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Constant returns and (weak/strict) concavity

Suppose I have a constant returns production function $Q = f(X,Y,Z)$, where $X$, $Y$, and $Z$ are the inputs. Because of constant returns, the Hessian matrix of second-order partial derivatives (f_ij) ...
G.J.'s user avatar
  • 11
0 votes
1 answer
662 views

How to calculate Returns to Scale for Translog production function with two inputs?

I have a double-log (both inputs and output in logarithmic form) translog production function with 2 inputs [with Labour and Capital]. There are two squared terms, one for each of the inputs and there ...
Bhagirath Baria's user avatar
1 vote
0 answers
73 views

How to explain the flattening of the SRAC curve?

I discovered that there is a way that Short-run average cost curve could become 'flatter' instead of shifting. Yet I cannot find an explanation of why and how it can become flatter. For example, in ...
brikas's user avatar
  • 111
2 votes
2 answers
720 views

Returns to scale - Constant Function

Suppose we have a production function $f(z)=2$. I am asked to determine whether the function exhibits increasing, decreasing, constant or no returns to scale. For $t>0$, $f(tz)=2$. I'm not sure ...
Omrane's user avatar
  • 448
2 votes
1 answer
3k views

Decreasing Costs, Increasing Returns to Scale, & C''(q)

Given a profit-maximizing firm with production function $f(x_1,x_2)$, I understand that we can formulate a firm's cost function $C(q)$ by using the contingent demand functions $x_1^c$ and $x_2^c$. We ...
cpage's user avatar
  • 530