity, Opp Cost, FOPs, thinking at the margin

Scarcity and Opportunity Costs
is the study of how people seek to satisfy their needs and wants by making choices.
is something necessary for survival such as air, food, or shelter.

is an item that we desire but that is not necessary to survive.

are items that are tangible, such as books, pens, salt, shoes, hats and folders.
are actions or activities that one person buys from another such as cleaning, haircuts, or fixing things.
are intangibles provided by other people, such as doctors, lawn care workers, dentists, barbers and waiters.
always exists because the needs and wants of people are always greater than the supply of goods and services. There is a limited supply of resources to meet unlimited wants, and competition exists for these goods & services.
are all the
that we give up whenever we choose one action over another.

What will you do with your time this evening?
video games
social media
studying Economics on Mr. H's Google Classroom page

Opportunity cost
is the most desirable object or activity that you give up when you make a decision.; it is the value of what is given up to obtain something else
For example . . .
If you choose to buy a home theater instead of going to Hawaii, then the vacation is the opportunity cost (lost).
You can save money on a flight by making a connection (stop) along the way. A direct flight would be faster and more convenient, but more expensive. The time and convenience you lose are the opportunity cost.
We can use a Decision-Making Grid (p.10) to help make decisions about Opportunity Cost.
Think about what course of action you took that resulted in your assignment to ALC-W.
What are the trade-offs (all alternatives) & opportunity cost (most desirable alternative given up)?
What would the trade-offs & opportunity cost be if you continue to make similar choices in the future?
We must think about the benefits to be gained, and what will be lost (the opportunity cost).
They also consider
thinking at the margin
When economists think about a decision they look at opportunity plus other factors.
thinking at the margin is when someone decides how much more, or how much less
Economic Common Sense Rule:
You can't have (possess) your cake & eat it too.
You must choose whether to possess the cake or to eat it, but you can't have it both ways . . . there is a
Opportunity cost
represents the most desirable thing you give up when you make a decision.

Remember . . . there is always a COST and a BENEFIT to each decision.
is different from scarcity.
A shortage occurs when producers will not or cannot offer goods or services at the current prices.
A shortage occurs when there is excess demand; therefore, it is the opposite of a surplus
Before a hurricane a customer may find store shelves empty, and then return 7 days later and they are completely filled.
A shortage may be short-term or long-term.
The student can't pick both because of the scarcity of time . . . the time can only be occupied in one way.
Factors of Production
, or factor resources. The factors are
land, labor, capital , and entrepreneurship

- refers to all natural resources used to produce goods & services.
fertile land for farming
(3) Capital
- any human effort used to produce other goods or services. There are 2 types of capital as . . .
(3a) Physical Capital
(capital goods) - human made objects that will produce services more efficiently
(3b) Human Capital
- people investing in themselves to become better at their jobs
Look at these jobs that we've already discussed.

Which ones require the most manual labor? Rank them from hardest to easiest regarding labor
Which one requires the most human capital? Rank them in order from most to least human capital.
Which one do person do you think will get paid the most during their lifetime? Why?
The SECOND factor of production is


- any effort for which a person is paid. Such as . . .
medical aid
garbage collecto
factory worker
The THIRD factor of production is capital.
wind and other resources
Entrepreneurship is the 4th factor of production.
Lets look at production factors for popcorn
is needed to grow the corn
are needed to harvest the corn, to package it, sell it, and to pop the corn.
are needed to prepare and served the popcorn.
Is this a need?
Does this person have different needs than you? Explain.
Today we will begin our introduction into the foreign language of Economics. Words such as peak, shortage, need, and demand don't necessarily have the same meaning as they do in everyday English.
is needed to start the business in the first place.
There are 2 types of
consumer goods:
Durable goods
that last for a long time (refrigerators, cars, stereos, etc.). Durable goods are typically characterized by long interpurchase times - the time between two successive purchases.
Non-durable goods
that last a short time (food, light bulbs, running shoes). A non-durable good is defined as a product that lasts 3 years or less.
Capital goods
are goods used in the production of other goods, rather than purchased by consumers.
You can also apply the concept of scarcity to in Houston, Texas in 2017. You go first . . . Please tell me some things that are limited in supply, even though they have high demand?
Now it's my turn . . . There is a scarcity level of attractive people.
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