a leftward shift in the supply curve for a good may be caused by any of the following except\na. a rise in…

a leftward shift in the supply curve for a good may be caused by any of the following except\na. a rise in the price of an input to production.\nb. consumer expectation of an increase in their future income.\nc. a decrease in the number of firms in the industry.\nd. an increase in the wage paid to labor.

a leftward shift in the supply curve for a good may be caused by any of the following except\na. a rise in the price of an input to production.\nb. consumer expectation of an increase in their future income.\nc. a decrease in the number of firms in the industry.\nd. an increase in the wage paid to labor.

Answer

Brief Explanations:

A left - ward shift in the supply curve is caused by factors that increase the cost of production or reduce the number of suppliers. A rise in input prices (A), a decrease in the number of firms (C), and an increase in labor wages (D) all increase production costs or reduce supply - side capacity. Consumer expectation of an increase in future income affects demand, not supply.

Answer:

B. consumer expectation of an increase in their future income