Peut-on reconstruire sans la trahir pensée économique de Marx à partir théorie néoclassique ? C’est question laquelle a tenté répondre John Roemer. Il fut l’un des principaux contributeurs du marxisme analytique – plus précisément choix rationnel –, principalement au cours années 1980. L’objectif fondateur ce courant été parvenir conclusions proches celles en utilisant outils méthodologiques di...

The paper considers the conjecture that forecasts from preferred economic models or theories d-separate forecasts from less preferred models or theories from the actual realization of the variable for which a scientific explanation is sought. Dseparation provides a succinct notion to represent forecast dominance of one set of forecasts over another; it provides, as well, a criterion for model p...

In order to address the question whether Hayek might have been an Agent-based Computational Economist (ACE) avant-la-lettre, we consider an ACE model concerning the phenomenon of information contagion. Alongside increasing returns, network externalities, and information cascades, information contagion has been presented in the literature as an explanation for particular patterns of macrobehavio...

The Net Present Value maximizing model has a respectable ancestry and is considered by most scholars a theoretically sound decision model. In real-life applications, decision makers use the NPV rule, but apply a subjectively determined hurdle rate, as opposed to the “correct” opportunity cost of capital. According to a heuristics-and-biases-program approach, this implies that the hurdle-rate ru...

Exact string solutions are presented, where moduli fields are varying with time. They provide examples where a dynamical change of the topology of space is occurring. Some other solutions give cosmological examples where some dimensions are compactified dynamically or simulate pre-big bang type scenarios. Some lessons are drawn concerning the region of validity of effective theories and how the...

We examine the Cournot oligopoly model in the context of social and individual learning. In both models of learning, firms update their decisions about how much to produce via variants of the genetic algorithm updating procedure. Arifovic (1994) found that both models of social and individual learning converged to the Walrasian, competitive equilibrium. Vriend (2000) reports that the model of s...

The models Feldstein and Rothschild, on the hand, and Jorgenson on the other adopted in 1974 to highlight the replacement ratio are identical. Yet, the authors reached opposite conclusions and that view prevailed, which is weaker in terms of theoretical and empirical foundations. This paper argues that both puzzles may be resolved by reference to the differences in the methodological preconcept...

us: This inquiry seeks to establish the importance of the critiques leveled by Thorstein Veblen and Tony Lawson against the orthodox economics. In order to advance this point this inquiry advances the notion that Neoclassical school and its sub school known as marginal utility theory are constructed upon shaky philosophical and methodological foundations that include the hedonistic conception o...

The &as if ' view of economic rationality defends the pro"t maximization hypothesis by pointing out that only those "rms who act as if they maximize pro"ts can survive in the long run. Recently, the problem of arriving at a logically consistent de"nition of rational behavior in games has shown that one must sometimes study explicitly the evolutionary processes that form the basis of this view. ...