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[link] also shows that many medium and low income countries around the world, like Mexico and China, have also experienced a surge of globalization in recent decades. If an astronaut in orbit could put on special glasses that make all economic transactions visible as brightly colored lines and look down at Earth, the astronaut would see the planet covered with connections.

So, hopefully, you now have an idea of what economics is about. Before you move to any other chapter of study, be sure to read the very important appendix to this chapter called The Use of Mathematics in Principles of Economics . It is essential that you learn more about how to read and use models in economics.

Decisions ... decisions in the social media age

The world we live in today provides nearly instant access to a wealth of information. Consider that as recently as the late 1970s, the Farmer’s Almanac, along with the Weather Bureau of the U.S. Department of Agriculture, were the primary sources American farmers used to determine when to plant and harvest their crops. Today, farmers are more likely to access, online, weather forecasts from the National Oceanic and Atmospheric Administration or watch the Weather Channel. After all, knowing the upcoming forecast could drive when to harvest crops. Consequently, knowing the upcoming weather could change the amount of crop harvested.

Some relatively new information forums, such as Facebook, are rapidly changing how information is distributed; hence, influencing decision making. In 2014, the Pew Research Center reported that 71% of online adults use Facebook. Facebook post topics range from the National Basketball Association, to celebrity singers and performers, to farmers.

Information helps us make decisions. Decisions as simple as what to wear today to how many reporters should be sent to cover a crash. Each of these decisions is an economic decision. After all, resources are scarce. If ten reporters are sent to cover an accident, they are not available to cover other stories or complete other tasks. Information provides the knowledge needed to make the best possible decisions on how to utilize scarce resources. Welcome to the world of economics!

Key concepts and summary

Societies can be organized as traditional, command, or market-oriented economies. Most societies are a mix. The last few decades have seen globalization evolve as a result of growth in commercial and financial networks that cross national borders, making businesses and workers from different economies increasingly interdependent.

References

The Heritage Foundation. 2015. "2015 Index of Economic Freedom." Accessed March 11, 2015. http://www.heritage.org/index/ranking.

Garling, Caleb. “S.F. plane crash: Reporting, emotions on social media,” The San Francisco Chronicle . July 7, 2013. http://www.sfgate.com/news/article/S-F-plane-crash-Reporting-emotions-on-social-4651639.php.

Irvine, Jessica. “Social Networking Sites are Factories of Modern Ideas.” The Sydney Morning Herald . November 25, 2011.http://www.smh.com.au/federal-politics/society-and-culture/social-networking-sites-are-factories-of-modern-ideas-20111124-1nwy3.html#ixzz2YZhPYeME.

Pew Research Center. 2015. "Social Networking Fact Sheet." Accessed March 11, 2015. http://www.pewinternet.org/fact-sheets/social-networking-fact-sheet/.

The World Bank Group. 2015. "World Data Bank." Accessed March 30, 2014. http://databank.worldbank.org/data/.

Questions & Answers

if country had a potential full employment income of Rs 1000 and following consumption and investment function C=0.75 y=50,I=150.find the level of government expenditure necessary to maintain full employment
Vijay Reply
what is China's economy
Ved
the meaning of elasticity
Yawe Reply
when equilibrium is égal to 1
Moussa
The tendency to change consumption habits with change in price
Iben
The type of elasticity if demand
Okonkwo Reply
aren't leaving too about bathrooms
SHADAB
I don't understand
Amina
like.
Ubong
what is money
Lawal Reply
what is supply
Lawal
the total number of goods present at a particular area at a particular time
Offset
the meaning of elasticity
Affum Reply
how to knw the break even point in business
Edmore Reply
hello
Marshal
hello
ghulam
hi
Kakay
hi
Ornill
hi
Bakari
Good evening
owi
when TOTAL COST & TOTAL REVENUE equal each other that's break even point
Bappy
How is everyone doing
Kakay
yaah
Chris
🤙🤙
Kakay
Good evening
Amarachi
how are you feeling
Sorie
hello
Marshal
hello
McClean
Hai👋👋
Noah
Hey
Andile
hello
Offset
what's up?
Offset
what are the importance of economics
sani Reply
hello
Marshal
welcome
Zaid
am new here
Kakay
hello I'm new here
Mona
your welcome
Bakari
thanks
Mona
where are you from?
Bakari
Hello I'm new here
Amarachi
ohh hi
Tanaka
what is development?
juwel Reply
it shows how many products customers are willing to purchase as the price of those product increase or decrease
Asha Reply
economics as a science
skima Reply
What is utility
Jimoh Reply
utility is a total satisfaction derives from a consumer.
Umar
what is ranking reveal choices?
Umar
wants satisfying power of a commodity is known as utility........
SHADAB
What is elasity
bohvy
Differentiate between scarcity and choice and explain how they effect perfectly elasiticity of demand and give relevant example with type of goods affected
PATRICK
Utility is ability if of available goods to satisfy human wants
PATRICK
any idea about equilibrium?
Umar
equilibrium where price and quantity demanded equals
Bappy
e
john
Equilibrium is when quantity demanded of goods and services is equal to supply to the market.
john
saaa.....
Bright
how about the profit....anybody can explain
Jeff
how about equilibrium of consumer?
Umar
bappy,john thank you the answers.
Umar
Utility Simply means the satisfaction a consumer derives from consuming a good or service
Hez
Pls can someone explain Elasticity of demand in a short terms
Osuayan
it's a degree of responsiveness to demand due to changes in prices
Ukpen
what is scarcity? pls help
Mikateko Reply
scarity is when there is a huge demand for certain goods and services but there's limited resources to actually produce those things
Mario
thank you
Kakay
what is development?
juwel
what is distribution
umar Reply
1.what is distribution? 2.what are factors affecting distribution? 3.releat what you are writing in the contest of economics and Nigeria situation
umar
what is demand
Obianyido Reply
things that are needed or wanted
Mario
The market for you In Ilorin has the following demand and supply equation Qd + 5p =9520 Qs =2.5p - 125 a) determine the equation price and quantity b) Explain the situation when the market price is below the equlibrum price
Rasheee Reply
solutions
Alex

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Source:  OpenStax, Principles of economics. OpenStax CNX. Sep 19, 2014 Download for free at http://legacy.cnx.org/content/col11613/1.11
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