Indexed Notes by Topic
Anchoring
References:
- Dan Ariely experiment - Social Security Number as an anchor for the value of a bottle of wine
Insights:
- Anchoring undermines the belief that market prices are based on supply and demand
Diminishing Returns
Examples:
- Small farm or factory - with each new labour input there will come a time where each added worker causes less output than the last.
Opportunity Cost
Definition:
- Missed opportunities, as a result of decision making.
Insights:
- More rational decisions are made when we are more informed about exactly what we are giving up.
- Time is money.
References:
- 'The cost of something is what you give up to get it.' - Greg Mankiw, Harvard economics professor
- Famous economics principle: 'There's no such thing as a free lunch'.
Tragedy of the Commons
Definition:
- Occurs when people abuse a resource because they do not own it.
References:
- Adam Smith - recognised that there were circumstances when the invisible hand would not work, including the Tragedy of the Commons.
Insights:
- Poor or insufficient property rights can damage an economy - ownership encourages people to invest in and safeguard the value of their property.
- Where there is a limited resource, those exploiting it will do so to the detriment of their neighbours.