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Questions tagged [consumption]

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What is the estimated propensity to consume out of wealth, and how does it depend on income levels?

What is the estimated propensity to consume out of wealth, and how does it depend on income levels? To make sure we are talking about the same thing: I am asking what estimates we have on what ...
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1answer
226 views

Intuition for the CES consumption index in New-Keynesian DSGE models

I don’t understand, from an intuitive point of view, the CES aggregator in the context of a New Keynsian DSGE model. I understand that the consumption index Ct is the sum of all consumption goods and ...
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1answer
54 views

Optimal choice for a weird leontief function

Compute the optimal choice for a consumer with the following utility function: $$u(x_1, x_2) =\max \{\min(2x_1, x_2), \min(x_1, 2x_2)\}$$ I'm familiar with computing optimal choice for perfect ...
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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 ...
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1answer
37 views

Why do the income and substitution effects cancel for log preferences? Trouble reconciling Slutsky decomposition

I've read (pg 10) in Gourinchas' notes on consumption that the income and substitution effects cancel for log preferences, and I tried to prove this to myself doing the Slutsky decomposition for the ...
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1answer
28 views

Did real interest rates decrease during the Great Recession

Assuming the stock market/housing market crash decreased consumer wealth, decreased business confidence, and decreased expected appreciation rates on houses (thus increasing perceived user cost of ...
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1answer
46 views

Why consumption is defined as $ C_t:= \left(\int^1_0C_t(i)^{\frac{\epsilon-1}{\epsilon}}di\right)^{\frac{\epsilon}{\epsilon-1}} $

I am reading Monetary policy, inflation, and the business cycle: an introduction to the new Keynesian framework and its applications by Gali. In section 3.1 he presents/defines the consumption as $$ ...
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1answer
107 views

Question about Locally non-satiated preferences

If a consumer has locally non-satiated preferences, which of these 2 bundles is preferred and why? Bundle A: (1,3) Bundle B: (4,2) This is what I've reasoned from my very limited understanding of ...
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0answers
7 views

Calculate a weighted relative growth to distribute national growth rate

Consider two regions ($R_1$ and $R_2$) in one country ($N$). I know, for instance, the consumption of pigs on national level in period 1 and 2. Let's say that this is: $C^{N}_1=100$ and $C^{N}_2=150$. ...
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37 views

How to prove that the walrasian demand function $x(p,w)$ is continuous in $p$ and $w$?

If the utility function $u$ is continuous and satisfies local nonsatiation, and walrasian demand function $x(p, w)$ is a function (i.e. always map to only single values), how to prove that $x(p,w)$ is ...
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31 views

Interpretation of coefficients in ECM for consumption

Say that we are regressing consumption $C_t$ on time $Y_t$. Furthermore, suppose that both series are $I(1)$ and are co-integrated. Given this, we set up the error correction model (ECM) as follows: $...
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15 views

Numerical Solution Using Excel about optimal consumption of households

I'm not sure how to solve this problem. I'm given the discount factor, interest rate, probability of high income shock, and various income shock sizes that I need to use to compute optimal consumption....
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13 views

Good source for marginal propensity to consume by country?

Is there a good data source that aggregates the MPCs of various countries? Thanks.
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21 views

Autonomous spending

"The term $\left(c_{0}+IQ+G-c_{1}T\right)$ is that part of the demand for goods that does not depend on output here ($c_{1}$ is mpc)." Can someone please explain how will you interpret government ...
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21 views

lifetime consumption explained

The formula for today's consumption is defined as: $$C = Y - T -S^P $$ That being said the consumption of tomorrow is: $$C' = Y' - T' + S^P(1+r)$$ Could anyone possibly explain to me why the ...
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8 views

Unit of analysis for income distribution, adult equivilence

Over the last few years I have seen a number of tussles over income distribution measurement in the economics journal literature between people drawing data from different sources and maintaining that ...
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27 views

Intermediate demand vs. Intermediate consumption

I am trying to understand what's the difference between intermediate consumption and intermediate demand. The context is the European System of Accounts, which says that intermediate demand is the ...
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1answer
95 views

Why the GDP does not decrease even when we are saving from our income?

When we are saving from our income then we don't consume as mush as we earn. So the GDP should decrease as well as the income but this does not happen. Why?
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83 views

Is utility function used in customer data/profile analysis? What alternatives in practice?

Utility function is great theoretical concept but is it used in customer data analysis or in building customer profile (e.g. from Big data or cash register/checkout data, ecommerce history) or in ...
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45 views

Keynesian consumption law not applicable in USA ?

I was looking at some numbers and saw that in USA in 2010 consumption was at 70% but savings were close to zero and that even places were there is high income savings are still low while the keynesian ...
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1answer
44 views

Keynesian-cross analysis [closed]

I have a question from my textbook which is: Using the Keynesian-cross analysis, assume that the consumption function is given by C = 100 + 0.6(Y – T). If planned investment is 100 and T is 100, then ...