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Probabilidad de incumplimiento e indicadores de riesgo en la banca europea: un enfoque regulatorio
Este proyecto de investigación propone la estimación de una nueva medida de riesgo bancario que considera el actual marco regulatorio de Basilea, la Probabilidad de Incumplimiento (Probability of Default- PD) estimada a partir del modelo SYMBOL (SYstemic Model of Bank Originated Losses). Tomando como referencia bancos cotizados europeos, analizamos las relaciones existentes entre los indicadores de riesgo bancario establecidos por la Autoridad Bancaria Europea (EBA), y la nueva medida de probabilidad de incumplimiento. Los análisis apoyan el uso conjunto de la PD basada en el modelo SYMBOL con los indicadores de riesgo propuestos por la EBA, para un análisis más completo de las pérdidas bancarias inesperadas. Además, nuestros resultados pueden ser útiles para diseñar nuevas regulaciones centradas en los factores claves del negocio bancario que afectan a la probabilidad de impago, como adecuación de capital, calidad de los activos y rentabilidad.
Sample Size, Skewness and Leverage Effects in Value at Risk and Expected Shortfall Estimation
The thesis analyzes the effect that the sample size, the asymmetry in the distribution of returns and the leverage in their volatility have on the estimation and forecasting of market risk in financial assets. The goal is to compare the performance of a variety of models for the estimation and forecasting of Value at Risk (VaR) and Expected Shortfall (ES) for a set of assets of different nature: market indexes, individual stocks, bonds, exchange rates, and commodities. The three chapters of the thesis address issues of greatest interest for the measurement of risk in financial institutions and, therefore, for the supervision of risks in the financial system. They deal with technical issues r...
Risk Measures with Applications in Finance and Economics
Risk measures play a vital role in many subfields of economics and finance. It has been proposed that risk measures could be analysed in relation to the performance of variables extracted from empirical real-world data. For example, risk measures may help inform effective monetary and fiscal policies and, therefore, the further development of pricing models for financial assets such as equities, bonds, currencies, and derivative securities.
Three Essays in Financial Markets. The Bright Side of Financial Derivatives: Options Trading and Firm Innovation
Do financial derivatives enhance or impede innovation? We aim to answer this question by examining the relationship between equity options markets and standard measures of firm innovation. Our baseline results show that firms with more options trading activity generate more patents and patent citations per dollar of R&D invested. We then investigate how more active options markets affect firms' innovation strategy. Our results suggest that firms with greater trading activity pursue a more creative, diverse and risky innovation strategy. We discuss potential underlying mechanisms and show that options appear to mitigate managerial career concerns that would induce managers to take actions that boost short-term performance measures. Finally, using several econometric specifications that try to account for the potential endogeneity of options trading, we argue that the positive effect of options trading on firm innovation is causal.
Essays on Risk and Uncertainty in Economics and Finance
This book adds to the resolution of two problems in finance and economics: i) what is macro-financial uncertainty? : How to measure it? How is it different from risk? How important is it for the financial markets? And ii) what sort of asymmetries underlie financial risk and uncertainty propagation across the global financial markets? That is, how risk and uncertainty change according to factors such as market states or market participants. In Chapter 2, which is entitled “Momentum Uncertainties”, the relationship between macroeconomic uncertainty and the abnormal returns of a momentum trading strategy in the stock market is studies. We show that high levels of uncertainty in the economy ...
La financiación de las pyme europeas: su relación con el entorno bancario e institucional
Las pequeñas y medianas empresas (pyme) suelen encontrar grandes dificultades en el acceso a la financiación que necesitan para el desarrollo de su actividad empresarial. Estas empresas, en comparación con aquellas de mayor tamaño, son percibidas como empresas de alto riesgo debido a que sus estados financieros no suelen estar auditados, a la falta de un amplio historial crediticio o a la ausencia de activos que ofrecer como garantías. Estas características agravan las asimetrías informativas y los problemas de agencia y, como consecuencia, las pyme acaban experimentando graves restricciones financieras. Sin embargo, las decisiones de financiación de las pyme no sólo dependen de sus...
Generation to Generation
Generation to Generation presents one of the first comprehensive overviews of family business as a specific organizational form. Focusing on the inevitable maturing of families and their firms over time, the authors reveal the dynamics and challenges family businesses face as they move through their life cycles. The book asks questions, such as: what is the difference between an entrepreneurial start-up and a family business, and how does one become the other? How does the meaning of the business to the family change as adults and children age? How do families move through generational changes in leadership, from anticipation to transfer, and then separation and retirement? This book is divided into three sections that present a multidimensional model of a family business. The authors use the model to explore the various stages in the family business life span and extract generalizable lessons about how family businesses should be organized.
The Economics of Open Access
Addressing the recent debate on how the future of academic publishing might look in a purely digital environment, this book analyzes the experiences of researchers with, as well as attitudes towards, ‘Open Access’ (OA) publishing. Drawing on a unique, in-depth survey with more than 10,000 respondents from 25 countries, Thomas Eger and Marc Scheufen discuss their findings in the light of recent policy attempts which have been trying to foster OA, revealing considerable shortcomings and lack of knowledge on fundamental features of the academic publishing market.
