[
  {
    "key": "upgrade-thesissupervision",
    "name": "Thesis supervision",
    "description": "Somebody takes care of your PhD Students.",
    "effect": "PhD Students produce twice as much data per second.",
    "icon": "fa-group",
    "cost": 100,
    "targets": [{"key": "PhD Students", "property": "rate"}],
    "requirements": [{"key": "PhD Students", "property": "hired", "threshold": 1}],
    "factor": 2,
    "constant": 0
  },
  {
    "key": "upgrade-owndesk",
    "name": "Own desk",
    "description": "Not having to share one is a blessing.",
    "effect": "PhD Students produce twice as much data per second.",
    "icon": "fa-group",
    "cost": 10000,
    "targets": [{"key": "PhD Students", "property": "rate"}],
    "requirements": [{"key": "Thesis supervision", "property": "_used", "threshold": 1}],
    "factor": 2
  },
  {
    "key": "upgrade-coffee",
    "name": "Free coffee",
    "description": "Addictively delicious. Also free.",
    "effect": "All workers produce twice as much data per second.",
    "icon": "fa-group",
    "cost": 1e6,
    "targets": [
      {"key": "PhD Students", "property": "rate"},
      {"key": "Postdocs", "property": "rate"},
      {"key": "Research Fellows", "property": "rate"},
      {"key": "Tenured Professors", "property": "rate"},
      {"key": "Nobel Prize Winners", "property": "rate"},
      {"key": "Summer Students", "property": "rate"}
    ],
    "requirements": [],
    "factor": 2
  }
]