Modeling portfolio credit risk involves the default dependencies between the individual securities in a portfolio. The copula is a common approach to construct it. It parameterizes the joint distribution of individual defaults independently of their marginal distributions. The current market...

The objective of this study is to evaluate and model the risks of corn and soybean production. This study focuses on the risk of revenue variability that arises from changes in prices, yields shortfalls or both. There are several models for price and yield risk factors for corn and soybeans. For...

This paper develops a flexible and computationally efficient model to estimate the credit loss distribution of the loans in a banking system. We consider a sectorial structure, where default frequencies and the total number of loans are allowed to depend on macroeconomic conditions as well as on...

This dissertation investigates the properties of macroeconomic fluctuations in a small open economy under the presence of sovereign default risk. International borrowing and lending arise from the interaction between a risk averse sovereign representative agent in a small open economy trying to...

The paper analyzes the consequences of joining markets of government discount bonds between identical economies when, in each country, there exists a positive probability of the government to default. In autarky such economies of overlapping generations of consumers with capital accumulation...

This dissertation focuses on issues related to economic globalization and its implications for the domestic economy. The first two chapters pertain to international financial integration, while the last chapter studies the impact of interprovincial migration in China as a result of...

Este documento investiga los efectos sobre el bienestar y las propiedades de estabilización económica de un esquema de transferencias fiscales entre miembros de una unión monetaria sujetos a choques de riesgo soberano. El esquema consiste en reglas de transferencia entre países que se...