Production efficiency is a situation in which the economy is getting all that it can from its resources and​ produce more of one good or service without producing​ of something else.

Cannot, Less

Explanation:

Production efficiency or productive efficiency is the efficient utilization of resources with view to achieving the lowest cost of production. Production efficiency is achieved when an economy is operating on her production possibility curve.

When an economy attained the level of Productive efficiency, it means it can no longer increase production of any commodity without a trade-off for other similar commodity.

answer makes less frequent trips to the bank and firms make less frequent price changes;