first difference

  1. A

    Interpretation of log transformed first differences in SVAR models

    I am working with a structural VAR analysis, and want to understand my results. The model studies how a shock on one variable affects a second variable. I understand that if the first month's response is +3 %, it means that the initial value of the response variable increases by 3 percent...
  2. E

    Help with First Differencing in STATA

    Hello I am a student working with STATA for the first time. I am using panel data for the English Premier League football from 2010 to 2015 and am having trouble with first differencing my data to control for unobserved heterogeneity. Overall, I am interested in how a team's total player salary...
  3. N

    Correlation to determine the best reference series for homogenization

    Before asking this, I read similar questions, but none of them lead to satisfying answer for my specific interest. I want to homogenize a 64 years (1940-2003) climate time series of precipitation of Dominican Republic. For that, it is really important to select a reference series among a group...
  4. V

    First differences

    I have a panel data set over a 5 year period, with which I have undertaken pooled ols, fixed effect and random effect estimation. Conducting a Hausman test shows that fixed effects is the most appropriate model. I have been advised that I need to carry out a first difference regression. Is it...
  5. L

    Regression in First and Second Differences

    I am running a regression in STATA to determine if temperature effects natural gas production in Russia and I am including the following variables into the regression: y-variable: natural gas production x-variables: price, consumption, reserves, tempanomaly, and a dummy variable (to account...