ɡɹˈoʊs mˌɛtɹəpˈɑːlɪtən pɹˈɑːdʌkt dʒˌiːˌɛmpˈiː ɪz ɐ mˈɑːnɪtˌɛɹi mˈɛʒɚɹ ʌvðə vˈæljuː ʌv ˈɔːl fˈaɪnəl ɡˈʊdz ænd sˈɜːvɪsᵻz pɹədˈuːst wɪðˌɪn ɐ mˌɛtɹəpˈɑːlɪtən stɐtˈɪstɪkəl ˈɛɹiə dˈʊɹɹɪŋ ɐ spˈɛsᵻfˌaɪd pˈiəɹɪəd ˈiː.dʒˈiː., ɐ kwˈɔːɹɾɚ, ɐ jˈɪɹ.
Gross metropolitan product (GMP) is a monetary measure of the value of all final goods and services produced within a metropolitan statistical area during a specified period (e.g., a quarter, a year).