In this paper we introduce a discrete time pricing model for a European call option when the log-return of the underlying stock (asset) is subject to discontinuous market regime type of shifts in its mean or volatility whose risk can be priced in the market. The paper shows how to estimate this...

Severe economic downturns like the great depression of the 1930s take place over extended periods of time. I model an economy where rare economic disasters increase the likelihood of subsequent near term disasters. The mechanism generates more clustering of disasters than existing models. Serial...

This paper begins with a puzzle. Over the past three decades, trading in asset markets has become progressively more short-term oriented ("faster"), with traders attempting to exploit intraday price trends. Yet, over this time, asset prices have continued to move in a sequence of alternating...

We analyze the impact of high frequency (HF) trading in financial markets based on a model with three types of traders: liquidity traders (LTs), professional traders (PTs), and high frequency traders (HFTs). Our four main findings are: i) The price impact of liquidity trades is higher in the...

This paper develops and implements an equilibrium model of systemic risk. The model derives a systemic risk measure, loss beta, in characterizing all too-big-to-fail banks using a capital insurance equilibrium. By constructing each bank's loss portfolio with a recent accounting approach, we...

In this paper, the central question is which International CAPM is appropriate to price a firm's assets in an internationally integrated world.

Valuation signals have been among the most popular between equity portfolio managers. Given the large variation of techniques and theories with regard to how value is measured, this study investigates the efficacy of alternative value measures. We consider a cross section of simple and...

The student is the person who, through certain native or gained qualities, assimilates the information and knowledge provided by the Professor. He is the main beneficiary of the educational system, because the main educational effects are registered at his level: the social effects (the...