the rate at which a company or country makes goods, usually judged in connection with the number of people and the amount of materials necessary to produce the goods

Studies show that if a working environment is pleasant, productivity increases. 研究表明如果工作环境舒适，生产效率会提高。

a productivity bonus/incentive 生产效率奖金／激励

Productivity in the steel industry improved by five percent last year. 钢铁工业的生产率去年提高了5%。