Maximum price
The maximum amount you are allowed to sell a product for.
No effect if it is set above the equilibrium.
Buffer stock
When the gov. buys food and store when harvest is good and then release the food back on the market if the harvest is bad.
Factor immobility
This is a cause of market failure. There are 2 types; geographical and occupational.
Occupational immobility
There are barriers to the mobility of factors of production between different sectors of the economy
Geographical immobility
There are barriers to them moving from one area to another to find work.