We investigate identifiability issues in DSGE models and their consequences for parameter estimation and model evaluation when the objective function measures the distance between estimated and model impulse responses. Observational equivalence, partial and weak identification problems are...

We use vector autoregressive models to estimate the effect of monetary policy on investors’ risk aversion. The latter is proxied by a variety of option based implied volatility indices for Germany and the UK. There is clear evidence of a procyclical response between monetary policy and risk...