In fact, the provincial tax credit is a part of these reductive forms of assistance and it is indeed higher. However, there are also other forms of reductive assistance. At the federal level, all of the government assistance is reductive.
In fact, if we compare the situation of French-language films to what happens for English-language films, the difference comes from the fact that English-Canadian films can obtain foreign licences more easily, as well as funds advances for foreign distribution that complete their financial structure. This means that proportionally speaking they may receive less public assistance than Quebec films, because it is more difficult to export French-language films.