I am working on my thesis, doing a model with energy price. I am following this paper "Energy Price Shocks and Financial Market Integration: Evidence from New Keynesian Model", Tarek Ghazouani, 2020.
I have been having troubles in log-linearizing with this equation, which is given by
è stata ottenuta massimizzando il vincolo di bilancio rispetto Ft
These two equations are also introduced but I can't understand how they are used
I would appreciate very much any help.
Alessia