The liquidity of an asset in modern financial markets is a key and, yet, elusive concept. A market is often said to be liquid when the prevailing structure of transactions provides a prompt and secure link between the demand and supply of assets, thus delivering low costs of transaction....

This paper examines both the linear and nonlinear causal relationships between crude oil price changes and stock market returns for the United States. In particular, the study applied a battery of unit root tests to ascertain the time series properties of crude oil price changes and stock market...

The rapid growth in demand and supply of sophisticated data mining and analytical decision tools calls for research to understand the value of learning, as well as how learning interacts with firms’ day-to-day marketing strategies.In this paper, we consider a market in which the firm can...

We develop a dynamic capital valuation model in which each farm can take an action with farm-varying cost to increase the probability of not contracting a disease. In the presence of infection externalities, circumstances are identified under which multiple equilibria exist and where the one...

This dissertation consists of three chapters relating to identification and inference in dynamic microeconometric models including dynamic discrete games with many players, dynamic games with discrete and continuous choices, and semiparametric binary choice and duration panel data...

We develop a theory of optimal stopping problems under ambiguity in continuous time. Using results from (backward) stochastic calculus, we characterize the value function as the smallest (nonlinear) supermartingale dominating the payoff process. For Markovian models, we derive an adjusted...

En la cub: "Revised version: September 2015" ; En este trabajo investigamos la interacción entre estabilidad de precios y sostenibilidad de la deuda soberana en el marco de un modelo de pequeña economía abierta, en la cual el gobierno emite deuda nominal y elige la política fi scal y...

Incluye un apéndice en línea ; Los modelos de mercados incompletos con agentes heterogéneos están cobrando especial relevancia en los análisis de políticas económicas. En este documento proponemos una nueva metodología para resolver problemas de políticas dinámicas óptimas, tanto...

Common stock valuation presents one of the most complex tasks in financial analysis. When it attempts to answer on question: „what causes stock price movements? “Then the answer would not relate only on economic factors. There are numerous factors that affect the stock price and they are...

The recent financial crisis renewed concerns about a possible destabilizing impact of derivatives trading. Despite a very active research, the question whether or not derivatives tend to destabilize financial markets has not yet been answered to satisfaction. This contribution aims to revise the...