1.1 Nature of economics Flashcards
What is meant economics when describing economics as a social science
It is a study of how human beings allocate scarce resources to satisfy wants of humans.
Whats is the purpose of theories and models in economics?
to explain why something is as it is
- they’re simplified to make them more useful
what is different in the way theories and models are expressed?
- Theories are expressed in words
- Models are due to requiring greater precision are expressed in mathematicalterms
what must occur when there are too many variables that can change within an economic model?
assumptions must be made
What is ‘Ceteris Paribus’ meaning?
all other things remaining equal
What makes economics a social science?
-it is difficult to set up experiments to test hypothesis
-economists gather data in the everyday world, thus other variables are always changing
What are positive statements?
-statement that is objective and made without any obvious value judgements or emotions
-They can be tested to be proven or disproven and they are often expressed in the form of a hypothesis that can be analysed and evaluated
-statements about the future can be positive if they can be proven or disproven in the future
What are normative statements?
a statement that is subjective and based on opinion
- so cannot be proven or disproven
-includes words such as ought, maybe, should or says that one action is better than another
When do economists use positive and normative statements?
-The role of value judgments
They use positive statements to back up normative statements
What do value judgements do?
influence economic decision making and policy
- different economists may make different judgments from the same statistic
What is the basic economic problem (BEP)?
-how scarce resources are allocated to satisfy infinite human wants
- an economy seeks to allocate resources by using the price mechanism and by the government
What are the 3 ways economies use to solve the basic economy problem
-working out what to produce
-how to produce it
- for whom to produce
What is the concept of scarcity in economics?
-where there are unlimited wants and finite resources
-a relative concept as resources are not necessarily scarce themselves but are scarce in relation to the demands placed upon them
What is a renewable resource?
a resource that can be replenished as long as the rate of consumption is less than or equal to the rate of replenishment, the stock will not decrease
what is a non-renewable resources?
a resource that cannot be readily replaced by natrual means on a level to consumption
- a finite resource
Define opportunity cost?
the cost of the next best alternative that is forgone when a choice is made
What are the 4 factors of production?
-Land
-Labour
-Capital
-Enterprise