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Do you use facebook?

Photo of a smartphone with the Facebook application open
Economics is greatly impacted by how well information travels through society. Today, social media giants Twitter, Facebook, and Instagram are major forces on the information super highway. (Credit: Johan Larsson/Flickr)

Decisions ... decisions in the social media age

To post or not to post? Every day we are faced with a myriad of decisions, from what to have for breakfast, to which route to take to class, to the more complex—“Should I double major and add possibly another semester of study to my education?” Our response to these choices depends on the information we have available at any given moment; information economists call “imperfect” because we rarely have all the data we need to make perfect decisions. Despite the lack of perfect information, we still make hundreds of decisions a day.

And now, we have another avenue in which to gather information—social media. Outlets like Facebook and Twitter are altering the process by which we make choices, how we spend our time, which movies we see, which products we buy, and more. How many of you chose a university without checking out its Facebook page or Twitter stream first for information and feedback?

As you will see in this course, what happens in economics is affected by how well and how fast information is disseminated through a society, such as how quickly information travels through Facebook. “Economists love nothing better than when deep and liquid markets operate under conditions of perfect information,” says Jessica Irvine, National Economics Editor for News Corp Australia.

This leads us to the topic of this chapter, an introduction to the world of making decisions, processing information, and understanding behavior in markets —the world of economics. Each chapter in this book will start with a discussion about current (or sometimes past) events and revisit it at chapter’s end—to “bring home” the concepts in play.

Introduction

In this chapter, you will learn about:

  • What Is Economics, and Why Is It Important?
  • Microeconomics and Macroeconomics
  • How Economists Use Theories and Models to Understand Economic Issues
  • How Economies Can Be Organized: An Overview of Economic Systems

What is economics and why should you spend your time learning it? After all, there are other disciplines you could be studying, and other ways you could be spending your time. As the Bring it Home feature just mentioned, making choices is at the heart of what economists study, and your decision to take this course is as much as economic decision as anything else.

Economics is probably not what you think. It is not primarily about money or finance. It is not primarily about business. It is not mathematics. What is it then? It is both a subject area and a way of viewing the world.

Questions & Answers

using the graph illustrate all the types of elascity
Umar Reply
ha
Nathaniel
.
Anjali
Given the budget deficit in recent years, some economists have argued that by adjusting Social Security (SSNIT) payments for inflation using the CPI, SSNIT is overpaying recipients. Discuss the argument being made, and do you agree or disagree with it?
Louis
distinguish between increase in demand curve and extenaion in demamd curve
Farhan Reply
what are the shapes of an indifference curve?
Ovensi Reply
division of labour is simply the breaking of job functions so that each individual is engage to one set or the other for easy delivery
EMMANUEL Reply
What is division of labor
peter Reply
it is also simply the breaking down of work into various part so that each individual is entitle to one for easy delivery
EMMANUEL
it is the simplifying of tasks into smaller easily workable divisions where each person specialises on what they understand better
cabs
ok
EMMANUEL
thanks for your briefing and time
EMMANUEL
What is labour market
Daniel
what are the sources of monopoly power?
Winnerman Reply
the first source, are informations
amine
political power and influence in monetary institutions
Shahul
what is imperfect competition ?
SHAH Reply
the situation in which elements of monopoly ( R&D, EOS and stability of prices etc.) allow individual producers or consumers to exercise some control over market prices
Ghulam
how to find shut down
Sowmya Reply
where p is less than avc
Koushik
s
Shahul
which is the best public finance economics text book?
Shahul
hello
shafiullah
hello
Shahul
Yes hi
Pov
....
SHAH
what are the alternatives various of economic system
olaleye Reply
what is microeconomics
Ayedun
Micro-economics refers to the branch of economics which deals with smaller unit or element of the economy.
Amadu
or Is the study of individual economic unit in a economy..
Neriel
micro economis is the studay of how Households and firms make decision and they interecr it.
mahad
what is financial intermediaries?
Imran Reply
financial intermediaries are those who are link between borrowers and lenders for.eg bank... Bank is a financial intermediary
Ajit
tnx a lot of u
Imran
most welcome
Ajit
why do you here ? why do you want to learn economics
Ajit
والله العظيم انا ماعاوز اتعلمها
انا باخدها غصب عني في الكليه حضرتك
لس كدااا
I am student of ecnomics ,
Imran
Imran
Abdi
yes Abdi temam
Imran
am good too see you
Abdi
tnx why not
Imran
b/c im student
Abdi
great, now I am sleeping see u nex time ok
Imran
ok
Abdi
OK
Ajit
what is the law of dimis
Toyin Reply
what is the feature of public ownership of production factors
Toyin
what is the demand for commodity that posses identical utilities called
Toyin
law of diminishing utility...as the quantity consumed of a commodity increases,the utility derived from each successive unit goes on decreasing... condition___ consumption of other commodities remaining the same.
Malik
sorry it's...Law of diminishing marginal utility
Malik
demand for commodities that posses identical utilities? The commodities having identical utilities are perfect substitutes...and the demand for such type of commodities is called "Competitive Demand".
Malik
thanks
Toyin
Why many people can't differentiate Economists and financial analysts
Hatimu
what is the function of the central bank in an economic?
Toyin
the central bank may lend some money to banks if necessary
konglan
what economics
Toyin Reply
Is this a question?
Tala
is the study of how societies allocate and manage their scare resources
Neriel
What is populatiin
Azer Reply
Population is a number of people living in a particular area within a particular time
Rabby
Population is the number of people living in a particular geographical area within a particular time
Rabby
how does this chat work
Dalaya
ya the ideas are good thanks friends
South
so what's the next question?
South
what is demand schedule
Toyin Reply
is a tabular representation of the quantity demanded of a particular product at a particular price over a given period of time
Loveth
thanks
Toyin
you are welcome
Loveth
ok
Hassan
What is Monetary Mass
Acha Reply

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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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