It has to be acknowledged that the economy was then subject to very severe shocks (and if there is one thing that I have learned during my long experience in central banking, it is that we may only dream of steady states and the like!).
Following the conflicts of the "hot autumn" of the late 1960s, a weak Italian economy, and society, had to face the collapse of the Bretton Woods fixed exchange rates system and the two major oil shocks that followed the Yom Kippur war and the Iran revolution.