Details about Achim Ahrens

Access statistics for papers by Achim Ahrens.

Last updated 2023-03-07. Update your information in the RePEc Author Service.

Short-id: pah173

Working Papers

2023

1. The Labor Market Effects of Restricting Refugees' Employment Opportunities
   IZA Discussion Papers, Institute of Labor Economics (IZA) View citations (2)
2. ddml: Double/Debiased Machine Learning in Stata
   IZA Discussion Papers, Institute of Labor Economics (IZA)
   Also in Papers, arXiv.org (2023)
   Swiss Stata Conference 2022, Stata Users Group (2022)
3. pystacked: Stacking generalization and machine learning in Stata
   Papers, arXiv.org
   Also in Swiss Stata Conference 2022, Stata Users Group (2022)

2022

4. Double/debiased machine learning in Stata
   Italian Stata Users' Group Meetings 2022, Stata Users Group
5. Stacking generalization and machine learning in Stata
   Italian Stata Users' Group Meetings 2022, Stata Users Group

2020

6. A review of the methodologies used in compiling owner-occupiers’ housing indices
   Papers, Economic and Social Research Institute (ESRI) View citations (2)
7. Urban rents and commuting times in Ireland
   Papers, Economic and Social Research Institute (ESRI)

2019

8. Price regulation, inflation, and nominal rigidity in housing rents
   Papers, Economic and Social Research Institute (ESRI) View citations (2)
   See also Journal Article in Journal of Housing Economics (2021)
9. lassopack: Model Selection and Prediction with Regularized Regression in Stata
   IZA Discussion Papers, Institute of Labor Economics (IZA) View citations (14)
   Also in Papers, arXiv.org (2019) View citations (15)
   See also Journal Article in Stata Journal (2020)

2018

10. LASSOPACK and PDSLASSO: Prediction, model selection and causal inference with regularized regression
    London Stata Conference 2018, Stata Users Group View citations (2)

2015

11. Civil conflicts in Africa: Climate, economic shocks, nighttime lights and spill-over effects
    SEEC Discussion Papers, Spatial Economics and Econometrics Centre, Heriot Watt University View citations (1)

Journal Articles

2021

1. Do rising rents lead to longer commutes? A gravity model of commuting flows in Ireland
   Urban Studies, 2021, 58, (2), 264-279 View citations (2)
2. Price regulation, inflation, and nominal rigidity in housing rents
   Journal of Housing Economics, 2021, 52, (C) View citations (3)
   See also Working Paper (2019)

2020

3. Commuting across the Irish border
   Economics Letters, 2020, 190, (C) View citations (2)
4. lassopack: Model selection and prediction with regularized regression in Stata
   Stata Journal, 2020, 20, (1), 176-235 View citations (43)
   See also Working Paper (2019)

2019

5. Changes in Land Cover and Urban Sprawl in Ireland From a Comparative Perspective Over 1990–2012
   Land, 2019, 8, (1), 1-14 View citations (13)

2015

6. Civil Conflicts, Economic Shocks and Night-time Lights
   Peace Economics, Peace Science, and Public Policy, 2015, 21, (4), 433-444 View citations (2)
7. Do execution moratoriums increase homicide? Re-examining evidence from Illinois
   Applied Economics, 2015, 47, (31), 3243-3257 View citations (1)
8. Two-Step Lasso Estimation of the Spatial Weights Matrix
   Econometrics, 2015, 3, (1), 1-28 View citations (19)

2012

9. Conditionality or specificity? Bulgaria and Romania's economic transition performance in comparative perspective
   Post-Communist Economies, 2012, 24, (2), 291-307 View citations (2)

Software Items

2023

1. DDML: Stata module for Double/Debiased Machine Learning
   Statistical Software Components, Boston College Department of Economics
2. PYSTACKED: Stata module for stacking generalization and machine learning in Stata
   Statistical Software Components, Boston College Department of Economics

2020

3. LASSOPACK: Stata module for lasso, square-root lasso, elastic net, ridge, adaptive lasso estimation and cross-validation
   Statistical Software Components, Boston College Department of Economics View citations (19)

2019

4. PDSLASSO: Stata module for post-selection and post-regularization OLS or IV estimation and inference
   Statistical Software Components, Boston College Department of Economics View citations (17)