Questions tagged [economics]

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Economics | IGNOU MEC-103 [closed]

Distinguish between the characteristics of first and second-order difference equations. Give examples of economic problems that are solved with the help of each category of such equations.
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Statistical testing between two time periods to determine a change

I am trying to determine what model to use when testing how an index sector performance changes as we go from environment 1 to environment 2. The environment is based on changes in inflation and is in ...
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11 views

Calculating relative measures in panel data?

How would I do this in Stata "The relative measure is calculated as the number of standard of deviations the log of total assets of a bank I at time period T deviates from the mean total assets ...
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DiD by using a non-time dummy variable - Methodology Issue

I do have a theoretical question about a difference-in-difference (DiD) model I constructed in Stata. Construction: Over a monthly time span of 7 years I try to analyze the impact of investment-volume ...
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2answers
46 views

Calculating sample size with power analysis

I have to calculate the sample size for an experimental study and took some sample distributions data from a previous similar research and calculated the means and standard variations for before and ...
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1answer
376 views

How to test multicollinearity in Fixed Effects Model in R?

I was using plm package in R and run some pooling and fixed effects model. For ...
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1answer
228 views

Using percentage change as a dependent variable?

If I use percentage change as my dependent variable what is the correct modeling method? I am trying to see how the size of a company affects its losses due to COVID-19. I use quarter over quarter ...
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0answers
31 views

Maximum likelihood estimate of rate of relative risk aversion in R fails [closed]

I try to estimate the relative rate of risk aversion gmma of a CRRA function using R. The likelihood maximisation either does not converge or produces an unrealistic estimate. In order to make the ...
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1answer
25 views

Contradicting Single Index model assumptions

http://www.columbia.edu/~gmg2/4706-00/pdf/lect_05nn.pdf In the above paper there is that given the equation of the single index model, Let $x_m$ denote the market index portfolio we have $\bar R_m=...
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Can I use logistic regressions and least squares coefficients in a meta-analysis?

I am trying to write a Economics meta-analysis. The papers that I have collected so far contain a 50/50 split between OLS models and Logistic regressions (coefficients reported as odds ratios). If we ...
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0answers
49 views

How would I interpret a dummy variable and interaction term in this time series analysis using ARDL?

I'm doing an econometrics paper analyzing the impacts of oil price shocks on GDP growth. In one of my models, I use change in nominal oil prices, a dummy variable representing negative oil price ...
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45 views

Behaviour of two variables, where one variable is a ratio of another, in Labour Economics

I am trying to reproduce the result found in an old paper by Harvey S. Rosen, titled "Tax Illusion and the Labor Supply of Married Women Author", using a different dataset. The model that is ...
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70 views

Event study with time-varrying treatment intensities

I did a diff in diff to determine the effect of a policy that was implemented nationally time t=0, ( i.e. treatment occured nationally at time t=0). I use some pre-existing characteristics in various ...
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36 views

How to incorporate Week, Weekday, Holiday, and Hour Fixed Effects in Regression for Stata

thank you for taking the time to read and help! I currently have data from 2017-2020 July and with the variables date, hour (1-24), and amount in dollars. I want to incorporate Week, Weekday, Holiday, ...
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209 views

Testing the sum of coefficients in regression analysis in R [duplicate]

Hi StackExchange community, I would like to ask how to perform a statistic test on the sum of coefficients in regression analysis in R, possibly using a Wald test. As per my data, I have the ...
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0answers
44 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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0answers
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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31 views

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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0answers
15 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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0answers
15 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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50 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 $𝑌_{t} = \beta_{0} + \beta_{1}𝑋_{1,t} + \...
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34 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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1answer
64 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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0answers
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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39 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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0answers
339 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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0answers
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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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0answers
15 views

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 ...