. . . . . "4.48289E-1"^^ . "6.4E1"^^ . "8.5134E-2"^^ . "3.64722E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/mPCR" . "https://data.cooperationdatabank.org/vocab/prop/mPCRlevel" . "David Hummels" . "Jamie Brown-Kruse" . "1993-12-01:00"^^ . . . "5.0E-1"^^ . "64"^^ . "64"^^ . "6.2E-1"^^ . . . . . "4"^^ . "3.0E-1"^^ . "5.0E-1"^^ . . "2"^^ . . "1990"^^ . "Published Article" . "Public Goods Game" . "Lab" . "Monetary" . "Partner" . "Repeated" . . "2020-12-16T23:31:44.625Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .