Here's a comprehensive Zenodo description explaining all files and their use in Google Colab:Replication Materials: Haiti-Dominican Republic Natural ExperimentOverviewThis repository contains complete replication materials for "Shared Island, Divergent Institutions: The Dominican Republic as Counterfactual Evidence for Legal Infrastructure Investment in Postcolonial Civil Law Systems." All analyses are reproducible in Google Colab with zero local installation required.Repository Contents📊 Primary DataIPRI- 2007 - 2025 data[25].xlsx (437 KB)Complete IPRI dataset (2007-2025) for 144 countries including Haiti, Dominican Republic, and all comparator nations. Contains overall IPRI scores plus component indices (Legal Protection [LP], Physical Property Rights [PPR], Intellectual Property Rights [IPR]).📓 Analysis Notebooks (Google Colab Ready)1. HISPANIOLA.ipynb (973 KB) - Main Analysis NotebookCore statistical analysis including:Country-specific trajectory analysis with R² valuesBeta/sigma convergence testsRank stability analysis (Spearman correlation)Descriptive statistics and summary tablesHow to use in Colab:# 1. Upload to Google Colab# 2. Mount Google Drive or upload IPRI xlsx file# 3. Run all cells sequentially# Generates: summary_statistics.csv, dr_haiti_comparison_data.csv2. DIAGRAMS.ipynb (879 KB) - Publication FiguresCreates publication-quality figures for manuscript:Figure 1: IPRI Divergence trajectories (2007-2025)Figure 2: PPR Collapse comparisonRegional comparison visualizationsDominican-Haiti side-by-side comparisonHow to use in Colab:# Requires: IPRI xlsx file, summary_statistics.csv# Generates: Figure1_IPRI_Divergence.png/.pdf, Figure2_PPR_Collapse.png/.pdf# All figures saved in publication-ready format (300 DPI)3. ADVANCED.ipynb (1.05 MB) - Econometric & ML AnalysisAdvanced methodological analyses:K-means clustering (k=4, silhouette validation)Machine Learning (Random Forest, Gradient Boosting)Unit root tests (ADF, KPSS)Synthetic control method (2011 treatment)Difference-in-differences (with limitations note)Component mechanism decomposition (LP/PPR/IPR)How to use in Colab:# Most comprehensive notebook - runs ALL analyses# Requires: IPRI xlsx file# Runtime: ~3-5 minutes# Generates: All PNG figures + haiti_dr_analysis_summary.csv📈 Generated FiguresPublication Figures (Manuscript):Figure1_IPRI_Divergence.png/.pdf - Main trajectory comparisonFigure2_PPR_Collapse.pdf/.png - Physical property rights component breakdownSupplementary Analysis Figures:haiti_dr_trajectories.png - Linear trends with R² valuesconvergence_tests.png - Beta/sigma/rank stability (3-panel)clustering_analysis.png - K-means results with elbow methodml_analysis.png - Random Forest/Gradient Boosting performancesynthetic_control.png - Counterfactual DR constructiondid_analysis.png - Difference-in-differences visualizationmechanism_decomposition.png - LP/PPR/IPR gap breakdownregional_comparison.png - Caribbean & Latin America contextdominican_haiti_comparison.png - Detailed side-by-side📋 Data Tables (CSV)summary_statistics.csv - Descriptive statistics by countrydr_haiti_comparison_data.csv - Year-by-year comparison datasethaiti_dr_analysis_summary.csv - Complete analysis results table📖 DocumentationREADME.md - Detailed methodology, data sources, variable definitions🚀 Quick Start in Google ColabOption 1: Run Complete Analysis (Recommended)# 1. Open ADVANCED.ipynb in Google Colab# 2. Upload IPRI- 2007 - 2025 data[25].xlsx when prompted# 3. Run all cells (Runtime > Run all)# 4. Download all generated figures from Files panelOption 2: Reproduce Manuscript Figures Only# 1. Open DIAGRAMS.ipynb in Google Colab# 2. Upload IPRI xlsx file# 3. Run all cells# 4. Download Figure1 and Figure2 (PNG/PDF)Option 3: Basic Descriptive Analysis# 1. Open HISPANIOLA.ipynb in Google Colab# 2. Upload IPRI xlsx file# 3. Run all cells# 4. Download CSV tables📦 Dependencies (Auto-Installed in Colab)All notebooks include automatic package installation:pandas, numpy - Data manipulationmatplotlib, seaborn - Visualizationscipy, statsmodels - Statistical testsscikit-learn - Machine learning & clusteringlinearmodels - Panel data econometricsarch - Unit root testsopenpyxl - Excel file readingNo manual installation required - all dependencies install automatically when you run the first cell.🔬 Methodological NotesData AvailabilityHaiti: 2013-2025 (11 years) - IPRI range: 2.13-3.40Dominican Republic: 2007-2025 (19 years) - IPRI range: 3.96-5.03Treatment year: 2011 (Ciudad Juan Bosch Law 189-11)Key LimitationsDID Constraint: Haiti data begins 2013, so no pre-2011 overlap for true difference-in-differences. We use synthetic control method as primary causal inference strategy.Sample Size: N=16 countries for clustering (14 comparators + 2 target countries).Unit Roots: Both Haiti & DR exhibit non-stationary time series (ADF p>0.05), consistent with systematic trends.ReproducibilityAll random processes use random_state=42 for exact replicationAll figures saved at 300 DPI for publication qualityComplete analysis runtime: ~3-5 minutes on Google Colab free tier📊 Key Findings (Replicated from Notebooks)Trajectory Analysis:Haiti: -0.0563 points/year (R²=0.541, p=0.0099) - 37% declineDominican Republic: +0.0318 points/year (R²=0.359, p=0.0067) - 17% improvementDivergence rate: 0.0881 points/year (~0.88 points per decade)Clustering:Haiti assigned to unique Cluster 3 (alone, worst trajectory)DR assigned to Cluster 2 (with Costa Rica, Panama, Jamaica)ANOVA F=18.01, p<0.001 (highly significant)Synthetic Control:Treatment effect: +0.050 IPRI points (post-2011)Optimal weights: Nicaragua (42%), El Salvador (29%), Mexico (20%), Chile (8%)Machine Learning:Test R² = 0.988 (Gradient Boosting)Feature importance: LP (47%) > IPR (38%) > PPR (14%)📧 Contact & CitationFor questions about replication or data:Scott Brown (Universidad de Puerto Rico): [email protected] Welker (Utah Valley University)Paul LaTortue (Université de Notre Dame d'Haiti)Theany Calderon-Abreu (Universidad de Puerto Rico)Suggested Citation:Welker, A., LaTortue, P., Calderon-Abreu, T., & Brown, S. (2025). Shared Island, Divergent Institutions: The Dominican Republic as Counterfactual Evidence for Legal Infrastructure Investment in Postcolonial Civil Law Systems [Data set]. Zenodo. https://doi.org/10.5281/zenodo.17695109📜 LicenseAll materials licensed under Creative Commons Attribution 4.0 International (CC BY 4.0).You are free to share and adapt with appropriate attribution.Copyright © 2025 The Authors.🔗 Related MaterialsPreprint: [Link when available]Journal submission: Constitutional Political Economy (under review)Companion paper: 17-country Spanish civil law panel analysisCode repository: All notebooks maintained on Zenodo with version controlThis repository provides complete transparency for peer review and enables exact replication of all analyses, figures, and tables in the manuscript.

Dominican Republic-Haiti Property Rights Institutional Divergence AnalysisOverviewThis repository contains the complete replication package for a comparative analysis of property rights institutions between the Dominican Republic and Haiti (2007-2025), using International Property Rights Index (IPRI) data.Key Finding: The analysis documents a 106.6% expansion in the institutional gap between the two countries, with Physical Property Rights (PPR) accounting for the largest divergence (3.60-point gap in 2025).Files IncludedAnalysis CodeHISPANIOLA.ipynb (973 KB) - Main statistical analysis notebookDIAGRAMS.ipynb (879 KB) - Figure generation notebookData FilesIPRI- 2007 - 2025 data[25].xlsx (437 KB) - Complete IPRI dataset2,437 observations across 27 variablesCoverage: 2007-2025, 125+ countriesDocumentationREADME.md (12.9 KB) - Comprehensive documentation with:Variable definitionsReplication instructionsStatistical methodologyFigures (Publication Quality)Figure1_IPRI_Divergence.png (267 KB) - Overall institutional divergence time seriesFigure1_IPRI_Divergence.pdf (41 KB) - Vector format for publicationFigure2_PPR_Collapse.png (381 KB) - Physical Property Rights dual-panel comparisonFigure2_PPR_Collapse.pdf (46 KB) - Vector format for publicationAdditional Visualizationsdominican_haiti_comparison.png (575 KB) - Four-panel component analysisregional_comparison.png (114 KB) - Caribbean regional benchmarkingData Exportsdr_haiti_comparison_data.csv (1.5 KB) - Time series data for both countriessummary_statistics.csv (221 bytes) - Key divergence metricsQuick Start: Running the AnalysisOption 1: Google Colab (Recommended - No Installation Required)Upload the main notebook:Go to Google ColabClick File → Upload notebookSelect HISPANIOLA.ipynbUpload the data:Click the folder icon 📁 in the left sidebarClick upload buttonSelect IPRI- 2007 - 2025 data[25].xlsxInstall required libraries:  python !pip install pandas numpy matplotlib seaborn scipy openpyxlRun the analysis:Click Runtime → Run allAnalysis completes in 2-3 minutesDownload results:Generated files appear in the files sidebarRight-click to downloadOption 2: Generate FiguresUpload DIAGRAMS.ipynb to Google ColabUpload IPRI- 2007 - 2025 data[25].xlsxRun all cellsDownload generated PNG and PDF figuresData StructureDataset: 2,437 observations × 27 variables (2007-2025)Core Variables:IPRI - Overall International Property Rights Index (0-10)LP - Legal and Political Environment (0-10)PPR - Physical Property Rights (0-10)IPR - Intellectual Property Rights (0-10)Año - YearCountry - Country nameISO3 - ISO 3-letter country codeCountry Coverage:Dominican Republic: 19 years (2007-2025) - complete seriesHaiti: 13 years (2013-2025) - partial seriesKey Statistical ResultsMetricValueDR IPRI change (2007-2025)+0.66 points (+16.6%)Haiti IPRI change (2013-2025)-1.27 points (-37.3%)Overall gap (2025)2.48 pointsPPR gap (2025)3.60 pointsHaiti PPR collapse-78.8% (3.40 → 0.72)Annual divergence rate0.088 points/yearGap expansion106.6% (1.20 → 2.48 points)Outputs ExplainedFiguresFigure 1: Institutional Divergence (1 panel)Time series comparing overall IPRI scoresShows Dominican Republic improvement vs. Haiti collapseShaded area illustrates growing gapFigure 2: Physical Property Rights Collapse (2 panels)Left: Dominican Republic PPR stability (≈4.3)Right: Haiti PPR catastrophic decline (→0.72)Annotations for key events (Law 189-11, COVID-19/Moïse assassination)Additional Visualizations:dominican_haiti_comparison.png - Four-panel component breakdownregional_comparison.png - Caribbean benchmarking against Costa Rica, Jamaica, Panama, ColombiaData Exportsdr_haiti_comparison_data.csv contains:Year-by-year IPRI scoresComponent scores (LP, PPR, IPR)Calculated gapssummary_statistics.csv contains:Correlation coefficientsRegression slopesComponent gapsVolatility measuresPercentage changesSystem RequirementsSoftware:Python 3.7 or higherJupyter Notebook (or Google Colab)Python Packages:pandas ≥ 2.0numpy ≥ 1.20matplotlib ≥ 3.3seaborn ≥ 0.11scipy ≥ 1.7openpyxl ≥ 3.0 (for Excel file reading)Hardware:Minimum: 2 GB RAMRecommended: 4 GB RAMDisk space: 10 MBData SourceProperty Rights Alliance. (2025). International Property Rights Index 2025. Washington, DC: Tholos Foundation.Available at: https://www.propertyrightsalliance.org/Acknowledgment: We thank the Property Rights Alliance for making the IPRI dataset publicly available.LicenseThis replication package is licensed under Creative Commons Attribution 4.0 International (CC BY 4.0).You are free to share and adapt this material with appropriate attribution.ContactFor questions about replication or data access, please contact the journal editorial office.NoteThis replication package supports a manuscript currently under review. Complete citation information and permanent repository will be provided upon acceptance.Last updated: November 2024

Here's a comprehensive Zenodo description explaining all files and their use in Google Colab:Replication Materials: Haiti-Dominican Republic Natural ExperimentOverviewThis repository contains complete replication materials for "Shared Island, Divergent Institutions: The Dominican Republic as Counterfactual Evidence for Legal Infrastructure Investment in Postcolonial Civil Law Systems." All analyses are reproducible in Google Colab with zero local installation required.Repository Contents📊 Primary DataIPRI- 2007 - 2025 data[25].xlsx (437 KB)Complete IPRI dataset (2007-2025) for 144 countries including Haiti, Dominican Republic, and all comparator nations. Contains overall IPRI scores plus component indices (Legal Protection [LP], Physical Property Rights [PPR], Intellectual Property Rights [IPR]).📓 Analysis Notebooks (Google Colab Ready)1. HISPANIOLA.ipynb (973 KB) - Main Analysis NotebookCore statistical analysis including:Country-specific trajectory analysis with R² valuesBeta/sigma convergence testsRank stability analysis (Spearman correlation)Descriptive statistics and summary tablesHow to use in Colab:# 1. Upload to Google Colab# 2. Mount Google Drive or upload IPRI xlsx file# 3. Run all cells sequentially# Generates: summary_statistics.csv, dr_haiti_comparison_data.csv2. DIAGRAMS.ipynb (879 KB) - Publication FiguresCreates publication-quality figures for manuscript:Figure 1: IPRI Divergence trajectories (2007-2025)Figure 2: PPR Collapse comparisonRegional comparison visualizationsDominican-Haiti side-by-side comparisonHow to use in Colab:# Requires: IPRI xlsx file, summary_statistics.csv# Generates: Figure1_IPRI_Divergence.png/.pdf, Figure2_PPR_Collapse.png/.pdf# All figures saved in publication-ready format (300 DPI)3. ADVANCED.ipynb (1.05 MB) - Econometric & ML AnalysisAdvanced methodological analyses:K-means clustering (k=4, silhouette validation)Machine Learning (Random Forest, Gradient Boosting)Unit root tests (ADF, KPSS)Synthetic control method (2011 treatment)Difference-in-differences (with limitations note)Component mechanism decomposition (LP/PPR/IPR)How to use in Colab:# Most comprehensive notebook - runs ALL analyses# Requires: IPRI xlsx file# Runtime: ~3-5 minutes# Generates: All PNG figures + haiti_dr_analysis_summary.csv📈 Generated FiguresPublication Figures (Manuscript):Figure1_IPRI_Divergence.png/.pdf - Main trajectory comparisonFigure2_PPR_Collapse.pdf/.png - Physical property rights component breakdownSupplementary Analysis Figures:haiti_dr_trajectories.png - Linear trends with R² valuesconvergence_tests.png - Beta/sigma/rank stability (3-panel)clustering_analysis.png - K-means results with elbow methodml_analysis.png - Random Forest/Gradient Boosting performancesynthetic_control.png - Counterfactual DR constructiondid_analysis.png - Difference-in-differences visualizationmechanism_decomposition.png - LP/PPR/IPR gap breakdownregional_comparison.png - Caribbean & Latin America contextdominican_haiti_comparison.png - Detailed side-by-side📋 Data Tables (CSV)summary_statistics.csv - Descriptive statistics by countrydr_haiti_comparison_data.csv - Year-by-year comparison datasethaiti_dr_analysis_summary.csv - Complete analysis results table📖 DocumentationREADME.md - Detailed methodology, data sources, variable definitions🚀 Quick Start in Google ColabOption 1: Run Complete Analysis (Recommended)# 1. Open ADVANCED.ipynb in Google Colab# 2. Upload IPRI- 2007 - 2025 data[25].xlsx when prompted# 3. Run all cells (Runtime > Run all)# 4. Download all generated figures from Files panelOption 2: Reproduce Manuscript Figures Only# 1. Open DIAGRAMS.ipynb in Google Colab# 2. Upload IPRI xlsx file# 3. Run all cells# 4. Download Figure1 and Figure2 (PNG/PDF)Option 3: Basic Descriptive Analysis# 1. Open HISPANIOLA.ipynb in Google Colab# 2. Upload IPRI xlsx file# 3. Run all cells# 4. Download CSV tables📦 Dependencies (Auto-Installed in Colab)All notebooks include automatic package installation:pandas, numpy - Data manipulationmatplotlib, seaborn - Visualizationscipy, statsmodels - Statistical testsscikit-learn - Machine learning & clusteringlinearmodels - Panel data econometricsarch - Unit root testsopenpyxl - Excel file readingNo manual installation required - all dependencies install automatically when you run the first cell.🔬 Methodological NotesData AvailabilityHaiti: 2013-2025 (11 years) - IPRI range: 2.13-3.40Dominican Republic: 2007-2025 (19 years) - IPRI range: 3.96-5.03Treatment year: 2011 (Ciudad Juan Bosch Law 189-11)Key LimitationsDID Constraint: Haiti data begins 2013, so no pre-2011 overlap for true difference-in-differences. We use synthetic control method as primary causal inference strategy.Sample Size: N=16 countries for clustering (14 comparators + 2 target countries).Unit Roots: Both Haiti & DR exhibit non-stationary time series (ADF p>0.05), consistent with systematic trends.ReproducibilityAll random processes use random_state=42 for exact replicationAll figures saved at 300 DPI for publication qualityComplete analysis runtime: ~3-5 minutes on Google Colab free tier📊 Key Findings (Replicated from Notebooks)Trajectory Analysis:Haiti: -0.0563 points/year (R²=0.541, p=0.0099) - 37% declineDominican Republic: +0.0318 points/year (R²=0.359, p=0.0067) - 17% improvementDivergence rate: 0.0881 points/year (~0.88 points per decade)Clustering:Haiti assigned to unique Cluster 3 (alone, worst trajectory)DR assigned to Cluster 2 (with Costa Rica, Panama, Jamaica)ANOVA F=18.01, p<0.001 (highly significant)Synthetic Control:Treatment effect: +0.050 IPRI points (post-2011)Optimal weights: Nicaragua (42%), El Salvador (29%), Mexico (20%), Chile (8%)Machine Learning:Test R² = 0.988 (Gradient Boosting)Feature importance: LP (47%) > IPR (38%) > PPR (14%)📧 Contact & CitationFor questions about replication or data:Scott Brown (Universidad de Puerto Rico): [email protected] Welker (Utah Valley University)Paul LaTortue (Université de Notre Dame d'Haiti)Theany Calderon-Abreu (Universidad de Puerto Rico)Suggested Citation:Welker, A., LaTortue, P., Calderon-Abreu, T., & Brown, S. (2025). Shared Island, Divergent Institutions: The Dominican Republic as Counterfactual Evidence for Legal Infrastructure Investment in Postcolonial Civil Law Systems [Data set]. Zenodo. https://doi.org/10.5281/zenodo.17695109📜 LicenseAll materials licensed under Creative Commons Attribution 4.0 International (CC BY 4.0).You are free to share and adapt with appropriate attribution.Copyright © 2025 The Authors.🔗 Related MaterialsPreprint: [Link when available]Journal submission: Constitutional Political Economy (under review)Companion paper: 17-country Spanish civil law panel analysisCode repository: All notebooks maintained on Zenodo with version controlThis repository provides complete transparency for peer review and enables exact replication of all analyses, figures, and tables in the manuscript.