He held liberal views, which were expressed in his contributions to the Nouveau dictionnaire d'économie politique published in 1890 under the direction of Léon Say and Joseph Chailley, works for the Liberal Association for the Defense of Labor and French trade, and articles in the Monde économique, Journal des économistes and Revue politique et parlementaire, among others.

[2] Louis Vigouroux undertook many study tours for the Musée social, including England, Greece, Algeria, United States, Canada (1896), South Africa (1897-1898), Australia and New Zealand.

This resulted in several articles and two books, La Concentration des forces ouvrières dans l'Amérique du Nord by Vigouroux and Les Industries monopolisées (trusts) aux Etats-Unis by de Rousiers.

[2] Louis Vigouroux ran for election as deputy for Haute-Loire on the Gauche démocratique platform on 16 September 1900.

[1] He ran for the first constituency of Le Puy in the by-election after the incumbent Charles Dupuy had been elected senator, and won in the first round.