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1{2 "record_id": "008c3229443d60b36b8e1525b5af0589f63eb75d",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6  "title": "Real Estate Prices in Beijing, 1644 to 1840",7  "year": 2012,8  "doi": "10.1016/j.eeh.2012.10.003",9  "country": "China",10  "region_city": "Beijing",11  "sample_start": 1644,12  "sample_end": 1840,13  "property_type": "mixed",14  "price_type": "transaction",15  "data_source": "498 surviving archival house sale contracts, Qing dynasty Beijing",16  "document_type": "working_paper",17  "estimators": [18   "OLS"19  ],20  "spatial_method": "none (location dummies)",21  "time_fe": true,22  "location_fe": false,23  "se_type": "unknown",24  "n_obs_total": 498,25  "ai_methods": [],26  "notes": "Historical hedonic study (pre-modern); PDF is the working-paper version (published in Explorations in Economic History 2013). Mostly residential estates with a dummy for commercial estates. Dependent variable is log transaction price (currency unit of Qing silver not stated in table). Period dummies (8 x 25 years) not extracted. Star legend *** p<0.01, ** p<0.05, * p<0.1."27 },28 "models": [29  {30   "model_id": "T7-c1",31   "table": "7",32   "column": "1",33   "page": 35,34   "dep_var": "log price of transacted estate",35   "dep_transform": "log",36   "estimator": "OLS",37   "n_obs": 498,38   "r2": 0.522,39   "se_or_t_in_parentheses": "se",40   "sample_subset": "All available contracts (Inner and Outer City); 8 period dummies (25-year periods) included, not reported"41  },42  {43   "model_id": "T7-c2",44   "table": "7",45   "column": "2",46   "page": 35,47   "dep_var": "log price of transacted estate",48   "dep_transform": "log",49   "estimator": "OLS",50   "n_obs": 331,51   "r2": 0.583,52   "se_or_t_in_parentheses": "se",53   "sample_subset": "Outer City contracts only; 8 period dummies (25-year periods) included, not reported"54  },55  {56   "model_id": "T7-c3",57   "table": "7",58   "column": "3",59   "page": 35,60   "dep_var": "log price of transacted estate",61   "dep_transform": "log",62   "estimator": "OLS",63   "n_obs": 488,64   "r2": 0.513,65   "se_or_t_in_parentheses": "se",66   "sample_subset": "All contracts, outliers (room number > 100 or = 1) dropped; 8 period dummies (25-year periods) included, not reported"67  },68  {69   "model_id": "T7-c4",70   "table": "7",71   "column": "4",72   "page": 35,73   "dep_var": "log price of transacted estate",74   "dep_transform": "log",75   "estimator": "OLS",76   "n_obs": 325,77   "r2": 0.583,78   "se_or_t_in_parentheses": "se",79   "sample_subset": "Outer City only, outliers dropped; 8 period dummies (25-year periods) included, not reported"80  }81 ],82 "coefficients": [83  {84   "model_id": "T7-c1",85   "var_name_printed": "No. of rooms",86   "taxonomy_id": "bedrooms",87   "x_transform": "level",88   "x_unit": "count",89   "beta": 0.0499,90   "se": 0.0029,91   "t": null,92   "p": null,93   "p_stars": "***",94   "ci_lo": null,95   "ci_hi": null,96   "page": 35,97   "confidence": "medium",98   "notes": "Total number of rooms (jian) of the estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"99  },100  {101   "model_id": "T7-c2",102   "var_name_printed": "No. of rooms",103   "taxonomy_id": "bedrooms",104   "x_transform": "level",105   "x_unit": "count",106   "beta": 0.0502,107   "se": 0.0035,108   "t": null,109   "p": null,110   "p_stars": "***",111   "ci_lo": null,112   "ci_hi": null,113   "page": 35,114   "confidence": "medium",115   "notes": "Total number of rooms (jian) of the estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"116  },117  {118   "model_id": "T7-c3",119   "var_name_printed": "No. of rooms",120   "taxonomy_id": "bedrooms",121   "x_transform": "level",122   "x_unit": "count",123   "beta": 0.0626,124   "se": 0.0039,125   "t": null,126   "p": null,127   "p_stars": "***",128   "ci_lo": null,129   "ci_hi": null,130   "page": 35,131   "confidence": "medium",132   "notes": "Total number of rooms (jian) of the estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"133  },134  {135   "model_id": "T7-c4",136   "var_name_printed": "No. of rooms",137   "taxonomy_id": "bedrooms",138   "x_transform": "level",139   "x_unit": "count",140   "beta": 0.0682,141   "se": 0.0052,142   "t": null,143   "p": null,144   "p_stars": "***",145   "ci_lo": null,146   "ci_hi": null,147   "page": 35,148   "confidence": "medium",149   "notes": "Total number of rooms (jian) of the estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"150  },151  {152   "model_id": "T7-c1",153   "var_name_printed": "No. of Courtyards",154   "taxonomy_id": "other",155   "x_transform": "level",156   "x_unit": "count",157   "beta": 0.32,158   "se": 0.0454,159   "t": null,160   "p": null,161   "p_stars": "***",162   "ci_lo": null,163   "ci_hi": null,164   "page": 35,165   "confidence": "medium",166   "notes": "Number of courtyards (size measure specific to Beijing courtyard houses); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"167  },168  {169   "model_id": "T7-c2",170   "var_name_printed": "No. of Courtyards",171   "taxonomy_id": "other",172   "x_transform": "level",173   "x_unit": "count",174   "beta": 0.33,175   "se": 0.0471,176   "t": null,177   "p": null,178   "p_stars": "***",179   "ci_lo": null,180   "ci_hi": null,181   "page": 35,182   "confidence": "medium",183   "notes": "Number of courtyards (size measure specific to Beijing courtyard houses); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"184  },185  {186   "model_id": "T7-c3",187   "var_name_printed": "No. of Courtyards",188   "taxonomy_id": "other",189   "x_transform": "level",190   "x_unit": "count",191   "beta": 0.269,192   "se": 0.0459,193   "t": null,194   "p": null,195   "p_stars": "***",196   "ci_lo": null,197   "ci_hi": null,198   "page": 35,199   "confidence": "medium",200   "notes": "Number of courtyards (size measure specific to Beijing courtyard houses); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"201  },202  {203   "model_id": "T7-c4",204   "var_name_printed": "No. of Courtyards",205   "taxonomy_id": "other",206   "x_transform": "level",207   "x_unit": "count",208   "beta": 0.254,209   "se": 0.0484,210   "t": null,211   "p": null,212   "p_stars": "***",213   "ci_lo": null,214   "ci_hi": null,215   "page": 35,216   "confidence": "medium",217   "notes": "Number of courtyards (size measure specific to Beijing courtyard houses); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"218  },219  {220   "model_id": "T7-c1",221   "var_name_printed": "Red contract",222   "taxonomy_id": "other",223   "x_transform": "binary",224   "x_unit": "binary",225   "beta": 0.079,226   "se": 0.0948,227   "t": null,228   "p": null,229   "p_stars": "",230   "ci_lo": null,231   "ci_hi": null,232   "page": 35,233   "confidence": "medium",234   "notes": "Officially registered (red) vs unregistered (white) contract; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"235  },236  {237   "model_id": "T7-c2",238   "var_name_printed": "Red contract",239   "taxonomy_id": "other",240   "x_transform": "binary",241   "x_unit": "binary",242   "beta": 0.0958,243   "se": 0.121,244   "t": null,245   "p": null,246   "p_stars": "",247   "ci_lo": null,248   "ci_hi": null,249   "page": 35,250   "confidence": "medium",251   "notes": "Officially registered (red) vs unregistered (white) contract; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"252  },253  {254   "model_id": "T7-c3",255   "var_name_printed": "Red contract",256   "taxonomy_id": "other",257   "x_transform": "binary",258   "x_unit": "binary",259   "beta": 0.0242,260   "se": 0.094,261   "t": null,262   "p": null,263   "p_stars": "",264   "ci_lo": null,265   "ci_hi": null,266   "page": 35,267   "confidence": "medium",268   "notes": "Officially registered (red) vs unregistered (white) contract; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"269  },270  {271   "model_id": "T7-c4",272   "var_name_printed": "Red contract",273   "taxonomy_id": "other",274   "x_transform": "binary",275   "x_unit": "binary",276   "beta": 0.105,277   "se": 0.117,278   "t": null,279   "p": null,280   "p_stars": "",281   "ci_lo": null,282   "ci_hi": null,283   "page": 35,284   "confidence": "medium",285   "notes": "Officially registered (red) vs unregistered (white) contract; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"286  },287  {288   "model_id": "T7-c1",289   "var_name_printed": "Close to commercial center",290   "taxonomy_id": "commercial_distance",291   "x_transform": "binary",292   "x_unit": "binary",293   "beta": -0.261,294   "se": 0.0851,295   "t": null,296   "p": null,297   "p_stars": "***",298   "ci_lo": null,299   "ci_hi": null,300   "page": 35,301   "confidence": "medium",302   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"303  },304  {305   "model_id": "T7-c2",306   "var_name_printed": "Close to commercial center",307   "taxonomy_id": "commercial_distance",308   "x_transform": "binary",309   "x_unit": "binary",310   "beta": -0.264,311   "se": 0.0944,312   "t": null,313   "p": null,314   "p_stars": "***",315   "ci_lo": null,316   "ci_hi": null,317   "page": 35,318   "confidence": "medium",319   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"320  },321  {322   "model_id": "T7-c3",323   "var_name_printed": "Close to commercial center",324   "taxonomy_id": "commercial_distance",325   "x_transform": "binary",326   "x_unit": "binary",327   "beta": -0.245,328   "se": 0.0842,329   "t": null,330   "p": null,331   "p_stars": "***",332   "ci_lo": null,333   "ci_hi": null,334   "page": 35,335   "confidence": "medium",336   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"337  },338  {339   "model_id": "T7-c4",340   "var_name_printed": "Close to commercial center",341   "taxonomy_id": "commercial_distance",342   "x_transform": "binary",343   "x_unit": "binary",344   "beta": -0.216,345   "se": 0.0917,346   "t": null,347   "p": null,348   "p_stars": "**",349   "ci_lo": null,350   "ci_hi": null,351   "page": 35,352   "confidence": "medium",353   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"354  },355  {356   "model_id": "T7-c1",357   "var_name_printed": "Far from commercial center",358   "taxonomy_id": "commercial_distance",359   "x_transform": "binary",360   "x_unit": "binary",361   "beta": -0.318,362   "se": 0.127,363   "t": null,364   "p": null,365   "p_stars": "**",366   "ci_lo": null,367   "ci_hi": null,368   "page": 35,369   "confidence": "medium",370   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"371  },372  {373   "model_id": "T7-c2",374   "var_name_printed": "Far from commercial center",375   "taxonomy_id": "commercial_distance",376   "x_transform": "binary",377   "x_unit": "binary",378   "beta": -0.853,379   "se": 0.215,380   "t": null,381   "p": null,382   "p_stars": "***",383   "ci_lo": null,384   "ci_hi": null,385   "page": 35,386   "confidence": "medium",387   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"388  },389  {390   "model_id": "T7-c3",391   "var_name_printed": "Far from commercial center",392   "taxonomy_id": "commercial_distance",393   "x_transform": "binary",394   "x_unit": "binary",395   "beta": -0.278,396   "se": 0.128,397   "t": null,398   "p": null,399   "p_stars": "**",400   "ci_lo": null,401   "ci_hi": null,402   "page": 35,403   "confidence": "medium",404   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"405  },406  {407   "model_id": "T7-c4",408   "var_name_printed": "Far from commercial center",409   "taxonomy_id": "commercial_distance",410   "x_transform": "binary",411   "x_unit": "binary",412   "beta": -0.817,413   "se": 0.216,414   "t": null,415   "p": null,416   "p_stars": "***",417   "ci_lo": null,418   "ci_hi": null,419   "page": 35,420   "confidence": "medium",421   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"422  },423  {424   "model_id": "T7-c1",425   "var_name_printed": "Forbidden city",426   "taxonomy_id": "cbd_distance",427   "x_transform": "binary",428   "x_unit": "binary",429   "beta": -0.0142,430   "se": 0.156,431   "t": null,432   "p": null,433   "p_stars": "",434   "ci_lo": null,435   "ci_hi": null,436   "page": 35,437   "confidence": "medium",438   "notes": "Adjacent to Forbidden City (political centre); reference: elsewhere in Inner City; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"439  },440  {441   "model_id": "T7-c3",442   "var_name_printed": "Forbidden city",443   "taxonomy_id": "cbd_distance",444   "x_transform": "binary",445   "x_unit": "binary",446   "beta": -0.0428,447   "se": 0.154,448   "t": null,449   "p": null,450   "p_stars": "",451   "ci_lo": null,452   "ci_hi": null,453   "page": 35,454   "confidence": "medium",455   "notes": "Adjacent to Forbidden City (political centre); reference: elsewhere in Inner City; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"456  },457  {458   "model_id": "T7-c1",459   "var_name_printed": "Outer city",460   "taxonomy_id": "cbd_distance",461   "x_transform": "binary",462   "x_unit": "binary",463   "beta": -0.302,464   "se": 0.107,465   "t": null,466   "p": null,467   "p_stars": "***",468   "ci_lo": null,469   "ci_hi": null,470   "page": 35,471   "confidence": "medium",472   "notes": "Located in Outer City (vs Inner City); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"473  },474  {475   "model_id": "T7-c3",476   "var_name_printed": "Outer city",477   "taxonomy_id": "cbd_distance",478   "x_transform": "binary",479   "x_unit": "binary",480   "beta": -0.22,481   "se": 0.108,482   "t": null,483   "p": null,484   "p_stars": "**",485   "ci_lo": null,486   "ci_hi": null,487   "page": 35,488   "confidence": "medium",489   "notes": "Located in Outer City (vs Inner City); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"490  },491  {492   "model_id": "T7-c1",493   "var_name_printed": "Clay material",494   "taxonomy_id": "roof_materials",495   "x_transform": "binary",496   "x_unit": "binary",497   "beta": -0.675,498   "se": 0.204,499   "t": null,500   "p": null,501   "p_stars": "***",502   "ci_lo": null,503   "ci_hi": null,504   "page": 35,505   "confidence": "medium",506   "notes": "Built with clay (vs brick and tile); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"507  },508  {509   "model_id": "T7-c2",510   "var_name_printed": "Clay material",511   "taxonomy_id": "roof_materials",512   "x_transform": "binary",513   "x_unit": "binary",514   "beta": -0.679,515   "se": 0.257,516   "t": null,517   "p": null,518   "p_stars": "***",519   "ci_lo": null,520   "ci_hi": null,521   "page": 35,522   "confidence": "medium",523   "notes": "Built with clay (vs brick and tile); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"524  },525  {526   "model_id": "T7-c3",527   "var_name_printed": "Clay material",528   "taxonomy_id": "roof_materials",529   "x_transform": "binary",530   "x_unit": "binary",531   "beta": -0.473,532   "se": 0.21,533   "t": null,534   "p": null,535   "p_stars": "**",536   "ci_lo": null,537   "ci_hi": null,538   "page": 35,539   "confidence": "medium",540   "notes": "Built with clay (vs brick and tile); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"541  },542  {543   "model_id": "T7-c4",544   "var_name_printed": "Clay material",545   "taxonomy_id": "roof_materials",546   "x_transform": "binary",547   "x_unit": "binary",548   "beta": -0.466,549   "se": 0.258,550   "t": null,551   "p": null,552   "p_stars": "*",553   "ci_lo": null,554   "ci_hi": null,555   "page": 35,556   "confidence": "medium",557   "notes": "Built with clay (vs brick and tile); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"558  },559  {560   "model_id": "T7-c1",561   "var_name_printed": "Commercial estate",562   "taxonomy_id": "other",563   "x_transform": "binary",564   "x_unit": "binary",565   "beta": 0.235,566   "se": 0.111,567   "t": null,568   "p": null,569   "p_stars": "**",570   "ci_lo": null,571   "ci_hi": null,572   "page": 35,573   "confidence": "medium",574   "notes": "Commercial vs residential estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"575  },576  {577   "model_id": "T7-c2",578   "var_name_printed": "Commercial estate",579   "taxonomy_id": "other",580   "x_transform": "binary",581   "x_unit": "binary",582   "beta": 0.151,583   "se": 0.15,584   "t": null,585   "p": null,586   "p_stars": "",587   "ci_lo": null,588   "ci_hi": null,589   "page": 35,590   "confidence": "medium",591   "notes": "Commercial vs residential estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"592  },593  {594   "model_id": "T7-c3",595   "var_name_printed": "Commercial estate",596   "taxonomy_id": "other",597   "x_transform": "binary",598   "x_unit": "binary",599   "beta": 0.276,600   "se": 0.11,601   "t": null,602   "p": null,603   "p_stars": "**",604   "ci_lo": null,605   "ci_hi": null,606   "page": 35,607   "confidence": "medium",608   "notes": "Commercial vs residential estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"609  },610  {611   "model_id": "T7-c4",612   "var_name_printed": "Commercial estate",613   "taxonomy_id": "other",614   "x_transform": "binary",615   "x_unit": "binary",616   "beta": 0.206,617   "se": 0.147,618   "t": null,619   "p": null,620   "p_stars": "",621   "ci_lo": null,622   "ci_hi": null,623   "page": 35,624   "confidence": "medium",625   "notes": "Commercial vs residential estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"626  },627  {628   "model_id": "T7-c1",629   "var_name_printed": "Broken",630   "taxonomy_id": "condition",631   "x_transform": "binary",632   "x_unit": "binary",633   "beta": -0.333,634   "se": 0.143,635   "t": null,636   "p": null,637   "p_stars": "**",638   "ci_lo": null,639   "ci_hi": null,640   "page": 35,641   "confidence": "medium",642   "notes": "Property in poor repair; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"643  },644  {645   "model_id": "T7-c2",646   "var_name_printed": "Broken",647   "taxonomy_id": "condition",648   "x_transform": "binary",649   "x_unit": "binary",650   "beta": -0.291,651   "se": 0.186,652   "t": null,653   "p": null,654   "p_stars": "",655   "ci_lo": null,656   "ci_hi": null,657   "page": 35,658   "confidence": "medium",659   "notes": "Property in poor repair; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"660  },661  {662   "model_id": "T7-c3",663   "var_name_printed": "Broken",664   "taxonomy_id": "condition",665   "x_transform": "binary",666   "x_unit": "binary",667   "beta": -0.391,668   "se": 0.14,669   "t": null,670   "p": null,671   "p_stars": "***",672   "ci_lo": null,673   "ci_hi": null,674   "page": 35,675   "confidence": "medium",676   "notes": "Property in poor repair; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"677  },678  {679   "model_id": "T7-c4",680   "var_name_printed": "Broken",681   "taxonomy_id": "condition",682   "x_transform": "binary",683   "x_unit": "binary",684   "beta": -0.325,685   "se": 0.18,686   "t": null,687   "p": null,688   "p_stars": "*",689   "ci_lo": null,690   "ci_hi": null,691   "page": 35,692   "confidence": "medium",693   "notes": "Property in poor repair; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"694  },695  {696   "model_id": "T7-c1",697   "var_name_printed": "Having a well",698   "taxonomy_id": "other",699   "x_transform": "binary",700   "x_unit": "binary",701   "beta": 0.756,702   "se": 0.271,703   "t": null,704   "p": null,705   "p_stars": "***",706   "ci_lo": null,707   "ci_hi": null,708   "page": 35,709   "confidence": "medium",710   "notes": "Presence of a water well; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"711  },712  {713   "model_id": "T7-c2",714   "var_name_printed": "Having a well",715   "taxonomy_id": "other",716   "x_transform": "binary",717   "x_unit": "binary",718   "beta": 0.64,719   "se": 0.335,720   "t": null,721   "p": null,722   "p_stars": "*",723   "ci_lo": null,724   "ci_hi": null,725   "page": 35,726   "confidence": "medium",727   "notes": "Presence of a water well; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"728  },729  {730   "model_id": "T7-c3",731   "var_name_printed": "Having a well",732   "taxonomy_id": "other",733   "x_transform": "binary",734   "x_unit": "binary",735   "beta": 0.507,736   "se": 0.269,737   "t": null,738   "p": null,739   "p_stars": "*",740   "ci_lo": null,741   "ci_hi": null,742   "page": 35,743   "confidence": "medium",744   "notes": "Presence of a water well; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"745  },746  {747   "model_id": "T7-c4",748   "var_name_printed": "Having a well",749   "taxonomy_id": "other",750   "x_transform": "binary",751   "x_unit": "binary",752   "beta": 0.354,753   "se": 0.328,754   "t": null,755   "p": null,756   "p_stars": "",757   "ci_lo": null,758   "ci_hi": null,759   "page": 35,760   "confidence": "medium",761   "notes": "Presence of a water well; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"762  }763 ]764}