Title: SCARCITY AND ABUNDANCE
1SCARCITY AND ABUNDANCE
2Unit 1, Lesson 2Visual 1Two Definitions of
Scarcity
- A situation in which human wants are greater than
the capacity of available resources to provide
for those wants. - A situation in which a resource has more than one
valuable use.
3Unit 1, Lesson 2Activity 1Which Examples
Illustrate Scarcity?
- A Old Economics textbooks collected in a
bookcase near the teachers desk with a sign that
says, Free books, take as many as you want. The
books have been there for three years.
4Unit 1, Lesson 2Activity 1Which Examples
Illustrate Scarcity?
- A Answer
- Not Scare
- No Alternative use
5Unit 1, Lesson 2Activity 1Which Examples
Illustrates Scarcity?
- B Old economics textbooks collected in a
bookcase near the teachers desk with a sign that
says, Free books, take as many as you want.
Another sign posted in the hallway says, 10
paid for any recycled textbook. Bring books to
the Principals office.
6Unit 1, Lesson 2Activity 1Which Examples
Illustrates Scarcity?
- B Answer
- Scarce
- The books may be read or they may be recycled.
Two alternative uses
7Unit 1, Lesson 2Activity 1Which Examples
Illustrate Scarcity?
- C One economics textbook, five students who wish
to do well in the economics course, and an
important test in class the next day.
8Unit 1, Lesson 2Activity 1Which Examples
Illustrate Scarcity?
- C Answer
- Scarce
- The one book could be used by five different
people it has alternative uses
9Unit 1, Lesson 2Activity 1Which Examples
Illustrate Scarcity?
- D One economics textbook, five students who are
not taking economics, and an important test in
class the next day.
10Unit 1, Lesson 2Activity 1Which Examples
Illustrate Scarcity?
- D Answer
- Not Scarce
- Same number relationship, but the information in
the book is not valuable to the five students
11Unit 1, Lesson 2Activity 1Which Examples
Illustrate Scarcity?
- E Petroleum in Japan, a country without its own
oil fields or oil reserves
12Unit 1, Lesson 2Activity 1Which Examples
Illustrate Scarcity?
- E Answer
- Scarce
- Petroleum has many valuable uses in Japan
13Unit 1, Lesson 2Activity 1Which Examples
Illustrate Scarcity?
- F Patroleum in Saudi Arabia, a country with many
oil fields and oil reserves.
14Unit 1, Lesson 2Activity 1Which Examples
Illustrate Scarcity?
- F Answer
- Scarce
- Petroleum has many valuable uses in Saudi Arabia,
and it can be sold to people in other countries.
Several valuable uses.
15Unit 1, Lesson 2Activity 2Are People Treating
Resources as Scarce
- A Water fountains in Rome flow continuously with
water carried by viaducts from the Italian
mountains. - People walking in Rome quench their thirst by
drinking from the fountains. - But most of the water flows into the street and
down the drains to a river that passes through
the city.
16Unit 1, Lesson 2Activity 2Are People Treating
Resources as Scarce
- A Answer
- Scarce resources treated as not scarce
- The water has other valuable uses, such as
irrigation or sewer treatment.
17Unit 1, Lesson 2Activity 2Are People Treating
Resources as Scarce
- B At closing time, restaurants in the U.S. are
required to throw away all uneaten food. - To meet health standards for food preparation and
the safety of consumers, the food cannot be
stored for use the next day. - Also, the law prohibits restaurant employees from
giving the food to the poor or dispersing it to
local food banks.
18Unit 1, Lesson 2Activity 2Are People Treating
Resources as Scarce
- B Answer
- Scarce resources treated as not scarce
- The food could feed the hungry it could be
stored for future consumption or it could be
used as compost to improve soil conditions in
gardens
19Unit 1, Lesson 2Activity 2Are People Treating
Resources as Scarce
- C Oxygen is taken from the air and stored in
containers. - When divers wish to stay underwater for long
periods of time, they purchase container-stored
oxygen and breathe from it during their
underwater activities.
20Unit 1, Lesson 2Activity 2Are People Treating
Resources as Scarce
- C Answer
- A difficult example
- Oxygen in the air around us is not scarce. People
acquire it at no cost - Oxygen underwater is scarce, as are the resources
needed to capture oxygen and store it in
containers for underwater use.
21Unit 1, Lesson 2Activity 2Are People Treating
Resources as Scarce
- D Pebbles are taken from a beach to build a
walkway in a homeowner's lawn. - No one else wants the pebbles.
- The pebbles are not necessary for the lakes
ecosystem or animal habitat.
22Unit 1, Lesson 2Activity 2Are People Treating
Resources as Scarce
- D Answer
- Scarce resources treated as not scarce
- The pebbles have no valuable alternative use. The
resources necessary to move the pebbles are
scarce. They could be used for other valuable
purposes.
23Unit 1, Lesson 2Activity 2Are People Treating
Resources as Scarce
- E A farmer has a water irrigation contract that
requires the water user to use the entire
allocation of water to water crops, whither or
not all the water is needed for crop irrigation - If the farmer does not use all the water, he or
she will receive a smaller allocation next year
24Unit 1, Lesson 2Activity 2Are People Treating
Resources as Scarce
- E Answer
- Scarce resources treated as not scarce
- The farmer is prohibited from considering other
valuable uses for the water.