Are referenda a good way to make national decisions?

Robert Cooper is in no doubt about this.

This is easy to answer: no. It is shameful that few political leaders are ready to say so. Democracy is not just about voting. It is also about debate and about responsibility.

Debate is necessary to understand complex issues. We invented representative democracy because debate is time-consuming and it is not practical in a modern state to assemble the whole population in market squares to debate issues. (In Athens the people were able to do this because citizens were few and they had helots and women to do the work.) Under the system of government “by the people”, the people choose the government and then hold it accountable when they don’t like what it does. If referendums are “more democratic” than decisions by parliament, why not make decisions about taxation or electricity prices by referendum, as has been tried in California (and then the lights went out)? When bad decisions are made in this way, who takes responsibility?

For years, both parties resisted calls for  a referendum on capital punishment because they feared there would be a majority in favour of it. Over time and through long debates, parliament became convinced by the evidence that capital punishment had no deterrent value and that innocent people had been hanged. Yet they feared that, in a referendum, the debate would be shallow and voters would follow prejudice rather than the evidence.

The referendum on the Alternative Vote (AV) showed how difficult it can be to generate a serious debate on matters that are important but complicated where mastery of the detail demands time.

Yep.