1. Define economics
2. What is an economic model?
3. Why are they needed/used?
4. What is meant by ceteris paribus?
, Ceteris Paribus
●“All other things remain the same”
●Example: there is a decrease in the price of a
good – what happens?
●Answer: people buy more of it
●BUT – at the same time, the good becomes
less ‘trendy’…..
●So – what happens if the price falls (ceteris
paribus) allows us to ignore trends and make
the assumption that nothing else changes.