technology and weather.
● more / better technology leads to an increase in supply and a shift right in supply. more
willing and able to supply. more productivity and output.
● bad weather leads to a decrease in supply and a shift left in supply. there is less supply
available, less output.
costs.
● an increase in costs would lead to a decrease in supply and a shift left of supply. suppliers
are less willing and able to supply.
number of suppliers and productivity.
● if there is an increase in suppliers and productivity, this will lead to an increase in supply
and a shift right of supply, are more suppliers are willing and able to supply more.