One apparent reason for deferring a decision – abstaining from choosing, leaving the decision open to be taken by someone else, one’s later self, or nature – is for lack of sufficient confidence in the relevant beliefs. This paper develops an axiomatic theory of decision in situations...

We consider the problem of testing whether the observations X1, · · ·, Xn of a time series are independent with unspecified (possibly nonidentical) distributions symmetric about a common known median. Various bounds on the distributions of serial correlation coefficients are proposed:...

In this paper, we introduce a new approach for volatility modeling in discrete and continuous time. We follow the stochastic volatility literature by assuming that the variance is a function of a state variable. However, instead of assuming that the loading function is ad hoc (e.g., exponential...

Political activism positively affects firm innovation. Firms that support more politicians, politicians on Congressional committees with jurisdictional authority over the firms' industries and politicians who join those committees innovate more. We employ instrumental variables estimation and a...

What can studying the creation of knowledge tell us about how new technical fields emerge and develop? This paper shows how a knowledge community may be necessary to support the legitimacy of new products that undergo performance evaluation before purchase. Using historical and ethnographic data...

English Abstract: Latin notaries are more and more frequently defined as gatekeepers, due to their role in providing preventive legal control (in addition to certifying documents), a role that becomes increasingly important in modern legal systems.However, applying this american term loosely to...

Notre société fait face à de nombreux risques qui affectent des vies humaines. Les autorités publiques doivent donc déterminer le budget optimal à consacrer à chaque projet visant à diminuer ces risques sociaux. L’analyse avantages-coûts est un outil très utilisé pour...

This communication is in concern with knowledge-management as a theorico-practical field. It focuses on both epistemological and ethical implications of knowledge conceptions on people engaged in such knowledge-management projects and on society.

The explanation of social inequalities in education is still a debated issue in economics. Recent empirical studies tend to downplay the potential role of credit constraint. This article tests a different potential explanation of social inequalities in education, specifically that social...