an increase in the price of watches

a decrease in the price of watch batteries if watch batteries and watches are complements

a decrease in consumer incomes if watches are a normal good

a decrease in the price of watches

an advance in the technology used to manufacture watches

an increase in the price of watches.

a decrease in the wage of workers employed to manufacture watches

manufacturers’ expectation of lower watch prices in the future.

there is a surplus (i.e. an excess supply) and the price will rise

there is a shortage (i.e. an excess demand) and the price will rise

the quantity demanded is equal to the quantity supplied and the price remains unchanged.

there is a surplus (i.e. an excess supply) and the price will fall.

there is a shortage (i.e. an excess demand) and the price will rise.

the quantity demanded is equal to the quantity supplied and the price remains unchanged.

there is a shortage (i.e. an excess demand) and the price will fall.

there is a surplus (i.e. an excess supply) and the price will rise

there is a shortage (i.e. an excess demand) and the price will fall.

the quantity demanded is equal to the quantity supplied and the price remains unchanged.

there is a surplus (i.e. an excess supply) and the price will rise

there is a shortage (i.e. an excess demand) and the price will rise.