Economic Problem
Production possibility frontier (PPF)
Inside PPF->Attainable
Out PPF ->Unattainable
Around PPF->Optimal
Through PPF ->Swap
Opportunity cost -> Sacrifice of a product
![Marginal cost](http://tsort.info/iabok/img/costs.png)
Marginal cost
Cost of producing an additional unit of the same
Economic growth
cost of economic growth
Economic Coordination
Companies
Markets
Money
Property Rights
![Circular flows in the market economy](https://courses.byui.edu/ECON_150/ECON_150_Old_Site/images/Circular_Flow_02.jpg)
Circular flows in the market economy