This thesis examines non-verbal communication of central banks as an autonomous monetary policy tool. Building on the theoretical foundations of expectations formation, it shows how the management of economic agents' expectations has become the core of modern institutional action, transforming communication from a mere transparency obligation into an active instrument of monetary policy. The review of empirical literature documents that the voice tone and facial expressions of Federal Reserve chairs produce measurable and systematic effects on financial markets, while highlighting the methodological limits of automated emotion detection tools. The thesis then focuses on the interpretive problem raised by this evidence, distinguishing between the information effect and forward guidance as possible transmission channels and discussing the institutional credibility conditions that determine their effectiveness.
La tesi esamina la comunicazione non verbale delle banche centrali come strumento autonomo di politica monetaria. A partire dai fondamenti teorici sulla formazione delle aspettative, si mostra come la gestione delle aspettative degli agenti economici sia diventata il fulcro dell'azione istituzionale moderna, trasformando la comunicazione da semplice obbligo di trasparenza a strumento attivo di politica monetaria. L'analisi della letteratura empirica documenta che il tono della voce e le espressioni facciali dei presidenti della Federal Reserve producono effetti misurabili e sistematici sui mercati finanziari, pur evidenziando i limiti metodologici degli strumenti di misurazione automatica delle emozioni. Il lavoro si concentra infine sul problema interpretativo che questa evidenza solleva, distinguendo tra effetto informazione e forward guidance come possibili canali trasmissivi e discutendo le condizioni di credibilità istituzionale che ne determinano l'efficacia.
La comunicazione non verbale delle banche centrali tra Effetto Informazione e Forward Guidance
MARTIGNON, GIOIA
2025/2026
Abstract
This thesis examines non-verbal communication of central banks as an autonomous monetary policy tool. Building on the theoretical foundations of expectations formation, it shows how the management of economic agents' expectations has become the core of modern institutional action, transforming communication from a mere transparency obligation into an active instrument of monetary policy. The review of empirical literature documents that the voice tone and facial expressions of Federal Reserve chairs produce measurable and systematic effects on financial markets, while highlighting the methodological limits of automated emotion detection tools. The thesis then focuses on the interpretive problem raised by this evidence, distinguishing between the information effect and forward guidance as possible transmission channels and discussing the institutional credibility conditions that determine their effectiveness.| File | Dimensione | Formato | |
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https://hdl.handle.net/20.500.12608/112623