Details about Achim Ahrens

Access statistics for papers by Achim Ahrens.

Last updated 2019-02-01. Update your information in the RePEc Author Service.

Short-id: pah173

Working Papers

2019

1. Iassopack: Model Selection and Prediction with Regularized Regression in Stata
   IZA Discussion Papers, Institute of Labor Economics (IZA)
   Also in Papers, arXiv.org (2019)

2018

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

2015

3. Civil conflicts in Africa: Climate, economic shocks, nighttime lights and spill-over effects
   SEEC Discussion Papers, Spatial Economics and Econometrics Centre, Heriot Watt University

Journal Articles

2019

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

2015

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

2012

5. 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

2019

1. 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 (2)
2. 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 (3)