The existence of companies that have voting and non-voting shares allows us to measure how much voting is worth. Google's non voting shares trade at basically t

The existence of companies that have voting and non-voting shares allows us to measure how much voting is worth. Google's non voting shares trade at basically the same value as their voting shares. Berkshire Hathaway's reduced voting right shares trade at basically the same value as their full voting right shares. Whatever drives the value of shares it's not voting rights.