All Questions
Tagged with logarithm econometrics
29
questions
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Log transformation uses
I am trying to understand how the migration of a male member affects the number of hours spent by left-behind women in various agricultural and non-agricultural activities. I used a simple OLS model ...
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1
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59
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Detrending and data transformation to logarithm can be done together?
I want to get the effect of bitcoin price changes on foreign currency price. The third variable is inflation, which is an explanatory variable.
Should variables be detrended before regressing? Is it ...
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72
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Deriving the Exact Percentage Change Formula in Logarithmic Models
I have been studying the relationship between logarithmic changes and percentage changes in the context of regression analysis. I understand that when working with small changes, the change in the ...
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249
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Diffrence in logs vs. a % changes in econometrics: why is the dif log approvimation almost always used when the exact quantity is easily available?
I have observed that in econometrics work people almost always use the difference in logs rather than the actual percentage change. This makes no sense to me. I understand that the difference in logs ...
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64
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VECM terms of variables
I have estimated a VECM model of 4 endogenous variables and 3 exogenous, before solving my model, I would like to introduce another variable (endog, let's say (X)) which is calculated with a formula ...
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How to setup data properly for regression analysis to calculate price elasticity?
I am working on a project to try understand Linear Regression a bit deeper (they say experimenting is key and getting lost is part of the process) :(
In this project, let's assume I have a watch shop. ...
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What are the limits of inverse hyperbolic sine for regression?
I know that if your data contains zeros, log transforming your variable can be problematic, and all the zeros become missing. It is often suggested to use the inverse hyperbolic sine transform, rather ...
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Log-Log regression not giving me elasticity [duplicate]
Ive got a regression in the form log(y) = a +b1x1 + b2x1^2 + b3x2 + b4x3 + b5* log(x4).
I've interpreted my coefficients as they should be interpreted.I figured out the quadratic and e^b3 and e^b4 are ...
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Interpreting coefficients in log-log model with dummy for elasticity
I'm running an analysis of two products, X and Y, and I'm particularly interested in understanding the elasticities. However, I'm struggling to interpret the results.
I'm using a log-log model, and in ...
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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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log regression - what is the last variable in this equation? it wasn't defined can this be the error term?
Can someone help me understand what ∆η_it is?
EDIT: From the comments, the paper is Hunt, J., & Gauthier-Loiselle, M. (2010). How much does immigration boost innovation?
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Log-Log Regression - Dummy Variable
I have following regression:
logCPI = 1,2922 - 0,3525*logGDP + 0,4239*logImport + 0,2115*logNEER + 0,6291*logWAGE + 0,0121*dummy
How should I interpret last variable (dummy variable)? The regression ...
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1
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333
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Interpretation of Regression Coefficients with log transformation [closed]
I am struggling to understand the interpretation of the regression coefficient in a log-log model, log-linear model and linear-log model. To give an example, let's assume that I have the following ...
- 486
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3k
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Price elasticity in logistic regression with log price
I'm estimating demand and calculating price elasticity using logistic regression.
In logistic regression with level price, elasticity is
$$ \alpha*price*(1-share)$$
while if one uses log of price, ...
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1
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828
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Why is it justified to use squared and cubed terms in log specifications
In the textbook, Introductory Econometrics (Wooldridge), the concept of specifying log/log, level/log ... , is explained as a tool to understand the relationships of the regerssors either in relative ...
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