The purpose of this work is double. On one side, we wish to examine if subsidizing the cost of debt has some influence on the firm value (debt plus equity) or if it is just a transfer from debt holders to shareholders. On the other hand, we wish to show that research in Finance, as in many...

Business economics does not provide any methodology for appraising strategic investments, relying on informal approaches. Conversely, financial economics offers us plenty of sophisticated mathematical models unsuitable for applications and based on unrealistic assumptions. This paper presents an...

In investment appraisal, uncertainty can be managed through intervals or fuzzy numbers because the arithmetical properties and the extension principle are well established and can be successfully applied in a rigorous way. We apply interval and fuzzy numbers to the Average Internal Rate of...

Tax saving´s valuation is crucial for discounted cash flow valuation and WACC estimation. There is an ongoing debate about the appropriate discount rate for tax savings under CAPM approach. On this paper we evaluate tax savings from a contingent claim approach in order to establish a framework...

I present a set of conditions for defining risky debt associated to cash flow and not to accounting earnings. I explain why realization of tax shields for finite cash flows in any period of time t are correlated to Earnings before Interest and Taxes and are not correlated to interest expenses at...

This paper presents a new approach to real options. The current options-based models have provided new insights into capital-budgeting decisions. Unfortunately they are not widely used by corporate managers and practitioners as they are formally complex, rather difficult to understand and rest...

This paper makes use of a fuzzy expert system to evaluate a strategic investment. In particular, the model proposed aims at replicating the actual decision process accomplished by Florim S.p.a., an Italian ceramic tile firm which had the opportunity of buying a firm in the USA. The model is...

En la práctica financiera y la enseñanza de las finanzas el tratamiento que se le da a algunos de los conceptos más importantes en la evaluación de proyectos y la valoración de empresas en muchos casos es por decir lo menos, ligero. Por un lado está la determinación de los flujos de caja...

Este es material de curso del libro Decisiones Empresariales bajo Riesgo e Incertidumbre. El nivel del libro es basico. Se usan muy pocas matematicas y puede ser usado por gerentes. Este capitulo 12 estudia el problema de la toma de decisiones bajo riesgo e incertidumbre. Se presentan las ideas...

This is a case for teaching. This case shows through several examples that the Net Present Value for project evaluation should be calculated based on estimates at current prices. It has been a widespread practice to evaluate projects at constant prices with a great deal of -today- unnecessary...