In this paper, we analyse the effects of transitory fiscal expansions when public debt is used as liquidity by the private sector. Aggregate shocks are introduced into a tractable flexible-price, incomplete-market economy where heterogenous, infinitely-lived agents face occasionally binding...

The interest rate at which US firms borrow funds has two features: (i) it moves in a countercyclical fashion and (ii) it is an inverted leading indicator of real economic activity: low interest rates today forecast future booms in GDP, consumption, investment, and employment. We show that a...

Our survey covers the recent developments of the microeconometric literature on evaluation methods. In this field, the canonical model is Rubin's causal model, which is close to Roy's selectivity model. This model is the relevant framework for defining and for examining the identifiability...