ɐsˈuːmɪŋ ðɪ ˈeɪdʒənt kænˈɑːt hæv ɐ nˈɛɡətˌɪv kwˈɔntᵻɾi ʌv ˌɛni ɡˈʊd, ðə dᵻmˈænd sˈɛt kæn biː kˈæɹɪktɚɹˌaɪzd ðɪs wˈeɪ:
Assuming the agent cannot have a negative quantity of any good, the demand set can be characterized this way: