Supply
Shifts in supply:
changes in input prices
an input is a good that is used to produce another good
ex: water, fertilizer, labor
changes in the prices of related goods
ex: instead of hay, growing barley
changes in technology
can produce more
can produce more efficiently
ex: more efficient baler
changes in expectations
ex: storing a good for future sale
natural “supply shock”
weather events
political events
can be positive or negative
changes in number of producers