Three essays on monetary policy.

Summary This research work is devoted to studying the stability of the long-run equilibrium associated with a liquidity trap, investigating the consequences of one of the unconventional monetary policies implemented since the Great Recession, and the possibility of using a feature of the monetary policy operating framework as an additional tool that would allow central banks to implement a policy that strengthens the real economy while simultaneously addressing any concerns about increased risk-taking in the economy due to low interest rates.