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Questions tagged [demand]

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209 views

Finding demand functions for an unusual utility function

I have a utility function: $U = x + \min\{x,y\}$ I want to draw the indifference curve and find the demand functions. Will it be the case of the usual perfect complements? Also, what preferences ...
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1answer
30 views

Why income elasticity of demand of luxury good in greater than 1?

According to textbook and wikipedia, "if income elasticity of demand of a commodity is less than 1, it is a necessity good. If the elasticity of demand is greater than 1, it is a luxury good or a ...
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2answers
78 views

Difference between Engel curve and income expansion path

I was scrolling through many questions on this site about income offer path and it appeared to me that income offer path, income expansion path, engel curve all are different terms with same meaning, ...
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13 views

How does investment lead to generation of jobs?

I quote from India's Economic Survey 2019 (an official document) - While the claim is often made that investment displaces jobs, this remains true only when viewed within the silo of a specific ...
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3answers
52 views

Does investment directly influence demand?

I quote from the first page of India's Economic Survey 2019 (an official document) - Investment, especially private investment, is the “key driver” that drives demand, creates capacity, ...
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1answer
24 views

Effect of a change in quality on price elasticity of demand

I am interested to know how one would expect a change in the quality of a product to affect its price elasticity of demand. Two example will illustrate my confusion: Example 1 Suppose a producer is ...
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0answers
35 views

Should a Price Elasticity of Demand model exclude items that sold out or marked down from the original price

Consider a Price Elasticity of Demand model built with linear regression to estimate the Percent Change in Quantity Demanded given a Percent Change in Price specifically for specialty items which have ...
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1answer
35 views

Aggregated demand of households given utility function

I have an utility function given, $\ u_j(q_{j1},q_{j2} )=q^{3/4}_{1j}*q^{1/4}_{2j} $ $\ s.t.: y=p_1*q_{1i} +p_2*q_{2i}$ I do know that the for $\ q_{1j}$ the marginal prospensity to consume is 3/...
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26 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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0answers
33 views

Afriat theorem for negative goods

GARP and Afrait theorem assume that the alternative $x\in\mathbb R_+$ is always positive. In some economic contexts, such as financial choices, the attribute can be negative. I wonder if we can ...
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0answers
48 views

Homogeneity in Marshallian demand function

I have worked out the expenditure function for a Marshallian demand function, R represents a fixed cost and the questions asks about why the expenditure function is unusual. The answer explains it is ...
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0answers
29 views

Can there be a good which has both Hicksian and Marshallian demand curves vertical?

Consider a perfectly inelastic (Marshallian) demand curve for a good X. Does this good also have a vertical Hicksian demand curve?
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15 views

Exploratory analysis about elasticity

I have been asked to perform some studies about the price elasticity of demand of an online seller. The concept of elasticity used by economists are more clear to me after some research on ...
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1answer
401 views

Demand derived from Cobb-Douglas utility, interpretation, check

I derived demand, given a Cobb-Douglas utility function but I am not really sure if I did it correctly. I am especially struggling with the sum signs and the subscripts of $i$ & $j$. It would be ...
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1answer
83 views

Econ Intuition for Jacobian inverse in demand system

Consider the following simple linear demand system (in vector notation) with n different products Demand: $\quad\mathbf{q=B\left(a-p\right)}$ Inverse demand: $\quad\mathbf{p=a-B^{-1}q}$ where $\...