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Binary relations that reflect which states of the world an agent considers to be most desirable. Preferences are a fundamental ingredient in the axiomatic study of consumer choice decision theory.
4
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2
answers
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Non-Constant Elasticity of Substitution
Is there a common way of modeling these preferences? …
1
vote
1
answer
42
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Controling the level of hours worked in the multiplicative formulation of KPR
KPR preferences are generally given by
$$ \frac{c^{1-\sigma}}{1-\sigma} \cdot v(l)$$
with $l$ being leisure. … yield
$$ n = \frac{T}{2 - \gamma} \tag 2$$
As $\gamma \in (0, 1)$, that means that we have no fully control about the level of working hours: We cannot get that $n<0.5$ is an optimal choice with these preferences …
5
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0
answers
210
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Consumption-Leisure Elasticity
The macro-literature insists on a consumption-leisure elasticity of 0 to match the balanced growth fact of constant labor supply.
Is there any paper that tries to evaluate this elasticity using micr …
4
votes
Accepted
What are good dataset alternatives to estimate value functions?
As I understand it, you're trying to estimate a demand system for different goods.
Have a look at Aguiar and Bils (forthcoming AER), who use the consumption expenditure survey to do exactly that. The …
5
votes
3
answers
624
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Preferences where wealth effect dominates
King-Plosser-Rebelo preferences satisfy balanced growth requirements, we have that income and substitution effects of labor cancel. Labor does not respond to a change in the wage level. … Greenwood-Hercowitz-Huffman preferences shut off the wealth channel: There is only a substitution effect left, hence labor co-moves with wages. …
3
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1
answer
8k
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Monotone transformation of utility
We have learned that any "strictly positive monotonous transformation" of utility functions is okay, as long as they preserve the ranking of choices implied by the underlying preferences. …
1
vote
Reverse of broken window fallacy for file sharing/piracy
Neoclassical Theory
The rational agent under a general class of preferences does first decide his optimal consumption level given (permanent) income, and then decides how to allocate that consumption …
6
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1
answer
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Generalized KPR: Frisch Elasticity
Consider the following version of KPR preferences (with $l$ being leisure):
$$ U(c,l) = \left(\left(c\right)^\gamma l^\omega\right)^{1-\sigma}$$
I'm after the Frisch elasticity:
$$ \frac{\partial(1- … {\partial l}{\partial w} = \frac{u_l}{u_{ll} - \frac{u^2_{lc}}{u_cc}}$$
Hence, the Frisch elasticity is given by
$$ \eta = \frac{u_l}{\frac{u^2_{lc}}{u_cc} - u_{ll}}\frac{1}{1-l}$$
With the given preferences …
9
votes
Are homothetic preferences monotonic?
Are homothetic preferences strictly monotonically increasing? … Indeed, you can have decreasing preferences $U(x,y) = -x -y$ for whom homotheticity holds.
Are nomothetic preferences weakly monotonic? …
3
votes
2
answers
354
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King-Plosser-Rebello Preferences: Scale leisure
In the limiting case of $\sigma\to 1$, we receive the standard additively-separable preferences
$$ U(c,l) = \log c + v(l)$$
In the latter case, if I want to scale the relevance of leisure in total preferences … , I can rewrite the preferences as $\log c + Av(l)$, and use $A$ for this matter. …
2
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King-Plosser-Rebello Preferences: Scale leisure
One approach: Look at the unscaled preferences
$$U(c,l) = \left(c v(l)\right)^{1-\sigma}$$
A log transformation reveals
$$ (1-\sigma)\log\left(c \right) + (1-\sigma)\log v(l)$$
Let $v(l) = l^\gamma …
8
votes
2
answers
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Translog Preferences
What are translog preferences? The wikipedia article only clears up that it stands for transcendental logarithmic preferences, and that they are a generalization of Cobb-Douglas preferences. …
2
votes
Accepted
Indifference curves and preferences?
The nerd and the football player have the same indifference curves, but not the same preferences.
The point is this: Both agree on the "grouping" of things. … Your Example
If you look at Jim and Pat, they have exactly inverse utility functions and hence inverse ranking in their preferences. …
2
votes
Non-Constant Elasticity of Substitution
Eichenbaum and Fisher (2005) follow Kimball (1995) in allowing for the possibility that the elasticity of demand is increasing in a firm’s price. Which is not exactly what I was looking for, but it's …