Economic methodology, scarcity, choice and gains from trade Flashcards
what is scarcity?
society has limited resources and cannot produce all the goods and services people want (unlimited wants)
describe the efficiency vs equity trade-off
Efficiency: Society gets the most that it can from its scarce resources.
Equity: The benefits of those resources are distributed fairly among the members of society.
Decisions require
comparing the costs and benefits of alternatives
what is the opportunity cost?
value of the next best alternative foregone
rational decision making consists of
weighing marginal benefits and costs
make decisions where marginal benefits > marginal costs
how do marginal changes create an incentive for people to respond?
Marginal changes create an incentive for people to respond, as people choose an alternative over another on the basis that the marginal benefits outweigh its marginal costs
These incentives can cause people to respond in a predictable way whereby they react to changes in expected MBs and MCs
Why is trade beneficial?
allows specialisation
increases competition, which is passed onto consumers in the form of better services and lower prices
what is a market economy/ free market economy?
economy whereby resources are allocated through the interactions of firms and households in the market
i. e. firms decide who to hire, and what to produce
i. e. households determine what to purchase and who to work for
Individuals own resources and there is private property
describe adam smith’s “invisible hand” metaphor in the 1700
market economy allows efficient allocation of resources via the price mechanism that operates to guide decisions of firms and households
Why may the government intervene in the market?
To address market failure (when markets fail to take into externalities i.e. social costs and benefits from their actions)
what is the ultimate source of improving living standards?
productivity
The production possibilities frontier (PPF) is a graph that
shows the maximum combinations of two goods that are possible, given the economy’s resources and level of technology
what concepts does the production possibility frontier illustrate?
what does the circular flow diagram show?
shows how dollars flow through markets among households and firms in an economy
distinguish between a curved and straight production possibility curve?
an increase in opportunity cost when curved and resources are different
constant opportunity cost and resources are similar
what are 3 factors that may shift the production possibility curve?
- quantity and quality (better education –> better human capital) of resources
- technology (Improve in capital which is a factor of production)
- trade