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Calculated Shard: 185 (from laksa060)

2. Crawled Status Check

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curl -X POST \
  'http://laksa185.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.nber.org/papers/w31710\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.nber.org/papers/w31710\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.nber.org\/papers\/w31710","crawl_time":1775937284,"first_indexed_time":1695631301,"http_code":200,"src_unparsed":"org,nber!www,\/papers\/w31710 s443","src_root_hash":"16229434317321816585","history_drop_reason":null,"meta_title":"Minimum Lot Size Restrictions: Impacts on Urban Form and House Price at the Border | NBER","meta_descriptions":["Founded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, and business professionals."],"attrs_boilerpipe_text":"Working Paper\n31710\nDOI\n10.3386\/w31710\nIssue Date\nSeptember 2023\nWe estimate the impact of more stringent minimum lot size restrictions across small border areas of neighboring communities using data from the Wharton Residential Land Use Regulatory Index (WRLURI) surveys.  Economically meaningful effects are found on the built environment, not just house prices.  Within 100 meters of the borders, housing density as reflected in the number of single family homes per acre is about 11% lower on average in the most restricted communities compared to the least restricted communities in terms of minimum lot sizes.  Individual homes are bigger by about 80 square feet, an amount equal to about 4% of typical unit square footage.  Lots are over 3,000 square feet larger in the most restricted compared to the least restricted communities’ border areas, an increase equal to 28% of the sample mean lot size.  Hence, among the smaller number of homes that exist in the most regulated places, their physical structures are modestly bigger and they sit on appreciably larger lots. Finally, house prices are nearly $30,000 higher in the more regulated border areas compared to the least regulated border areas.   This price impact can be accounted for by differences in house quality, structure and lot size specifically, on the two sides of a border.","attrs_markdown":"[Skip to main content](https:\/\/www.nber.org\/papers\/w31710#main-content)\n\n- [Subscribe](https:\/\/www.nber.org\/subscribe)\n- [Media](https:\/\/www.nber.org\/media)\n- [Open Calls](https:\/\/www.nber.org\/calls-papers-and-proposals)\n\n[Login](https:\/\/my.nber.org\/)\n\n[Login](https:\/\/my.nber.org\/)\n\n- Research\n  [EXPLORE Research](https:\/\/www.nber.org\/research \"This is a link to the research page\")\n  \n  - Findings\n    - [Working Papers](https:\/\/www.nber.org\/papers)\n    - [Books & Chapters](https:\/\/www.nber.org\/books-and-chapters)\n    - [Videos](https:\/\/www.nber.org\/research\/videos)\n  - Periodicals\n    - [The Digest](https:\/\/www.nber.org\/digest)\n    - [The Reporter](https:\/\/www.nber.org\/reporter)\n    - [The Bulletin on the Economics of Alzheimer's Disease and Related Dementias](https:\/\/www.nber.org\/ba)\n    - 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Economically meaningful effects are found on the built environment, not just house prices. Within 100 meters of the borders, housing density as reflected in the number of single family homes per acre is about 11% lower on average in the most restricted communities compared to the least restricted communities in terms of minimum lot sizes. Individual homes are bigger by about 80 square feet, an amount equal to about 4% of typical unit square footage. Lots are over 3,000 square feet larger in the most restricted compared to the least restricted communities’ border areas, an increase equal to 28% of the sample mean lot size. Hence, among the smaller number of homes that exist in the most regulated places, their physical structures are modestly bigger and they sit on appreciably larger lots. Finally, house prices are nearly \\$30,000 higher in the more regulated border areas compared to the least regulated border areas. This price impact can be accounted for by differences in house quality, structure and lot size specifically, on the two sides of a border.\n\n[Download a PDF](https:\/\/www.nber.org\/system\/files\/working_papers\/w31710\/w31710.pdf)\n\n[Information on access](https:\/\/www.nber.org\/subscribe)\n\n- Acknowledgements and Disclosures\n  \n  We appreciate the comments of Tom Cui, Gilles Duranton, Ed Glaeser and Matthew Turner, as well as seminar participants at Singapore Management University and the ECHOPPE Conference at the Toulouse School of Economics. We also thank Matt Fagerstrom, Zhenyang Gong and Braydon Neiszner for helpful research assistance. Gyourko thanks the Research Sponsor Program of the Zell\/Lurie Real Estate Center for financial support. The usual caveat applies. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.\n- Citation and Citation Data\n  \n  Copy Citation\n  \n  Joseph Gyourko and Sean McCulloch, \"Minimum Lot Size Restrictions: Impacts on Urban Form and House Price at the Border,\" NBER Working Paper 31710 (2023), https:\/\/doi.org\/10.3386\/w31710.\n  \n  Copy to Clipboard\n  \n  Download Citation\n- Associated Links\n  \n  - [online appendix](http:\/\/www.nber.org\/data-appendix\/w31710)\n\n## Related\n### Topics\n[Subnational Fiscal Issues](https:\/\/www.nber.org\/taxonomy\/term\/546)\n\n[Other](https:\/\/www.nber.org\/topics\/other)\n\n[Law and Economics](https:\/\/www.nber.org\/taxonomy\/term\/711)\n\n[Regional and Urban Economics](https:\/\/www.nber.org\/topics\/regional-and-urban-economics)\n\n[Real Estate](https:\/\/www.nber.org\/taxonomy\/term\/696)\n\n### Programs\n[Public Economics](https:\/\/www.nber.org\/programs-projects\/programs-working-groups\/public-economics)\n\n### Working Groups\n[Urban Economics](https:\/\/www.nber.org\/programs-projects\/programs-working-groups%23Groups\/urban-economics)\n\n## More from the NBER\nIn addition to [working papers](https:\/\/www.nber.org\/papers \"Working Papers\"), the NBER disseminates affiliates’ latest findings through a range of free periodicals — the [NBER Reporter](https:\/\/www.nber.org\/reporter), the [NBER Digest](https:\/\/www.nber.org\/digest), the [Bulletin on Health](https:\/\/www.nber.org\/bulletin-health), and the [Bulletin on Entrepreneurship](https:\/\/www.nber.org\/bulletin-entrepreneurship%20) — as well as online [conference reports](https:\/\/www.nber.org\/conferences \"Conferences\"), [video lectures](https:\/\/www.nber.org\/research\/lectures \"Lectures\"), and [interviews](https:\/\/www.nber.org\/research-spotlights \"Research Spotlights\").\n\n![ 2025, 17th Annual Feldstein Lecture, N. 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(2013). “Experimental Designs...\n\n![2025 International Trade and Macroeconomics, \"Panel on The Future of the Global Economy\"](https:\/\/www.nber.org\/sites\/default\/files\/styles\/promo\/public\/2025-08\/SI%20International%20trade%20Panel%202025.png?itok=2DuJTJDm)\n\n[2025, International Trade and Macroeconomics, \"Panel on The Future of the Global Economy\"](https:\/\/www.nber.org\/research\/videos\/2025-international-trade-and-macroeconomics-panel-future-global-economy)\n\n- Panel Discussion\n\n- Presenters:  [Oleg Itskhoki](https:\/\/www.nber.org\/people\/oleg_itskhoki),   [Paul R. Krugman](https:\/\/www.nber.org\/people\/paul_krugman)   & [Linda Tesar](https:\/\/www.nber.org\/people\/linda_tesar)\n\nSupported by the Alfred P. 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All Rights Reserved.","attrs_readable_markdown":"Working Paper 31710\n\nDOI 10.3386\/w31710\n\nIssue Date September 2023\n\nWe estimate the impact of more stringent minimum lot size restrictions across small border areas of neighboring communities using data from the Wharton Residential Land Use Regulatory Index (WRLURI) surveys. Economically meaningful effects are found on the built environment, not just house prices. Within 100 meters of the borders, housing density as reflected in the number of single family homes per acre is about 11% lower on average in the most restricted communities compared to the least restricted communities in terms of minimum lot sizes. Individual homes are bigger by about 80 square feet, an amount equal to about 4% of typical unit square footage. Lots are over 3,000 square feet larger in the most restricted compared to the least restricted communities’ border areas, an increase equal to 28% of the sample mean lot size. Hence, among the smaller number of homes that exist in the most regulated places, their physical structures are modestly bigger and they sit on appreciably larger lots. Finally, house prices are nearly \\$30,000 higher in the more regulated border areas compared to the least regulated border areas. This price impact can be accounted for by differences in house quality, structure and lot size specifically, on the two sides of a border.","meta_canonical":null}

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URL	https://www.nber.org/papers/w31710
Last Crawled	2026-04-11 19:54:44 (21 hours ago)
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Meta Description	Founded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, and business professionals.
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Boilerpipe Text	Working Paper 31710 DOI 10.3386/w31710 Issue Date September 2023 We estimate the impact of more stringent minimum lot size restrictions across small border areas of neighboring communities using data from the Wharton Residential Land Use Regulatory Index (WRLURI) surveys. Economically meaningful effects are found on the built environment, not just house prices. Within 100 meters of the borders, housing density as reflected in the number of single family homes per acre is about 11% lower on average in the most restricted communities compared to the least restricted communities in terms of minimum lot sizes. Individual homes are bigger by about 80 square feet, an amount equal to about 4% of typical unit square footage. Lots are over 3,000 square feet larger in the most restricted compared to the least restricted communities’ border areas, an increase equal to 28% of the sample mean lot size. Hence, among the smaller number of homes that exist in the most regulated places, their physical structures are modestly bigger and they sit on appreciably larger lots. Finally, house prices are nearly $30,000 higher in the more regulated border areas compared to the least regulated border areas. This price impact can be accounted for by differences in house quality, structure and lot size specifically, on the two sides of a border.
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Economically meaningful effects are found on the built environment, not just house prices. Within 100 meters of the borders, housing density as reflected in the number of single family homes per acre is about 11% lower on average in the most restricted communities compared to the least restricted communities in terms of minimum lot sizes. Individual homes are bigger by about 80 square feet, an amount equal to about 4% of typical unit square footage. Lots are over 3,000 square feet larger in the most restricted compared to the least restricted communities’ border areas, an increase equal to 28% of the sample mean lot size. Hence, among the smaller number of homes that exist in the most regulated places, their physical structures are modestly bigger and they sit on appreciably larger lots. Finally, house prices are nearly \$30,000 higher in the more regulated border areas compared to the least regulated border areas. This price impact can be accounted for by differences in house quality, structure and lot size specifically, on the two sides of a border. [Download a PDF](https://www.nber.org/system/files/working_papers/w31710/w31710.pdf) [Information on access](https://www.nber.org/subscribe) - Acknowledgements and Disclosures We appreciate the comments of Tom Cui, Gilles Duranton, Ed Glaeser and Matthew Turner, as well as seminar participants at Singapore Management University and the ECHOPPE Conference at the Toulouse School of Economics. We also thank Matt Fagerstrom, Zhenyang Gong and Braydon Neiszner for helpful research assistance. Gyourko thanks the Research Sponsor Program of the Zell/Lurie Real Estate Center for financial support. The usual caveat applies. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research. - Citation and Citation Data Copy Citation Joseph Gyourko and Sean McCulloch, "Minimum Lot Size Restrictions: Impacts on Urban Form and House Price at the Border," NBER Working Paper 31710 (2023), https://doi.org/10.3386/w31710. 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Readable Markdown	Working Paper 31710 DOI 10.3386/w31710 Issue Date September 2023 We estimate the impact of more stringent minimum lot size restrictions across small border areas of neighboring communities using data from the Wharton Residential Land Use Regulatory Index (WRLURI) surveys. Economically meaningful effects are found on the built environment, not just house prices. Within 100 meters of the borders, housing density as reflected in the number of single family homes per acre is about 11% lower on average in the most restricted communities compared to the least restricted communities in terms of minimum lot sizes. Individual homes are bigger by about 80 square feet, an amount equal to about 4% of typical unit square footage. Lots are over 3,000 square feet larger in the most restricted compared to the least restricted communities’ border areas, an increase equal to 28% of the sample mean lot size. Hence, among the smaller number of homes that exist in the most regulated places, their physical structures are modestly bigger and they sit on appreciably larger lots. Finally, house prices are nearly \$30,000 higher in the more regulated border areas compared to the least regulated border areas. This price impact can be accounted for by differences in house quality, structure and lot size specifically, on the two sides of a border.
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