Earlier quoted context omitted.
That would be direct democracy . No "democracy" on Earth is actually a direct democracy, but a representative democracy, which seems more in line to what this study proposes, no? A small group of elected officials to "debate" issues.
Switzerland is close to a direct democracy with a model based on: representative democracy by default but direct as soon and anytime the people feels the subject should be handled so. That system has proven very stable.
Caveat: with a small, well-educated population. Try and apply the same system elsewhere and your mileage may vary.