Economic policy -- Econometric models 1 Government, Resistance to -- Mathematical models 1 Industrial productivity -- Government policy -- Econometric models 1 Movimientos de protesta -- Modelos matemáticos 1 Petroleum industry and trade -- Government policy -- Argentina 1 Petroleum industry and trade -- Government policy -- Brazil 1 Petróleo -- Industria y comercio -- Política gubernamental -- Argentina 1 Petróleo -- Industria y comercio -- Política gubernamental -- Brasil 1 Political violence -- Mathematical models 1 Protest movements -- Mathematical models 1 Resistencia civil -- Modelos matemáticos 1 Salarios -- Argentina -- Historia 1 Salarios -- Política gubernamental -- Argentina 1 Violencia política -- Modelos matemáticos 1 Wages -- Argentina -- History 1 Wages -- Government policy -- Argentina 1