In their classic formulations, valid to this day, the issue of self-preservation is foundational for both political science and economics. In order to fixate this concept, the Modern theorists relied upon various assumptions about human nature. Due to the advances of biology and evolutionary...

Starting with the concept of “rational maximizing individual”, a meta-construct with foundational value in economics and, in general, in human sciences, the paper delineates the territory of an ethics of rationality. It does this by taking fulcrum in findings from evolutionary theory, in...

In this paper we present the repeat sales index methodology developed by Case and Shiller (1987) and its estimation problem. We particularly describe the problem arising from the time intervals construction for the estimation. We then apply this methodology to the Paris residential market. We...

This paper addresses whether credit rating downgrades feed back on the asset value of the downgraded companies, causing real losses. To investigate this issue we construct a structural credit risk model incorporating ratings and the feedback loss. To estimate the parameters of the model we...

In this paper we address the issue of measuring price performance for the Paris residential market. Our main focus is on choosing the appropiate index or indices capable of efficiently capturing capital growth, capital risk, and identifying the main risk factors inherent in this specific...

In this paper we investigate the driving factors associated with the Paris apartment market. We explore a database of nearly 230 000 transactions for residential properties in the Paris area over the 1973 – 2001 period. We develop a factorial model that may capture the systematic link between...

In this paper we address the issue of building a repeat sales index, based on factors. This is an extension of a companion paper, Baroni, Barthélémy and Mokrane (2001, BBM) in which we had built a factorial index as a selected linear function of existing economics and financial variables. Here...

As suggested by D. Geltner, commercial properties indices have to be built using repeat sales instead of hedonic indices. The repeat sales method is a means of constructing real estate price indices based on a repeated observation of property transactions. These indices may be used as benchmarks...

In this paper we show that if a very small, exogenously given probability of terminating the exchange is introduced in an elementary investment game, reciprocators play more often the defection strategy. Everything happens as if they "hide behind probabilities" in order to break the trust...