<codeBook xmlns="ddi:codebook:2_5" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="ddi:codebook:2_5 https://ddialliance.org/Specification/DDI-Codebook/2.5/XMLSchema/codebook.xsd" version="2.5"><docDscr><citation><titlStmt><titl>Replication Data for: 'The Fractured-Land Hypothesis'</titl><IDNo agency="DOI">doi:10.7910/DVN/OSTVNR</IDNo></titlStmt><distStmt><distrbtr source="archive">Harvard Dataverse</distrbtr><distDate>2022-12-23</distDate></distStmt><verStmt source="archive"><version date="2023-04-07" type="RELEASED">1</version></verStmt><biblCit>Fernandez-Villaverde, Jesus; Koyama, Mark; Lin, Youhong; Sng, Tuan-Hwee, 2022, "Replication Data for: 'The Fractured-Land Hypothesis'", https://doi.org/10.7910/DVN/OSTVNR, Harvard Dataverse, V1</biblCit></citation></docDscr><stdyDscr><citation><titlStmt><titl>Replication Data for: 'The Fractured-Land Hypothesis'</titl><IDNo agency="DOI">doi:10.7910/DVN/OSTVNR</IDNo></titlStmt><rspStmt><AuthEnty affiliation="University of Pennsylvania">Fernandez-Villaverde, Jesus</AuthEnty><AuthEnty affiliation="George Mason University">Koyama, Mark</AuthEnty><AuthEnty affiliation="Xiamen University">Lin, Youhong</AuthEnty><AuthEnty affiliation="National University of Singapore">Sng, Tuan-Hwee</AuthEnty></rspStmt><prodStmt/><distStmt><distrbtr source="archive">Harvard Dataverse</distrbtr><contact affiliation="National University of Singapore" email="tsng@nus.edu.sg">Sng, Tuan-Hwee</contact><depositr>Baranga, Thomas</depositr><depDate>2022-12-23</depDate></distStmt><holdings URI="https://doi.org/10.7910/DVN/OSTVNR"/></citation><stdyInfo><subject><keyword xml:lang="en">Social Sciences</keyword><keyword vocab="H56" vocabURI="https://www.aeaweb.org/jel/guide/jel.php">National Security and War</keyword><keyword vocab="N40" vocabURI="https://www.aeaweb.org/jel/guide/jel.php">Government, War, Law, International Relations, and Regulation: General, International, or Comparative</keyword><keyword vocab="P48" vocabURI="https://www.aeaweb.org/jel/guide/jel.php">Other Economic Systems: Legal Institutions; Property Rights; Natural Resources; Energy; Environment; Regional Studies</keyword></subject><abstract date="2022-12-23">The data and programs replicate figures from "The Fractured-Land Hypothesis", by Fernandez-Villaverde, Koyama, Lin, and Sng. 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