Questions tagged [economics]

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Is a decreasing and assymptotic (for y=const) convex function always logarithmically convex? [migrated]

In short, I have a function p(x) which is defined for x>=0. The function is convex, decreasing and assymptotically approaches 0 for $x\rightarrow\infty$ . I need to know if $p''p>=(p')^2$ . As ...
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27 views

Create composite index from right skewed data with extreme outliers

Do you have any advice for creating an index from right skewed-data with several extreme outliers. I am new to creating indexes for analysis and could use some advice. So far I've done things like ...
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15 views

Time series data

Is it true that a covariance stationary process has a constant mean, constant and finite variance, and zero autocovariance for all observations?
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how to model price elasticity

I'm trying to model price elasticity based on price changes and I'm wondering what is the best way to do it. My data is at at the individual customer level and there's a 0/1 indicator for whether they ...
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13 views

Using ratios and the numerator as explanatory variables in regression analysis with fixed effects

I am running a fixed effects regression analysis with a ratio of number of sellers per capita and the number of sellers as explanatory variable on its own. How should I interpret the results? My ...
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13 views

What would a suitable justification be to use 'log(exports)' as a dependent variable instead of solely 'exports'? [duplicate]

I am doing a diff-in-diff analysis, looking at whether a regulation had an impact on British pollution-intensive exports. Initially I used 'total exports of pollution-intensive goods' as my dependent ...
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34 views

omitted variable bias

I have a question about omitted variables and there is a big problem about omitted issues for me. Please can you help me. Suppose that the true model is $๐‘Œ_{t} = \beta_{0} + \beta_{1}๐‘‹_{1,t} + \...
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21 views

Panel data model for policy intervention

Research question: I am writing a master thesis where I am analyzing the impact of a policy on the flow of investments from country A to country B. Data: I have highly(!) unbalanced panel data on ...
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44 views

Maximum likelihood estimation using R [closed]

I have a multiple linear regression, that I want to estimate using a MLE approach. I would like to make the fit using a Beta distribution, with parameters u and v. How can I do this using R?
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10 views

Estimation of structural cost function using maximum likelihood (MLE), in R

I am trying to estimate a structural cost function for my dissertation. The main paper that I'm using is Gagnepain & Ivaldi (2002) and they estimate equation (33): In order to do that, they used ...
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37 views

Average percentage

First time posting so I apologize if I'm leaving out something. I have a sheet to keep track of project costs and coverage ratios, see example below. First column is for expenses, second column is ...
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163 views

What do all the distributions that have the same Gini index have in common?

According to the Wikipedia article about Income inequality metrics, Gini index have the next disadvantage: As a disadvantage, the Gini index only maps a number to the properties of a diagram, but the ...
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18 views

Unrealistic results in Gpinter

I have tho following wealth tax statistic from which i want to do a Pareto interpolation using gpinter. From this table i have extracted the percentails, their corresponding thresholds and bracket ...
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How to control for population change when studying regional employment by sector?

I want to examine regional changes in employment by sector. However some regions have shrinking population and even when the economy is triving, it still shows that employment is falling, but ...
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7 views

Using supply as feature in price predictor model

On a machine learning model that outputs the optimum price of a product (ex: cars listed on some website), would it make sense to use the number of instances of that product as a feature? In the case ...