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Questions tagged [leontief]

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2
votes
1answer
109 views

Marshallian demand with Leontif preferences

Consider a utility function on the form $u(q_{1},q_{2},q_{3}) = min\{\alpha ln(q_{1}) + (1 - \alpha) ln(q_{2}), ln(q_{3})\}$ I know that optimal behaviour requires $\alpha ln (q_{1}) + (1 - \alpha) ...
-1
votes
1answer
69 views

Expenditure minimization with Leontief utility

I need to solve the expenditure minimization in a context where $u(x,y) = min\{x,y\}$, i.e. where utility is Leontief. The minimization problem is $$\text{min}_{x,y}\,\,p_xx+p_yy \\ \text{subject}\,...
3
votes
2answers
83 views

What does the Leontief Inverse represent? (Intuitive Meaning or Real World Concept)

I encountered that nobody, even my profs and lecturers so far, has an intuitive way to explain what the Leontief inverse represents. Does somebody here? As most people here would know, it goes: $\ ...
6
votes
1answer
64 views

Leontief's Paradox and the amount of capital

Leontief (1953) showed that US exports in 1947 embodied considerably less capital and somewhat more labor than would be required for domestic production of competitive imports. \$2.55 million worth of ...
1
vote
0answers
118 views

Endowment increases but utility reduces

In an Edgeworth economy with two agents and two goods, Player A has endowment $\left(a,\,0\right)$ and utility $u_{A}\left(x_{1},\,x_{2}\right)=\min\left(\gamma x_{1},\,x_{2}\right)$ in which $\gamma&...
1
vote
1answer
388 views

Derivation long run cost function of three inputs with Leontief-like characteristics

Suppose that a firm produces a good using capital, skilled labor, and unskilled labor. Let $K$ denote the amount of capital,$L_1$ unskilled labor, $L_2$ skilled labor. The production function is $f(...
3
votes
1answer
2k views

Leontief function marginal product of labor/capital

Find marginal product of labor of a Leontief production function. For example, $$f(L, K) = min\{\frac{L}{a}, \frac{K}{b}\}$$ MY ATTEMPT Now as I understand it the marginal product of labor, $MP_L$ ...
1
vote
0answers
18 views

Perfect complement outputs with each output being composed of substitutable inputs

How does one solve the following maximization problem? $\underset{K_1, K_2, L_1, L_2}{\text{maximize }} min\{K_1 + L_1,K_2 + L_2\}$ subject to $c(K_1 + \mu K_2) + \beta c(L_1 + \mu L_2)$ where $c(...
0
votes
1answer
30 views

why not use $Ap - p$ instead of $p - Ap$?

I am watching this video about the Leontief input-output model: https://youtu.be/hlaBURtSDO8?t=12m26s One thing I don't understand is: why not use $Ap - p$ instead of $p - Ap$? It seems to make ...
0
votes
0answers
24 views

a Leontieff aggregator for consumption in continuous goods

I was reading a paper on JME Jan,2015, and some of his equations below I couldn't really understand. Other part of the paper is not quite relevant First, what exactly is $x_t$? Second, how did he ...
1
vote
4answers
799 views

Weird Leontief production function

I am solving some micro related exercises and I came across this weird Leontief production function: $$Q =\left(\min\{K, L\} \right)^b$$ I am not sure how to solve it. I have to find the inputs' ...
1
vote
0answers
43 views

First Reference Leontief/Perfect Complements

I googled a lot and I'm still to find: 1. In which paper/book/reference do Leontief [production] functions make their first appearance? Similarly 2. In which paper/book/reference do perfect ...
1
vote
1answer
2k views

maximizing leontief-type utility function

How do I maximize the utility function: $ U(x,y)= max(ax,ay)+min(x,y) $ , where $ 0<a<1 $ with respect to prices $ p_{x}, p_{y} $ respectively and income $ m $. I know leontief-type utility ...
7
votes
2answers
547 views

Constant Elasticity of Substitution: Special Cases

Take an $n$-commodity constant elasticity of substitution utility function, $$U = \left[\sum^n_{i=1} \alpha_i x^\rho_i \right]^\frac{1}{\rho}$$ How do we show the following: Show that as $\rho \...
3
votes
1answer
278 views

Leontief preferences and 2nd welfare theorem

Does the 2nd welfare theorem hold with Leontief preferences? If not, which of the assumptions does not hold?
8
votes
1answer
5k views

Leontief preferences

I can solve most utility maximization problems using my mathematical knowledge .... but not when it comes to Leontief preferences. I do not have a book to lean on (am self-studying), so would really ...
21
votes
2answers
21k views

How can I obtain Leontief and Cobb-Douglas production function from CES function?

In most Microeconomics textbooks it is mentioned that the Constant Elasticity of Substitution (CES) production function, $$Q=\gamma[a K^{-\rho} +(1-a) L^{-\rho} ]^{-\frac{1}{\rho}}$$ (where the ...