These are some of the seminal works on populism that we have found useful.
The Pushback Against Populism Running on Radical Love in Turkey
Moisés Naím on dealing with the populist challenge
The cost of populism: Evidence from history
This studies all the populists governments there have ever been since 1900 and concludes that, compared to equivalent countries, populist governments decrease GDP growth by 1% for every year they are in power.
The Populist Zeitgeist
Populism is difficult to define. In this paper Cas Mudde provides the most widely accepted definition.
Populists in Power Around the World
The article informs you that populism is a “thin ideology” defined by two core claims: the “true people” are in conflict with “outsiders” (including establishment elites, immigrants, etc.), and nothing should constrain the will of the true people. It identifies three types—cultural, socio-economic, and anti-establishment—and notes its dramatic, fivefold global increase since 1990, especially the rise of cultural populism.