Econophysics of a religious cult: The Antoinists in Belgium [1920-2000]

► The finances of the Antoinist cult in Belgium between 1920 and 2000 are studied. ► Three similar wave asymmetric regimes are observed in specific time intervals. ► Socio-econo conditions for growth & decay features of the community are explained. ► A mathematical model is proposed taking into account ingredients. ► Country GDP growth, oscillatory monetary inflation, logistic population drift.