Archive of posts in category “economics”
Free trade (single good case)
I set up a simple model to determine the production and consumption in free trade between nations.
- Categories: economics
- Tags: global economy, from zhihu
The core of a voting system is the intersection of Pareto sets
There is a very neat relation between the core (the set of proposals that defeats every proposal) of a voting system and the Pareto sets of the voters. Suppose there is a voting system of quota , then the core is the intersection of all such sets: the Pareto set of of the voters.
- Categories: economics
- Tags: voting system, preference relation, pareto efficiency
Relationship between the Gini coefficient and the variance
Both the Gini coefficient and the variance are measures of statistical dispersion. We are then motivated to find the relationship between them. It turns out that there is a neat mathematical relationship between them.
- Categories: economics
- Tags: from zhihu, calculus, probability