1{2 "record_id": "c5910ffe5f4e46ed4d95f8ada01d97feb8173ca6",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Research on the Influencing Factors of House Prices in Chicago",7 "year": 2024,8 "doi": "10.62051/1jq1vs36",9 "country": "United States",10 "region_city": "Chicago suburbs, Illinois",11 "sample_start": null,12 "sample_end": null,13 "property_type": "single_family",14 "price_type": "transaction",15 "data_source": "Publicly accessible dataset of suburban Chicago house prices (source and vintage not identified)",16 "document_type": "conference",17 "estimators": [18 "OLS"19 ],20 "spatial_method": "none",21 "time_fe": false,22 "location_fe": false,23 "se_type": "OLS",24 "n_obs_total": null,25 "ai_methods": [],26 "notes": "Transactions on Economics, Business and Management Research vol. 10 (MEEA 2024), student conference paper. Number of observations, sample period and data vintage are not printed (implied n of roughly 125 from F and adjusted R2 - not recorded). Dependent variable is price in thousands of USD (inferred). Polynomial/interaction model mentioned in introduction is not tabulated. Low study quality; recommend quality-tier flag."27 },28 "models": [29 {30 "model_id": "T2-c1",31 "table": "2",32 "column": "1",33 "page": 5,34 "dep_var": "House price (level; text/Figure 1 indicate thousands of USD)",35 "dep_transform": "level",36 "estimator": "OLS",37 "n_obs": null,38 "r2": 0.732,39 "se_or_t_in_parentheses": "none",40 "sample_subset": "Full sample, suburban Chicago public dataset; adjusted R2 0.714, F = 39.70; missing values imputed with medians; SE, t, p and 95% CI printed in columns"41 }42 ],43 "coefficients": [44 {45 "model_id": "T2-c1",46 "var_name_printed": "Bedroom",47 "taxonomy_id": "bedrooms",48 "x_transform": "level",49 "x_unit": "count",50 "beta": -3.358,51 "se": 0.868,52 "t": -3.869,53 "p": 0.0,54 "p_stars": "",55 "ci_lo": -5.077,56 "ci_hi": -1.639,57 "page": 5,58 "confidence": "medium",59 "notes": "Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"60 },61 {62 "model_id": "T2-c1",63 "var_name_printed": "Space",64 "taxonomy_id": "living_area",65 "x_transform": "level",66 "x_unit": "sqft",67 "beta": 0.0056,68 "se": 0.003,69 "t": 1.804,70 "p": 0.074,71 "p_stars": "",72 "ci_lo": -0.001,73 "ci_hi": 0.012,74 "page": 5,75 "confidence": "medium",76 "notes": "Total square footage of the house; Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"77 },78 {79 "model_id": "T2-c1",80 "var_name_printed": "Room",81 "taxonomy_id": "other",82 "x_transform": "level",83 "x_unit": "count",84 "beta": 3.0901,85 "se": 0.95,86 "t": 3.253,87 "p": 0.001,88 "p_stars": "",89 "ci_lo": 1.209,90 "ci_hi": 4.971,91 "page": 5,92 "confidence": "medium",93 "notes": "Total number of rooms (distinct from bedrooms); Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"94 },95 {96 "model_id": "T2-c1",97 "var_name_printed": "Lot",98 "taxonomy_id": "lot_size",99 "x_transform": "level",100 "x_unit": "sqft (as stated in Table 1; scale uncertain)",101 "beta": 0.2094,102 "se": 0.089,103 "t": 2.35,104 "p": 0.02,105 "p_stars": "",106 "ci_lo": 0.033,107 "ci_hi": 0.386,108 "page": 5,109 "confidence": "medium",110 "notes": "Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"111 },112 {113 "model_id": "T2-c1",114 "var_name_printed": "Tax",115 "taxonomy_id": "public_services",116 "x_transform": "level",117 "x_unit": "USD per year (annual property taxes)",118 "beta": 0.0062,119 "se": 0.002,120 "t": 2.636,121 "p": 0.01,122 "p_stars": "",123 "ci_lo": 0.002,124 "ci_hi": 0.011,125 "page": 5,126 "confidence": "medium",127 "notes": "Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"128 },129 {130 "model_id": "T2-c1",131 "var_name_printed": "Bathroom",132 "taxonomy_id": "bathrooms",133 "x_transform": "level",134 "x_unit": "count",135 "beta": 5.6524,136 "se": 1.76,137 "t": 3.212,138 "p": 0.002,139 "p_stars": "",140 "ci_lo": 2.167,141 "ci_hi": 9.138,142 "page": 5,143 "confidence": "medium",144 "notes": "Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"145 },146 {147 "model_id": "T2-c1",148 "var_name_printed": "Garage",149 "taxonomy_id": "garage",150 "x_transform": "level",151 "x_unit": "count",152 "beta": 4.5383,153 "se": 0.911,154 "t": 4.984,155 "p": 0.0,156 "p_stars": "",157 "ci_lo": 2.735,158 "ci_hi": 6.342,159 "page": 5,160 "confidence": "medium",161 "notes": "Number of garages; Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"162 },163 {164 "model_id": "T2-c1",165 "var_name_printed": "Condition",166 "taxonomy_id": "condition",167 "x_transform": "binary",168 "x_unit": "binary",169 "beta": 0.5562,170 "se": 1.677,171 "t": 0.332,172 "p": 0.741,173 "p_stars": "",174 "ci_lo": -2.766,175 "ci_hi": 3.878,176 "page": 5,177 "confidence": "medium",178 "notes": "1 if good condition, 0 otherwise; Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"179 }180 ]181}