Dalla teoria alla pratica nei modelli macroeconomici: l’eclettismo post-keynesiano (From theory to practice in macroeconomic models: the eclectic post-Keynesian)

Ignazio Visco

Abstract


Questo saggio riesamina e discute il contributo di Franco Modigliani alla costruzione di modelli macroeconomici utilizzati per la previsione e per l’elaborazione delle politiche economiche. Come ha osservato Paul Samuelson, il lavoro teorico svolto da Modigliani è stato fondamentale per lo sviluppo del quadro d’insieme entro il quale è maturato l’“eclettismo post-keynesiano” della seconda metà del ventesimo secolo. Nel passaggio dalla teoria alla pratica vengono considerati due aspetti del lavoro di Modigliani: 1) l’impostazione sistemica che si incentra sulla relazione tra il breve e il lungo periodo; 2) il particolare riferimento al meccanismo di trasmissione della politica monetaria nell’utilizzo del modello macroeconomico per le politiche di stabilizzazione economica. Si discute, infine, brevemente ciò che oggi resta di questo contributo, anche in relazione ad alcune recenti proposte sulla costruzione di modelli macroeconomici. 

 

This paper re-examines and discusses the contribution of Franco Modigliani in the construction of macroeconomic models used for prediction and for the development of economic policies. As noted by Paul Samuelson, the theoretical work done by Modigliani was instrumental in the development of the overall framework within which it is matured the " post-Keynesian eclecticism " in the second half of the twentieth century. In the transition from theory to practice are considered two aspects of the work of Modigliani: 1) the systemic approach that focuses on the relationship between the short and long term, and 2) the specific reference to the transmission mechanism of monetary policy in the use of macroeconomic model for policies of economic stabilization. Discuss, finally, briefly what remains today of this contribution, also in connection with some recent proposals on the construction of macroeconomic models.

 

 

JEL Codes: B22; C5; E12; E52

Keywords: Modigliani, stabilizzazione economica, eclettismo post-keynesiano


Keyword


Modigliani, stabilizzazione economica, eclettismo post-keynesiano

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Riferimenti bibliografici


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