Sure, but that's contingent on

1) the voters being well educated and not constantly brainwashed by various types of propaganda pushing them to vote against their own interests (see the Germans being anti-nuclear and pro-Russian gas since the 80s) and

2) the voters being trust and having an actual say in how their country is run, because if whoever gets voted into power just does the opposite of what the voters want "for their own good", then you're not a democracy anymore, you're just a well functioning state (if that).