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Questions tagged [supply-and-demand]

Supply and Demand is an economic model of price determination in a market. Demand refers to how much (quantity) of a product or service is desired by buyers. Supply represents how much the market can offer.

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Predicting Shifts in Supply and Demand for Loanable Funds

I know the answer is A.  but I need an explanation on why. I thought government savings would decrease since they have less tax revenue, shifting savings left and interest rates up. I could see how ...
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Getting a market supply curve from firm supply curve

PFA the image below. As there are n firms in the market, and a tax of t moves up the cost curves of an individual firm by t units, shouldn't the cost curve of the market move up by n*t units? If yes,...
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Economics of Selling Software

My understanding: Normally, selling a product has an increasing marginal cost per unit produced. Very often this increases more and more due to poor allocation of resources (diminishing returns). ...
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By what means does prices changes?

The classical supply and demand theory states that prices and quantities of a given good (in a perfectly competitive market) are determined by the supply and demand of that good, a shift in the demand ...
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Understanding what's in the frequently reported and discussed high demand in IT specialists in Germany - is the IT Fachkräftemangel real?

So far, I can observe the following contradictory evidences what I perceive from the media. Statement group #1. In the press, there are repeated reports from different sources about missing ...
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Does the reciprocal of the price elasticity of demand have an interpretation?

I have 2 related questions that i think are straightforward but am worried I have over-simplified! (i) Suppose the demand curve is downward sloping and the supply curve is upwards sloping. Suppose ...
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Supply/Demand Shift (Find New Equilibrium)

Starting: supply curve $y=x+10$ and demand curve $y = -x+30$ with equilibrium at (10, 20). The problem states that DEMAND shifts leftwards by 3 units and to find the new equilibrium. My professor did ...
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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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Supply/Demand Curve Equation (beginner) [duplicate]

The linear demand function is $Q_D = a + b(P)$. I understand from this thread that it can be thought of as a simplification/magnification of the overall demand curve. Is there an equation that ...
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Building an square product-to-product table based on rectangular supply and use tables

I need a product-to-product input-output (I-O) table to conduct environmentally extended I-O analysis. I have supply and use tables at basic prices relating different industries and products, but ...
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167 views

Short run Aggregate supply curve is horizontal or positively sloped?

I want to understand the adjustment process from Very short run production decision to Short run production decision to Long run production decision. As far as I've understood: consider an increase in ...
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Economics Behind the Insulin Shortage?

A lot of my family is concerned about a future insulin shortage and it's reported that this shortage is growing. When I read articles from Harvard about it, they imply it's pure greed: There are ...
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AMD and Intel duopoly

What kind of duopoly competition model do these two companies "follow"? I'm doing a work in which I aim to analyze the economic outcomes after Intel's chip shortage in november 2018. Any links for a ...
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Origin of the saying “High prices are their own cure.”

Edwin Cannan (1915): An old epigram says that high prices are their own cure. Other variants of this "old epigram" include: High prices cure themselves (1911). High prices cure high prices ...
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Can Direct Taxes on the consumers have a impact on the Demand (rather than supply)?

I'm a 12th-grade student doing a school research paper evaluating the effectiveness of the recent increase in Additional Buyers Stamp Duty in the Singapore Housing market. This tax is directly imposed ...
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Are there more historical examples of big change in prices thanks to demand/supply changes like the tulip mania?

I'm currently searching for historical changes in prices as a result of a big/sudden change in demand/supply, like the tulip mania in Holland. Are there any notable examples?
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Supply elasticity on a piece-wise linear supply function

The supply elasticity at a point is the willingness to produce more or less after the price has changed (due to whatever reason?). $$\mu_{Q,P}=\frac{\partial Q_S/Q_S}{\partial P/P}=\frac{\partial Q_S}...
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Real world examples of supply curve shapes

I get the basic intuition that at higher prices, produces would be willing to produce more, but I feel like theory can only take my understanding so far. I want to know what are the real world ...
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Anti Piketty Confusing Movement Along Demand Curve with Shift

In Anti-Piketty, the author's claim that the statement "If the supply of any good is insufficient and it's price is too high, then demand for that good should decrease which should lead to a decline ...
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Problem finding Demand Function

I am analyzing pricing for a new streaming service for a school project. My thought is to calculate the demand function of a player in the same industry and then calculate the optimal price. I am a ...
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223 views

eBay economics - total revenue impact from expanding ecosystem by 1 seller

While I think my question is straight forward, I'm guessing the answer to it is anything but. Thanks in advance for any insight you may be able to offer, even if it's just a directional assist. Here'...
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534 views

Difference between Giffen and inferior goods. Why aren't all inferior goods Giffen goods?

What is the difference between an inferior good and a Giffen good? Are the two following definitions for an inferior good equivalent? Def 1: An inferior good is a good for which the demand decreases ...
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Effect of money supply on price level

Consider a macroeconomy defined by following equations M = kPy + L(r) ; S(r) = I(r) ; y = m ; Where M is money supply, P is price level, y is output, r is interest rate, while k,m are constants. S(...
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Empiric evidence of abundance and post-scarcity either transition to it? [closed]

How much are concepts of post-scarcity and abundance economics just ideological/idealist or do we really observing their beginnings already? For example: healthcare: gets more and more expensive ...
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Which utility function yields following demand $\alpha p^{\epsilon}$ [duplicate]

I am looking for a utility function that will lead to the following demand $$\alpha p^{\epsilon}$$. I know it is most likely a CES utility since the elasticity of demand is constant and this is ...
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Positive effects of a Tunisia-EU free trade agreement?

Tunisia might be signing a free trade agreement with the EU very soon. It's called ALECA or DCFTA. Many activists and labor unions are opposing such an agreement because it would result in losing ...
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278 views

Supply curve when the marginal cost is zero

The supply curve is built as the average marginal cost (MC), when the MC is equal or higher than the average cost (AC) The marginal cost increases, as a result of the opposite effect of marginal ...
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168 views

Is there any formal definition of a relationship between resource availability and demand?

I do not have any background on economics. So my question might sound too simple and I hope it to be clear enough. I am curious about the following: Is there any formal definition of a relationship ...
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What is a good way to generate realistic utility curves?

I am aiming to program a basic simulation of a simplified economy to look at the impact of various interventions. The economy will have N groups of homogeneous consumers and M producer / employer ...
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37 views

How can you model/simulate the price/value of a good?

Let's say that you have a good which price can change quite often because of its demand. Let's assume that you developed an algorithm that changes continuously the supply of the good to make its value ...
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5answers
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Is Bill Gates wrong about supply demand curves?

In a recent tweet (Aug 14th, 2018, reproduced below), Bill Gates said that supply demand curves don't work for software because the first unit costs a lot and every unit after that is free. Isn't this ...
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What is the difference between aggregate supply and GDP?

Usually when I read online, I see the following repeated frequently: aggregate demand is equal to GDP. I understand that aggregate expenditures is the aggregate demand at a particular price level, and ...
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Question on shifts in Supply and Demand Curves

I have a super basic question on the shift in supply and demand curves ( I haven't seen this stuff since high school). More generally, this is about solving systems of simultaneous equations. We have ...
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What's the effect of the used car market on car price?

While justifying his decision to sell a one-use textbook to his students, a BYU econ professor states: A word about the Kearl text. I do not receive any royalties and have no economic interest in ...
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61 views

Is it right to derive social marginal benefit by adding individual prices instead of quantities?

I come across a lecture material on market functions and externalities that makes me quite confused. Here's the setup: Two stores are located next to each other. If one installs a camera system in ...
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If price increases and quantity remains the same can we infer that demand is perfectly inelastic?

My college tutor told me that demand for college admission at our institute is price inelastic. She says so, because, in the past 20 years, price of college education at our institute has increased, ...
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Flooding the real estate market with luxury homes: will average prices rise or fall?

If every middle class single-family detached home in a sprawling metropolitan area like Los Angeles were each replaced with two luxury condos over a short period, would average real estate prices rise ...
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In Supply and Demand is Quantity the Amount of Inventory of the Amount of Units Sold?

I am new to economics in school and we are going over supply and demand. This may sound like a very simple question, but I just need one thing clarified. When quantity is mentioned in the graphs is ...
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What are “the fundamental categories of economics”?

I had an introductory class in marketing last week, and the professor wanted to test our previous knowledge of economics (we are juniors). He asked us this simple question: "What are the fundamental/...
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Is there an intuitive explanation for the tax incidence formula from elasticity?

You're probably familiar with the formula for tax incidence (in a standard Principles framework) from elasticity. Specifically, that the consumer share is $$\frac{\varepsilon_S}{\varepsilon_S+|\...
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68 views

Market demand independent of distribution of income

If preferences are identical and homogeneous, then show that market demand for any good must be independent of the distribution of income. My workings are as follows: $$q^{d}(p)=\sum_{i=1}^{n}f(p_x,...
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433 views

Find optimal price from demand function?

I've been struggling with this for hours, trying to figure out how to solve this. "A perfectly competitive market has the marginal cost function, c (cost is C(y)=cy) and is facing the demand function:...
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55 views

Cross price elasticity of demand vs Price elasticity of demand

Is the cross price elasticity of demand between two goods always lower in magnitude than the price elasticities of demand of each good?
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Can marginal revenue be increasing?

As per my calculations, the derivative of the MR curve is given by: MR'(q)=2p'(q)+qp''(q), where p(q) is the inverse demand curve. Therefore,for a downward sloping demand curve, if the second ...
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How can the bond market be overvalued when the value of a bond is a function of interest rates?

I seem to have a major misconception in my understanding of the bond market and how interest rates and demand and supply influence valuation levels. I hope someone will be able to clarify. My ...
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1answer
398 views

Demand Curve Equation Explanation

I've been reading (trying to brush up on my economics knowledge) and came across the equation: $q_D = a + b(P)$. The variable $a$ is explained as "factors other than price affecting demand." I read ...
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2answers
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Does it make economic sense for only some universities in a certain area to pay their sports scholars?

Apparently ‘Athletic scholarships are common in the United States, but in many countries they are rare or non-existent.’ But are there countries where there are some universities that offer sports ...
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Using capacity share instead of quantity market share in demand estimation (BLP)

If I were to use capacity share (as a proxy of quantity market share) in a demand estimation setup (such as BLP), are there ways to deal or interpret the measurement error? I would consider this ...
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A Question About The Laws Of Demand [duplicate]

The law of demand holds that ceteris paribis, a decrease of demand can be caused by an increase in price. However, it is also true that when demand decreases, the price will decrease, it will fall. ...
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Why can't the Land-Value Tax (in some cases) be passed on to tenants?

According to https://en.wikipedia.org/wiki/Land_value_tax: Because the supply of land is essentially fixed, land rents depend on what tenants are prepared to pay, That doesn't make any sense. If ...