# Questions tagged [elasticity]

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

156 questions
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### Why are the formulas for price elasticity of supply and demand the same in intro microeconomics?

I get that they are both gauging responsiveness, but I don't particularly understand why they are the same formula.
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### What's the term for elastic pricing?

What I've called "elastic pricing", has a true economics name that I believe I once heard. Here's the notion: I walked into a gas station to buy a fountain drink. I only brought a dollar with me, but ...
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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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### Elasticities and exponents

Given the following 3 equations: $$Y^*_t=100+3t \\ Y_t = Y_t^* (1+(0.2 (\sin t)) \\ B_t=B_t^* (1+(0.4 (\sin t)) \\$$ And take B* to be the following, but is unknown: $$B_t^*= \alpha Y_t^* \\$$ I'...
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### Why is the Market-Clearing Price also an Equilibrium Price?

When the price is such that supply equals demand for e.g. bicycles, everybody who wants to buy a bike at that price gets one, and every bike gets sold. Everybody goes home happy and the marketplace ...
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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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### Link between elasticity and marginal utility

The above is taken from "Economics" 8th Edition by John Sloman, a textbook commonly used at the introductory undergraduate level. I would like assistance in understanding the bracketed portion - how ...
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### Clarification about demand elasticity and monopoly

I am having a difficulty understanding certain things about elasticity and would like to clarify them. What I understand. Elasticity is the percent change in quantity due to a percent change in price,...
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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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### Short term and long term price elasticity of currencies

If I have 1% of the world supply of US dollars, and I decide to sell all of them to buy Euros, how much should I expect the exchange rate to change? Is there some kind of empirically determined price ...
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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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### 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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### How to interpret income elasticity of demand

My question: Income elasticity of demand for apple is $\gamma$. Cross elasticity of demand between apple quantity and orange price is $\psi$, What is the impact on apple's revenue if consumers'...
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### Usefulness of the value for the slope of the demand curve

I see the elasticity value(s) of demand being used frequently to determine the relation between demand and variables such as price and income. I have however been unable to find any uses for the slope ...
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### Why am I getting 3 different answers for Point Elasticity of Demand?

First year Econ. Question: Demand function: $P=50-4Q$ (Price in cents/kilo) Supply function: $P=25+Q$ Equilibrium Price and Quantity: 30 cents, 5 kilos. Price change: 40 cents, 2.5 kilos. I've ...
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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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### Estimating elasticity of substitution in nested CES functions

I have aggregate data on $L_t, K_t$ and $X_t$, and want to estimate elasticity of substitution parameters, $\gamma$ and $\sigma$ for these factors. Assuming the production function takes the following ...
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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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### How do I calculate price elasticity of demand using historical price and quantity data?

I work for a company that produces retail items and I am tasked with calculating the price elasticity of demand for a subcategory that shall remain unnamed. I have 5 years of monthly market data that ...
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### Time affecting price elasticity of supply

I'm given to understand that the supply of any product at one moment is fixed regardless of the price but on the long run the firm could produce more of the product and so the supply become more price ...
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### What statistical techniques can be used for measuring price elasticity

I know that linear regression is used for calculating price elasticity. If my objective is to estimate the parameters of a causal relationship, can i use machine learning techniques like Random Forest ...
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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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### Which regression technique is used for calculating price elasticity in practice

Since we need to consider 'Endogeneity' between price and quantity while calculating price elasticity and since linear regression cannot handle the phenomenon of endogeneity if objective of the model ...
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### 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: ...