Government by referendum

Referendums are ubiquitous; from Brexit in the United Kingdom in 2016 to same-sex marriage in Australia in 2017 Why are referendums held at all? And when they are held, why are they won or lost? Moreover, what are the consequences of having referendums? Do they strengthen or weaken democracy? Are they mainly won or mainly lost or do they strengthen populist leaders? Or, are referendums a shield against demagogues and overeager politicians? Government by Referendum analyses why politicians s...