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Working Paper
Endogenous Labor Supply in an Estimated New-Keynesian Model: Nominal versus Real Rigidities
The deep deterioration in the labor market during the Great Recession, the subsequent slow recovery, and the missing disinflation are hard to reconcile for standard macroeconomic models. We develop and estimate a New-Keynesian model with financial frictions, search and matching frictions in the labor market, and endogenous intensive and extensive labor supply decisions. We conclude that the estimated combination of the low degree of nominal wage rigidities and high degree of real wage rigidities, together with the small role of pre-match costs relative to post-match costs, are key in ...
Working Paper
A Model of Endogenous Loan Quality and the Collapse of the Shadow Banking System
I develop a macroeconomic model with a financial sector, in which banks can finance risky projects (loans) and can affect their quality by exerting a costly screening effort. Informational frictions regarding the observability of loan characteristics limit the amount of external funds that banks can raise. In this framework I consider two possible types of financial intermediation, traditional banking (TB) and shadow banking (SB), differing in the level of diversification across projects. In particular, shadow banks, by pooling different loans, improve on the diversification of their ...
Working Paper
Risky Mortgages, Bank Leverage and Credit Policy
Two key channels that allowed the 2007-2009 mortgage crisis to severely impact the real economy were: a housing net worth channel, as defined by Mian and Sufi (2014), which affected the wealth of leveraged households; and a bank net worth channel, which reduced the ability of financial intermediaries to provide credit. To capture these features of the Great Recession, I develop a DSGE model with balance-sheet constrained banks financing both risky mortgages and productive capital. Mortgages are provided to agents facing idiosyncratic housing depreciation risk, implying an endogenous default ...
Working Paper
The International Spillovers of Synchronous Monetary Tightening
We use historical data and a calibrated model of the world economy to study how a synchronous monetary tightening can amplify cross-border transmission of monetary policy. The empirical analysis shows that historical episodes of synchronous tightening are associated with tighter financial conditions and larger effects on economic activity than asynchronous ones. In the model, a sufficiently large synchronous tightening can disrupt intermediation of credit by global financial intermediaries causing large output losses and an increase in sacrifice ratios, that is, output lost for a given ...
Working Paper
Endogenous Labor Supply in an Estimated New-Keynesian Model: Nominal versus Real Rigidities
Standard macroeconomic models find it difficult to reconcile slow recoveries and missing disinflations after deep deteriorations in the labor market. We develop and estimate a New-Keynesian model with search and matching frictions in the labor market, endogenous intensive and extensive labor supply decisions, and financial frictions. We conclude that the estimated combination of a low degree of nominal wage rigidities and a high degree of real wage rigidities, together with a small role for pre-match costs relative to post-match costs, is key in successfully forecasting slow recoveries in ...