The school of thought derived from Marx and known as Political Economy focuses on production, in contrast.
ðə skˈuːl ʌv θˈɔːt dᵻɹˈaɪvd fɹʌm mˈɑːɹks ænd nˈoʊn æz pəlˈɪɾɪkəl ɪkˈɑːnəmi fˈoʊkəsᵻz ˌɔn pɹədˈʌkʃən, ɪn kˈɑːntɹæst.