Evans, George W.; Honkapohja, Seppo; Mitra, Kaushik - 2016
expectations. We impose inflation and consumption lower bounds, which can be relevant when agents are pessimistic. The inflation … target is locally stable under learning. Pessimistic initial expectations may sink the economy into steady-state stagnation …. Following a severe pessimistic expectations shock a large temporary fiscal stimulus is needed to avoid or emerge from stagnation …