专业词汇 Professional terms Returns to scale Competence to innovate the Optimum Business scale In the long run internal economies The scale of production Constant returns to scale Increasing returns to scale Decreasing returns to scale Economies of scale Diseconomies of scale management level External economies life cycle of productReturns to Scale Competence to innovate the Optimum Business scale In the long run internal economies The scale of production Constant returns to scale Increasing returns to scale Decreasing returns to scale Economies of scale Diseconomies of scale management level External economies life cycle of product 专业词汇Professional terms