The try starting from a simpler model where you have more of an idea how things are supposed to look like. What you describe can happen if there is not much endogenous persistence in the model so that most adjustment happens in the first period.
The try starting from a simpler model where you have more of an idea how things are supposed to look like. What you describe can happen if there is not much endogenous persistence in the model so that most adjustment happens in the first period.