Before revision:  These restrictions generate moment inequalities and therefore set identification. Employing aggregated survey data that are informative about the extensive margin of adjustment i.e. the proportion of agents whose behavior is distorted over time due to financial frictions , can provide additional informationthat can tighten the corresponding bounds.
After revision:  Survey data that are informative about the extensive margin of adjustment i.e. the proportion of agents whose behavior is distorted over time due to financial frictions , can provide additional informationthat can tighten the corresponding bounds.