1 There it restores constant returns to scale; it does not do so in our case.

2 The food industry Y produces with constant returns to scale.

3 Non-radial centralized resource allocation DEA models under constant returns to scale have been studied in this paper.

4 Constant returns to scale :are features of a firm's technology that lead to constant long-run average cost as output increases.

5 These points may be illustrated quite simply for the case of constant returns to scale.

6 In the model, the production function is assumed to be nonclassic and constant returns to scale.

7 Between the range of minimum and maximum efficient scale of output, there may also exist constant returns to scale where the average unit costs of production remain unchanged as output increases.

8 The Comparative Advantage Theory of David Ricardo is constructed on a series of assumptions including perfect competition and constant returns to scale.