1. Wagner's laws: A pooled time-series, cross-section comparison;Abizadeh;National Tax Journal,1985
2. Public sector growth: A real perspective;Beck;Public Finance,1979
3. Wagner's ‘law’ of expanding state activity;Bird;Public Finance,1971
4. Wagner's law of public expenditures: Do recent cross-section studies confirm it?;Gandhi;Public Finance,1971
5. On the empirical testing of ‘Wagner's law’: A technical note;Goffman;Public Finance,1968