Open Access
An estimated new-Keynesian model with unemployment as excess supply of labor
(2010) Casares Polo, Miguel; Moreno Pérez, Antonio; Vázquez, Jesús; Economía; Ekonomia
As one alternative to search frictions, wage stickiness is introduced in a New-Keynesian model to generate endogenous unemployment fluctuations due to mismatches between labor supply and labor demand. The effects on an estimated New-Keynesian model for the U.S. economy are: i) the Calvo-type probability on wage stickiness rises, ii) the labor supply elasticity falls, iii) the implied second-moment statistics of the unemployment rate provide a reasonable match with those observed in the data, and iv) wage-push shocks, demand shifts and monetary policy shocks are the three major determinants of unemployment fluctuations.
Open Access
Data revisions in the estimation of DSGE models
(2011) Casares Polo, Miguel; Vázquez, Jesús; Economía; Ekonomia
Revisions of US macroeconomic data are not white-noise. They are persistent, correlated with real-time data, and with high variability (around 80% of volatility observed in US real-time data). Their business cycle effects are examined in an estimated DSGE model that distinguishes real-time data from final data. Both the consumption habit formation and the price indexation to lagged inflation fall significantly in the estimation. The model also shows that revision shocks of both output and inflation are expansionary because they occur when real-time published data are too low and the Fed reacts by cutting interest rates. Consumption revisions, by contrast, are countercyclical as consumption habits mirror the observed reduction in real-time consumption. Finally, revisions of the three variables explain 9.3% of changes of output in its long-run variance decomposition.
Open Access
A portfolio-choice model to analyze the recent gross capital flows between Canada and the US
(2019) Casares Polo, Miguel; Villar Olano, Alba del; Economía; Ekonomia
We calibrate a two-country New Keynesian model with endogenous portfolio choice and valuation effects to discuss the determinants of the increase in Canadian Net Foreign Assets with the US observed after 2012. Furthermore, we discuss the shocks that may explain the “reversed two-way” capital flows pattern recently characterizing the Canada-US asset trading: Canada has a negative position on bond holdings owned by US investors while a positive balance emerges on its equity holdings from US firms. The combination of a global technology shock, the US fiscal contraction, an adverse wage-push shock in the US and the greater monetary stimulus in the US than in Canada (QE) provide insights to describe the recent capital flows between Canada and the US. Both the QE and the negative wage-push shock in the US play a crucial role as explanatory factors through substantial valuation effects.
Open Access
Loan production and monetary policy
(Cambridge University Press, 2019) Casares Polo, Miguel; Deidda, Luca; Galdón Sánchez, José Enrique; Economía; Ekonomia
The authors examine optimal monetary policy in a New Keynesian model with unemployment and financial frictions where banks produce loans using equity as collateral. Firms and households demand loans to finance externally a fraction of their flows of expenditures. Our findings show amplifying business-cycle effects of a more rigid loan production technology. In the monetary policy analysis, the optimal rule clearly outperforms a Taylor-type rule. The optimized interest-rate response to the external finance premium turns significantly negative when either banking rigidities are high or when financial shocks are the only source of business cycle fluctuations.

Casares Polo, Miguel

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