This website provides detailed guides to solve common economic problems. The areas of economics covered on this webpage mostly relate to first-year undergraduate microeconomics and macroeconomics. Often all it takes to understand a problem is to see a worked example first. The aim of this website is to be that worked example.

#### Public and private savings

The national, private and public saving rates all play an important role in the performance of the macroeconomy. Being able to measure these statistics is important for any economist… Read more

- Balance of trade formula
- Balanced growth path with AK model
- Calculating GDP growth
- Consumer Price Index (CPI) and inflation rate formula
- Factor shares and Cobb-Douglas Factor shares
- holding national savings constant, an increase in Net foreign investment (NFI) does what to the accumulation of capital
- How to calculate National Savings, Public savings and Private Savings
- Natural rate of unemployment
- Net foreign investment formula
- Potential GDP formula and output gap
- Prove if an allocation is pareto optimal it is also efficient
- Suppose the government borrows $20 billion more next year than this year [market for loanable funds]
- Terms of trade
- The market for loanable funds
- The natural level of output
- Three different ways to calculate GDP
- Why does aggregate supply slope upwards?
- Why does the demand curve slope downwards