Questions tagged [elasticity]

Elasticity is the measurement of how responsive an economic variable is to a change in another.

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296 views

Is perfectly inelastic demand always coupled with inelastic supply?

In the case of perfectly inelastic demand, the price is always infinite. Does it mean that the supply curve is also inelastic?
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Calculate Elasticity of demand in this example [closed]

Suppose that house prices increase by 10%, and the total quantity of homes purchased decreases by 8%. What is the elasticity of demand of housing? Interpret your answer in the context of a 1% change ...
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Best formula for price depending on amount [closed]

What is the best formula of price of the product depending on amount. I mean "best" in psychological, marketing, stock rotation, profit maximizing, etc sense (any of them or all together, if possible)....
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Can the demand curve be a rectangular hyperbola, but $E_D \neq 1$? [closed]

So, I am given the next table: I am asked to find $Q_D$. So the prerequisites to find $Q_D$ is that the price must change, and all other factors of demand must be steady. So, I can find the $Q_D$ ...
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which is an example of demand curve that is always inelastic/elastic?

Which class of functions have the property of being always elastic?and instead always inelastic?
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elasticity of income if price changes by 10 percent

Arista always spends 10 % of her income on whatzits. Assume that her income increases by some percentage while the price of whatzits remains constant (and that all whatzits cost the same). What is ...
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(Microeconomics) Why must fims always lower prices when there is excess supply?

This may seem like a basic question but it has been really bothering me for a while. I understand what excess supply is, and my question is regarding the firms' response to it. All economics texbooks ...
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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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Should Company B enter the market in the following cases

Say Company A has a monopoly producing product E, at a constant marginal cost of $3$ USD. Say the ideal number of units produced is $1$ unit which produces a profit of $2$ USD (=$P_{A}$). Next, ...
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Income Elasticity and Convexity of Demand in Income

What needs to be true about the demand function $z(y)$, where $y$ is income, for the income elasticity $\varepsilon = \frac{dz(y)}{dy}/\frac{z(y)}{y}$ to be always greater than one (so that the good ...
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Monopoly - Where is the Markup formula derived from?

Problem: My lecturer wrote the marginal revenue formula before writing the markup formula, indicating some sort of similarity between the two. How it was written on the board: Market Power ...
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How are elasticity of demand, marginal revenue, and total revenue connected?

I am completely new to economics, and am looking at some old exam papers. The question is as following: "In a normal marked, where there is a negative correlation between quantity and price, which of ...
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Elasticity, link between demand and supply

I have a exercise with the corresponding answer, but i don't get it: Suppose there's a better wheather this year and the size of the harvest of soy increased a 60%. The demand curve for soy did not ...
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Explanation of differential equation for Price Elasticity of Demand

I understand that Price Elasticity of Demand (PED) measures the percentage change in quantity demanded of a good with respect to a percentage change in its price. However, I don't quite understand ...
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Inelastic offer, tax paid by seller, who supports the charges

I have a small problem, I have a situation where we have a perfectly inelastic offer and a normal demand, then there is a tax that is paid by the supplier who supports the totality of the charges ? Is ...
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own and cross elasticity for many products

This publication uses this formula to fit a model to predict the demand of a product A: ...
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Income Elasticity of Demand for Higher Education

My model has been given as: $$\ln (H_ed) = 18.08 - 0.53\ln Pop -2.01 \ln Distance + 0.47\ln RGD $$ Where (Hed) is higher education, pop is population, and RGD = Real GDP per capita. I have been ...
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Mathematical Proof as to why does the total revenue increase when the prices are increased for an inelastic product? [duplicate]

I was recently reading up on the Price Elasticity of Demand and the section of Inelastic demand mentions that if a firm has inelastic demand for its product and wishes to increase its total revenue ...
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If the Yield (Y) of the cosnumers change, does the $Q_{D}$ remain parallel?

Because we have a change in Yield (Y) which is a factor of demand, we have a move in the $Q_D$. However, not all changes in the Yield affect the $Q_D$ the same way right? For example, if we know that $...
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Using ML to estimate demand function

Say, I am looking to estimate the demand curve for rental of a real estate property. The demand varies depending on time of the year, location, economic and demographic variables. I'd like to ...
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Can there be elasticity for income in an inferior good, when the price is out of its limits?

(Skip to 3. for the actual problem I am facing. Everything else is just to help you understand it better up to that point) Two goods $X$ and $Y$ are substitutionals. For $P_X=20$ consumers ask for $Q_{...
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Calculating price elasticity by asking a “this” or “that” question

Let's say 2 goods exist: A for 10 and B for 20 (B is more premium in this example) If I decrease the price of both goods by 10% and ask: "Do you prefer A for 9 or B for 18 " What sort of insights (...
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Elasticity of substitution of a general production function with labor-augmenting technological progress

I am following and trying to fully understand a famous and interesting work of Bentolila and Saint-paul (2003). They try to explain movements of the factor's share in terms of a relationship between ...
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How to determine intergenerational income elasticity over more than two generations?

I do have income data for individuals from different families over three generations (y, yparents, ygrandparents). To determine the two-generational social mobility, I run a simple linear regression: ...
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Necessary Goods, Price Elasticity, Long-Term Calculations

My question is a conceptual one, though it arose from a concrete calculation that I'm working on. I'm looking at the economic viability of thermal retrofits, and this author suggests including the ...
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Over What Ranges Can Elasticity Estimates Be Applied

I am reading the following paper: https://onlinelibrary.wiley.com/doi/full/10.1111/1756-2171.12113 The paper attempts to estimate the elasticity of pharmaceutical innovation (measured by # of new ...
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Finding data on (estimated) trade cost elasticities of imports

I'm an undergrad student of economics, and I need to find estimates of the trade cost elasticity of the UK's imports for some homework. My instructors pointed me to the World Bank's databases, ...
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Supply elasticity of finite (non-renewable) resources

What is the elasticity of supply of a finite (non-renewable) resource that cannot be replaced (i.e. fixed stock)? Intuitively it seems like it should be inelastic, yet I can also reason elastic.
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Is oil supply really inelastic in the short term

Is oil supply really inelastic in the short run? Though it remains evident that in the short run, the known capacities of oil can't be increased and hence we can assume that there remains a upper cap ...
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Mathematical framework for modelling the relationship between price and sales of a product

In my job as a data scientist, I am required to model the relationship between the price of a product and the sales or number of unit sold. I am trying to build a simplistic model, the assumptions of ...
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Unitary Elasticity Of Demand Question (PED=1) [duplicate]

So I was having a bit of trouble reasoning with the answer for this particular PED question. It goes like this: PED=1, Quantity Demanded=4,000 units when Price=$12 The question was: Find the price ...
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Demand Curve Price not perfectly elastic

I'm trying to make the argument that our Sales go up when prices for all our Products are 30% off. Which I believe should be our new Regular Price. but our Demand Curve doesn't support this. Should I ...
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Is there a possibility to have an inferior good (x) in a utility function where x & y have 0 cross elasticity?

A question I got on an exam that I think I messed up on: If we have cross elasticity of 0 (x & y are independent), can x be an inferior good? I answered with a yes. Am I wrong?
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Elasticity of substitution between leisure in two periods

This is a basic question, but I am new to macro models. The question is from Romer's text. Assume a household only has one member and has no initial wealth, and the household lives for two periods. ...
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108 views

Monthly price elasticity and possibility of using daily values

I am calculating the price elasticity as a starting point to find a theoretical optimal price that would maximize our revenue. I am looking at 2 years data and to use the price elasticity formula, I ...
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1answer
890 views

Price elasticity and optimal pricing in a monopoly with zero marginal cost

I am having trouble understanding how to calculate the optimal price P for a good and understand the optimal price elasticity of demand in the following condition: The firm is a monopoly seeking to ...
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1answer
106 views

Interpretation: Elasticitity of Substitution [closed]

I have this production function: $$P(x_1,x_2)=x_1+x_1*x_2$$ I am trying to find the elasticity of substitution, and I found this: $$\sigma = -\frac{d \ln (\frac{x_2}{x_1})}{d \ln(\frac{x_1}{1+x_2})}...
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Price optimization with demand forecast

I have one year sales data of a retail company and lets say I am forecasting the next month sales for the product. I have got the sales using time series in R. Now I want to forecast the price as well....
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Price and cross price Elasticity of demand [closed]

The question is: Prove or disprove, if the price elasticity of a demand of a good is unitary then the cross price Elasticity of demand of that good is zero. Any hints on how to approach this?
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How does an elastic Money Demand affects the effectiveness of fiscal policy?

From my notes: 'The elasticity of Money Demand reduces the impact on the interest rate of the increase in government spending...' My question is: if the Money Supply is inelastic, the elasticity of ...
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1answer
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How high of a carbon fee would reduce global emissions by 50% in 15 years?

OVERVIEW OF THE EMF 32 STUDY ON U.S. CARBON TAX SCENARIOS https://www.worldscientific.com/doi/pdfplus/10.1142/S201000781840002X About half of the EMF 32 models met a 50% reduction in carbon ...
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Is the law of demand violated in the case of perfectly elastic demand?

In the case of a perfectly elastic demand curve, when price rises the consumer is said to demand 0 units of the said commodity. However, graphically, even when price falls demand falls to 0. This ...
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As elasticity moves from negative to less negative, this causes prices to increase and profits to increase

Is there an intuitive way to understand why this is so. I want this explained in a layman's terms. I know negative means they are inversely related, which is what you would expect most items to follow....
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1answer
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How to maximize total revenue on constant elasticy curve

So to maximize total revenue, we sell at the price on the demand elasticity curve where elasticity=1 right? Lets say on one curve, the elasticity throughout the curve is equal to 1.5? How much should ...
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1answer
180 views

Conducting an experiment to calculate empirical elasticity with very small price changes

Let's say I want to conduct an experiment where I randomly vary the price of a product up or down by a small amount. Let's say I want to understand the price elasticity of demand for online shoppers ...
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1answer
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Inferior and normal good and the change in price of those goods

In general, We know that if a good is normal, then as your income increases, then demand of that good increases as well as price is fixed. Similarly, if a good is inferior, then as your income ...
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1answer
239 views

Price Optimization from Data

How can I find the optimal price that maximizes profits, given past sales data? I thought I could do this, but I've been running into problems. Data: ...
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Who set the price on product in the USA?

I was asking a buddy a question about pricing and he said that you can't control your own pricing. The context to this question was, I said if you tax firms more, then they're going to raise the ...
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How do you calculate the price of a good or service adjusted for scarcity?

For example, Widget A is worth \$100 when there are 50 of them available in the market, but the price goes up to $110 when there are only 40 of them left. Widget B is worth \$100 when there are 50 ...
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Does recent gasoline price sensitivity data show that HR 763 Carbon pricing insufficient for the transportation sector?

Does recent gasoline price sensitivity data show that HR 763 Carbon pricing insufficient for the transportation sector? This answer provided by: "Heh" moved to chat so it can't be seen:"Of course ...

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