Questions tagged [marginal]

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Derive the cost function and supply function from production function

I didn't study economics, but am quite interested in the topic. I came to the question whether I could derive the supply curve / marginal cost function from the production function and I actually ...
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59 views

How should I calculate bulk selling price for a small business?

Some friends of mine run a small business, in a small garage-like space, with a few employees, making and selling "plumbuses". The typical customer orders about 5 plumbuses at a time. When I heard ...
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Explaining negative “cyclic” unemployment with a production function

First of all, here is a related post. Unfortunately, it does not answer my question. I have heard that there is an understanding of negative unemployment in economic theory. Obviously, absolute ...
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115 views

Vertical Marginal Cost curves

When would a marginal cost curve be vertical? I understand this happens when the marginal cost jumps, from say 0 to 100, but in such a case, I think there should be a discontinuity rather than a ...
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34 views

Where to start, to know the cost, in hours of work, necessary to produce one more car (or any other good)?

Let's say I want to buy a car. It costs that, so I can know that, for example, I have to work 3 months to pay for it. But does the car really needs three months of human work to be build? What is the ...
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1answer
2k 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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7 views

Non Linear regression to obtain diminishing marginal effect / elasticity

I am working with some real estate data on housing units. For a given market, I have data on occupied units, rents, and control variables such as population, demographics, income levels etc. I'd like ...
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29 views

The shift of Marginal Cost Curve

In standard microeconomics textbooks they usually assume that the cost curve consists of just two variables which are Capital and Labor ( I'm talking about this equation: TC = rK + wL) So when we ...
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19 views

Elasticity of substitution, marginal rate of substitution and price ratio

so there is a problem I do not know how to tackle: The is an utility maximisation problem and the solution to the Lagrangian leads to:$$\frac{C_1}{C_2}=(1+\rho)^\frac{1}{\sigma}(\frac{P_1}{P_2})^\...
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14 views

Does a depreciation in the Dollar lead to a reduction in the US' marginal propensity to import?

Does a depreciation in the Dollar lead to a reduction in the US' marginal propensity to import? I thought it would because a weaker dollar makes imports more expensive, so consumers spend less of ...
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Which Is The Better Way To Calculate Marginal Revenue? Using Derivative Or R(Q)-R(Q-1)?

I Still A Bit Confused About Marginal Revenue. Since Marginal Revenue Is The Additional Revenue We Get From Producing 1 Additional Good. That Means Marginal Revenue Is R(Q) - R(Q-1). My Teacher Says ...
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2answers
299 views

Does the Marginal Propensity to Import = negative Marginal Propensity to Tax?

the multiplier $= \frac{1}{(1-MPC)}$ and the multiplier $= \frac{1}{MPW} = \frac{1}{MPS+MPM+MPT}$. Now since $MPC + MPS = 1$ it follow that $1-MPC = MPS$, therefore the multiplier = $\frac{1}{(...
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517 views

Marginal rate of substitution(yx) question

For utility function U= ln(x)+Y How do I determine if MRS(yx) is diminishing or not for this question? I got Mu(x)=1/x and Mu(y)= 1 MRS(yx)=Mu(y)/Mu(x)= 1/1/x = x Does this mean that MRS(yx) is ...