How to represent the variable Et-1 (Xt) in Dynare

Stochastic simulations
1

Hi,
How to represent the variable Et-1 (Xt) in Dynare? Can I just write it as Xt?
Thanks a lot！

2

Usually, in macroeconomics, expectation is for the future and not for the past. For example

\texttt{E_t X_t+1}

in Dynare \texttt{X(+1) }

3

Define:

y = x(+1)

Then refers to E_t-1 X-t as y(-1).

I think this should work.

4

In theory we have

\texttt {y = E_t X(t+1)}

In dynare \texttt {X(+1)}

5

@Gabrielr12’s answer is correct. If you want Dynare to do the work of introducing the auxiliary variable, you can use the EXPECTATION operator (see the manual):