All other things being equal, which one of the following is most likely to cause the marginal revenue product of labour (MRPLMRP_LMRPL) curve in the electric bicycle manufacturing industry to shift to the right?
A decrease in the hourly wage rate paid to electric bicycle assembly workers.
A decrease in the total number of technicians employed in the electric bicycle industry.
An increase in consumer demand for electric bicycles.
An increase in the number of international competitors entering the electric bicycle market.
