__________ is a property of production function that holds when a proportional increase in all inputs results in an increase in output by the same proportion.
A
Constant returns to scale
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B
Increasing returns to scale
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C
Decreasing returns to scale
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D
None of these
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Solution
The correct option is A Constant returns to scale Constant returns to scale: If increases in outputs is in the same proportion as increase in quantity of all inputs, returns to scale are said to be constant. The terms in the Cobb-Douglas function are raised to the coefficeint of 1.