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Se presenta un modelo de dos factores para estimar el riesgo de crédito de un portafolio de acciones. La especificación de los rendimientos incluye un factor local (IPC) y un factor global (S&P500) cuya estructura de correlaciones sigue un proceso DCC (Dynamic Conditional Correlations). Las...
Persistent link: https://www.econbiz.de/10009650313
Spanish Abstract: Se plantea el coeficiente de dependencia asintótica, basado en cópulas, como una medida para la administración del riesgo en portafolios de acciones. Se describen algunos aspectos de las estructuras macro y microeconómicas del mercado en Colombia, motivando la introducción...
Persistent link: https://www.econbiz.de/10013023603
This essay discusses the status of Financial Economics as a discipline in the face of the current global crisis. Contrary to some criticisms that have been levied, it defends the thesis that the discipline has not irresponsibly abused the rational man-rat
Persistent link: https://www.econbiz.de/10008570645
Spanish Abstract: El presente documento evidencia la existencia de burbujas en el precio de la vivienda en Colombia (a nivel nacional y de ciudades) entre el periodo 1995-2019. Para comprobar su presencia se utiliza la prueba de detección de burbujas propuesta por Phillips et al. (2015) al...
Persistent link: https://www.econbiz.de/10013221996
This article analyzes the causes of U.S. mortgage backed securities crisis, a crucial market in the financial panic of 2008. It shows that irrational behavior of investors is not infrequent, as evidenced by Ponzi schemes and bubbles. A comparison is made between traditional and new models of...
Persistent link: https://www.econbiz.de/10005697770
This article examines the costs of banking pollution and the role of regulation and restrictions on the financial system in tackling it. It studies the benefits of such restrictions in terms of modularity, robustness and incentives, and the costs in terms of the economies of scale and the...
Persistent link: https://www.econbiz.de/10008539917
The current financial crisis, hitting the very nucleus of capitalist metropolis and placing its roots and causes at the spheres (financial and commercial ones) that have been privileged by neo-liberals, is another sample of the scarce or nonexistent viability of neo-liberal projects, having in...
Persistent link: https://www.econbiz.de/10008784319
En este trabajo se estudia el comportamiento de los retornos delos tres principales índices bursátiles de Colombia: el IBB de la Bolsa de Bogotá, el IBOMED de la Bolsa de Medellín, y el IGBC de Bolsa de Valores deColombia. A través de un modelo STAR GARCH se identifican dos estados...
Persistent link: https://www.econbiz.de/10008509411
Persistent link: https://www.econbiz.de/10012542564
Persistent link: https://www.econbiz.de/10012658937