Casares Polo, Miguel
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Casares Polo
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Miguel
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Economía
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INARBE. Institute for Advanced Research in Business and Economics
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- Publications
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Publication Open Access Loan production and monetary policy(Cambridge University Press, 2019) Casares Polo, Miguel; Deidda, Luca; Galdón Sánchez, José Enrique; Economía; EkonomiaThe 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.Publication Open Access On financial frictions and firm market power(Banco de España, 2019) Casares Polo, Miguel; Deidda, Luca; Galdón Sánchez, José Enrique; Economía; EkonomiaConstruimos un modelo de equilibrio general estático con empresas monopolísticamente competitivas que toman prestados fondos de bancos competitivos en una economía sujeta a restricciones financieras. Estas fricciones son debidas a la imposibilidad de verificar tanto los beneficios de las empresas como el esfuerzo de sus gestores. El poder de mercado tiene dos efectos contrapuestos. Por un lado, las empresas marcan sus precios por encima del coste marginal y la producción resultante es inferior a la que se obtendría en competencia perfecta. Por otro, debido al incremento en la rentabilidad de las empresas, el poder de mercado reduce el impacto de las fricciones financieras. El resultado de la interacción de estos dos efectos es ambiguo. Este trabajo muestra que, ceteris paribus, existe un nivel óptimo positivo de poder de mercado que maximiza el bienestar. Este nivel aumenta con el riesgo moral y disminuye con la eficiencia del proceso de liquidación de las empresas en caso de quiebra.Publication Open Access Business cycle and monetary policy analysis with market rigidities and financial frictions(2013) Casares Polo, Miguel; Deidda, Luca; Galdón Sánchez, José Enrique; Economía; EkonomiaWe describe a dynamic macroeconomic model that incorporates firm-level borrowing constraints, competitive CES loan production, and rigidities on both setting prices and wages. The external finance premium (interest-rate spread) is countercyclical with technology and financial shocks, and procyclical with consumption spending shocks. The real effects of financial shocks are significantly amplified when either considering greater rigidities for price/wage setting or a low elasticity of substitution in loan production (banking real rigidities). In the monetary policy analysis, a stabilizing Taylor (1983)-style rule performs slightly better when incorporating a positive and small response coefficient to the external finance premium.