Pour information en français, voir la page 5: La Commission du droit du Canada recommande un système mixte.
How will regional MPs work for constituents? Here's how they do it in Scotland.
Proportional representation means fair and unrestricted competition among political parties presenting democratically-nominated candidates. Democracy is at its core, not more power to party elites.
Parties can nominate several candidates at once democratically, in the same way they nominate single candidates: by vote of the membership in the district or region. Depending on local geography, it might be entirely an in-person meeting, or might include online voting.