{ "items" : [
    { "id" : "http://dbpedia.org/resource/Engel_curve"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "In microeconomics, an Engel curve describes how household expenditure on a particular good or service varies with household income. There are two varieties of Engel curves. Budget share Engel curves describe how the proportion of household income spent on a good varies with income. Alternatively, Engel curves can also describe how real expenditure varies with household income."] } } }
