# Questions tagged [economics]

For questions regarding the mathematical analysis of economic models and problems. This includes questions about the formulation or solution of models from microeconomics or macroeconomics.

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### Financial math savings problem

At the end of every month I deposit a 1000 dollars into my bank account for a period of 15 years with a nominal interest rate of 14% per annum with half-yearly compounding that falls under a 15% tax. ...
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### Lagrangian optimisation problem

If labour $L > 0$ and capital $K > 0$ and they are used to produce 2 goods (1 and 2) so we have $$L = l_1 + l_2 ,$$ $$K = k_1 + k_2 ,$$ and all $l_i$ and $k_i$ are non-negative. Production ...
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### How do I find what cost level(Y) is correct for my target marginal cost(Y) per result(X), without using a table?

I have a data set of Cost(Y) and Results(X). Using this data I've calculated the marginal cost per results for the different cost levels. Marginal cost per results is calculated as: (this cost - ...
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### TIME INTEGRAL PROBLEM: Taking an integral of a growth-rates-form equation with respect to time

I am trying to solve the following problem as described here: https://www.adb.org/publications/total-factor-productivity-testing-growth-models (pages 4-5) http://digamo.free.fr/macombie98.pdf (pages ...
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### Wages Regressed on Education and Experience: Estimate Effect of Changing Parameter?

I'm confused about the last question. I will quickly go through the beginning parts, so you can skip to question 3 at the very bottom as it may not be necessary. Estimate linear regression for log ...
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### How to find elasticity

I have come by this problem in microeconomics. The question is "is the good q1 an inferior-, normal- or luxury good?" How do I go about this problem. I don't understand how to actually solve ...
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### Differential Equations - How to solve a logistic growth model with the added mean

For the general logistic growth model that can be applied to biology and economics $\frac{dP}{dt} = gP(1-\frac{P}{K})$ I know to separate the variables and divide by $P(1-\frac{P}{K})$ resulting in \$...