Question

In: Economics

Part C: Production and Production Costs 4)The estimated production function of Rosa ’s noise cancelation and...

Part C: Production and Production Costs 4)The estimated production function of Rosa ’s noise cancelation and isola - tion device in Liechtenstein is Q = 2.83 L1.52 K 0.82 , where L is labor and K is capital. A study estimated that the production function for housing in Liecht - enstein is Q = 1.38 L 0.144 M 0.856 , where L is land and M is an aggregate of all other factors used in the production which we call materials. Another study estimated that the production function for supermarkets in Liechtenstein is Q = L0.23 K 0.10 M 0.66 , where L is labor, K is capital, and M is materials. Show and explain, with the help of algebra, if each of these production functions have decreasing, constant or increasing returns to scale.

Solutions

Expert Solution

Q= 2.83 L1.52 K0.82

Double the inputs K and L , we get:

= 2.83(2L)1.52 (2K)0.82

= 2.83 (2)1.52+0.82 ( L1.52 K0.82)

= 22.34 [  2.83 L1.52 K0.82] > 2Q

Because increasing the inputs K and L , increase the amount by more than that amount . This implies that production function exhibits increasing returns to scale.

Q= 1.38 L0.144 M0.856

Double the inputs M and L ,we get :

= 1.38 (2L)0.144 (2M)0.856

= 1.38 (2)0.144+0.856 ( L0.144 M0.856)

= 2 [ 1.38 L0.144 M0.856] = 2Q

Because increasing the inputs M and L , increase the output by the same amount. This implies that the production function exhibits constant returns to scale.

Q=L0.23 K0.10 M0.66

Double the inputs K , L and M , we get :

= (2L)0.23 (2K)0.10 (2M)0.66

= 20.23+0.10+0.66 (L0.23 K0.10 M0.66)

= 20.99 (L0.23 K0.10 M0.66) < 2Q

Because increasing the inputs K , L and M , increase the output by less than that amount . This implies that the production function exhibits decreasing return to scale.


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