{
 "reviews": [
  "PMC12659111.txt",
  "PMC10121417.txt",
  "PMC12874971.txt",
  "PMC7296440.txt",
  "campbell_2024.txt"
 ],
 "candidates": [
  {
   "review": "PMC12874971.txt",
   "study": "the Canadian MINCOME experiment (via McKay et al. 2023, ref 59)",
   "description": "Manitoba's 1970s basic income experiment, mentioned only through McKay et al.'s review; its guarantee was income-tested (reduced as other income rose), so not flat.",
   "matches": "T59"
  },
  {
   "review": "PMC12874971.txt",
   "study": "a Finnish trial (via McKay et al. 2023, ref 59)",
   "description": "Finland's basic income trial of unconditional transfers to low-income individuals, mentioned only through McKay et al.'s review.",
   "matches": "T52"
  },
  {
   "review": "PMC7296440.txt",
   "study": "Gary Experiment (Kehrer & Wolin 1979, ref 70)",
   "description": "Five-arm RCT of a negative income tax (four guarantee and tax-rate combinations vs control) among African American families in Gary, Indiana; income-tested, so not flat.",
   "matches": "T59"
  },
  {
   "review": "PMC7296440.txt",
   "study": "New Jersey and Pennsylvania Negative Income Experiment (Elesh & Lefcowitz 1977, ref 68)",
   "description": "Nine-arm RCT of negative income tax plans for low-income households in Trenton, Jersey City, Paterson and Scranton; income-tested, so not flat.",
   "matches": "T59"
  },
  {
   "review": "PMC7296440.txt",
   "study": "Rural Income Maintenance Experiment (Kerachsky 1976, ref 69)",
   "description": "Six-arm RCT of negative income tax plans for rural low-income households in Duplin (NC), Pocahontas (WV) and Calhoun (IA) counties; income-tested, so not flat.",
   "matches": "T59"
  },
  {
   "review": "PMC7296440.txt",
   "study": "Seattle-Denver Income Maintenance Experiment (Keeley 1980; Price & Song 2018; Thoits & Hannan 1979; refs 71-73)",
   "description": "Three-arm RCT in Seattle and Denver of negative income tax plans at several guarantees and tax rates, plus a counseling and training arm; income-tested, so not flat.",
   "matches": "T59"
  },
  {
   "review": "campbell_2024.txt",
   "study": "Barcelona B-MINCOME Pilot (Bonilla 2019; Todeschini 2019; Laín 2019; Laín & Julià 2022)",
   "description": "RCT in Barcelona's Besòs area, 2017-2019, of a guaranteed minimum income covering basic needs, withdrawn fully or partly as other income rose, with and without activation policies; not flat.",
   "matches": "T55"
  },
  {
   "review": "campbell_2024.txt",
   "study": "Dutch participation income experiments (Muffels 2021; Muffels & Gielens 2019)",
   "description": "RCTs in eight Dutch cities, 2017-2019, of social assistance at 70% of the minimum wage without conditions, withdrawn fully or by 50% as earnings rose; not flat.",
   "matches": "T56"
  },
  {
   "review": "campbell_2024.txt",
   "study": "Finnish basic income experiment (Lassander 2021; Simanainen 2021; Kangas 2021; Hämäläinen 2022, AEA RCT Registry trial 2095)",
   "description": "RCT paying €560 a month regardless of earnings to unemployment and social assistance recipients aged 25-58 in Finland, 2017-2018.",
   "matches": "T52"
  },
  {
   "review": "campbell_2024.txt",
   "study": "Gary Income Maintenance Experiment (Kaluzny 1979; Kehrer 1979; Maynard 1979; McDonald 1979; Kehrer 1979a)",
   "description": "RCT of a negative income tax (guarantee about 77% or 100% of the poverty line, withdrawal 40% or 60%) for Black families with children in Gary, Indiana, 1971-1974; not flat.",
   "matches": "T59"
  },
  {
   "review": "campbell_2024.txt",
   "study": "Manitoba Basic Annual Income Experiment, Mincome (Calnitsky 2019, 2021; Forget 2011/2013; Gonalons-Pons 2021; Hum 1979a, 1979b; Simpson 2017; Green 2022)",
   "description": "Negative income tax experiment in Manitoba, 1974-1978, randomized in Winnipeg with a saturation site in Dauphin, benefits withdrawn at 35-75% of other income; not flat.",
   "matches": "T59"
  },
  {
   "review": "campbell_2024.txt",
   "study": "New Jersey Income-Maintenance Experiment (Elesh 1977; Kerachsky 1977; Ladinsky 1977; Mallar 1977; Middleton 1977; Nicholson 1977; Kershaw & Fair 1976a, 1976b)",
   "description": "RCT of eight negative income tax plans (guarantee 50-125% of the poverty line, withdrawal 30-70%) in three New Jersey cities and Scranton, Pennsylvania, 1968-1972; not flat.",
   "matches": "T59"
  },
  {
   "review": "campbell_2024.txt",
   "study": "Rural Income Maintenance Experiment, RIME (Maynard 1977; O'Connor 1979; Bawden 1976)",
   "description": "RCT of five negative income tax plans for low-income rural families in Iowa and North Carolina, 1970-1973; not flat.",
   "matches": "T59"
  },
  {
   "review": "campbell_2024.txt",
   "study": "Seattle-Denver Income Maintenance Experiment, SIME/DIME (Groeneveld 1979; Manheim 1979; Thoits 1979; Venti 1984; Bell 1979; SRI 1983)",
   "description": "RCT of eleven negative income tax plans (guarantee 95-140% of the poverty line) in Seattle and Denver, 1971-1976; not flat.",
   "matches": "T59"
  },
  {
   "review": "campbell_2024.txt",
   "study": "Excluded studies of the income maintenance experiments (Calnitsky 2017; Choudhry 1995, 2001; Cogan 1983; Greenberg 1983; Groeneveld 1980; Hannan 1977; Heffernan 1977; Hum 1992; Keeley 1980a, 1980b, 1987; Pencavel 1982; Robins 1980; West 1980)",
   "description": "Papers on the Mincome, New Jersey and Seattle-Denver negative income tax experiments (work, marriage, fertility, migration, service awareness) that the review excluded; income-tested.",
   "matches": "T59"
  },
  {
   "review": "campbell_2024.txt",
   "study": "Stockton Economic Empowerment Demonstration, SEED (West 2021; West & Castro 2023; Martin-West 2019; SEED 2019)",
   "description": "RCT paying $500 a month regardless of other income to adults in low-income Stockton, California neighborhoods, 2019-2021.",
   "matches": "T03"
  },
  {
   "review": "campbell_2024.txt",
   "study": "Ontario Basic Income Pilot, OBIP (McDowell 2020, 2021; McDowell & Ferdosi 2021)",
   "description": "Ontario's 2018-2019 basic income pilot, cancelled early by a new government; the review excluded its two studies as cross-sectional.",
   "matches": "T58"
  },
  {
   "review": "campbell_2024.txt",
   "study": "Mein Grundeinkommen (My Basic Income), Germany (Mein Grundeinkommen 2023)",
   "description": "Privately funded German basic income project launched in 2020 to run 3 years (the review says €1,000 a month to 1,500 recipients), which is the Pilotprojekt Grundeinkommen that Mein Grundeinkommen runs with DIW Berlin.",
   "matches": "T53"
  },
  {
   "review": "campbell_2024.txt",
   "study": "Basic Income for the Arts pilot, Ireland (Government of Ireland 2022)",
   "description": "Three-year Irish government pilot paying €325 a week to 2,000 recipients in the arts.",
   "matches": "T54"
  },
  {
   "review": "campbell_2024.txt",
   "study": "Planned basic income pilot in England (Sheils McNamee 2023, BBC News: \"Plans drawn up for £1,600 a month trial in England\")",
   "description": "A proposed pilot paying each participant £1,600 a month unconditionally; the review says only that it is planned and gives no design, sample or control group.",
   "matches": null
  },
  {
   "review": "campbell_2024.txt",
   "study": "Basic income pilot in Wales (Sheils McNamee 2023)",
   "description": "A pilot under way in Wales paying each participant £1,600 a month unconditionally; the review gives no population, design or control group.",
   "matches": null
  }
 ]
}