What message do high prices send to producers?

Explanation:

Prices can act as a signal to both producers and consumers: – A high price tells producers that a product is in demand and they should make more. – A low price indicates to producers that a good is being overproduced. – A high price tells consumers to think about their purchases more carefully.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )

i believe that the answer to the question provided above is that the role of campaign committees is to act as a bridge between state and local campaigns.