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En 1965, Allais proposa une reformulation tout à fait originale de la théorie quantitative de la monnaie. Il s’agit de la théorie Héréditaire et Relativiste (HR) de la demande de monnaie. Apparue une décennie après la reformulation friedmanienne et la publication du modèle de Cagan (1956) relatif aux hyperinflations, cette théorie n’a pas réussi à se frayer une voie dans le champ de l’analyse monétaire. Plusieurs raisons ont concouru au non succès de cette théorie dont notamment son cadre conceptuel tout à fait étrange par rapport aux approches alors dominantes. L’objet de notre thèse est d’interroger l’apport de la théorie HR en tant que reformulation de la théorie quantitative et ce par rapport à la question de la stabilité de la demande de monnaie.Cette thèse est composée de trois parties. La première partie développe certains préludes nécessaires à l'analyse de la théorie HR (partie I). Les deux dernières parties contiennent les deux principaux résultats de notre travail. Le premier est que la théorie HR constitue une reformulation « ontologique » de la théorie quantitative, qui passe par la considération du temps psychologique-le temps tel que ressenti par l’ensemble des agents économiques (Partie II). Le second résultat est que la théorie HR, en tant que théorie macroéconomique, est grosse d’un changement paradigmatique qui fait écho à celui introduit en physique par la théorie de la relativité : pour certains phénomènes monétaires, la théorie HR substitue à l’explication par des relations causales entre agrégats une explication par la seule déformation psychologique du temps (Partie III). / In 1965, Allais proposed an original restatement of the quantity theory of money. It is the Hereditary and Relativistic (HR) theory of the money demand. Published a decade after Friedman’s restatement and Cagan’s model of hyperinflations, the HR theory remained unknown. Many reasons contributed to the lack of success of this theory, one of which is related to its conceptual framework which is incongruous with the standard approach. The HR theory is based upon the notion of time relativity from a psychological point of view, and the idea that the behavior of economic agents is conditioned by a hereditary effect of past events.Our thesis aims to investigate the contribution of the HR theory as a restatement of the quantity theory with regard to the question of the stability of money demand.The thesis is composed of three parts. The first part contains necessary preludes to the analysis of the HR theory (Part I). The second and the third part contain the two main results of the thesis. The first one is that the HR theory represents an ontological restatement of the quantity theory based on the notion of “psychological time”- time as experienced by the collectivity as a whole (Part II). The second result is that the HR theory, as a macroeconomic theory, contains a paradigmatic shift which echoes the one introduced in physics by the theory of relativity: in the HR theory, an explanation of some monetary phenomena using the psychological distortion of time is substituted to the explanation through causal relations between aggregates (Part III).

For almost a century, Virginia Woolf has enchanted readers all over the world with her novel about the gender fluid and time travelling character Orlando. British director Sally Potter adapted Orlando into film in 1992, and her adaptation has since gained immense fame and a continuous presence in world cinema. Potter's Orlando has been the object of a great deal of scholarly interest. However, previous research has predominantly focused on questions of gender and sexuality. Considerably underdiscussed is the film's fascinating conception of time and space. This thesis therefore sets out to analyze Sally Potter's Orlando in order to demonstrate how time and space is shaped in the film.  Theories developed by George Bluestone and André Bazin form the theoretical framework of this thesis. Through a close reading of the film, this thesis demonstrates that Potter establishes an unconventional temporality and spatiality through constructing a nonlinear, often contradictory temporality conveyed through contrasts between the organic and the fantastic, the real and the fictitious. Furthermore, the analysis finds that spatiality in Potter's Orlando is presented as multidimensional, allowing certain characters the possibility to inhabit a "fluid spatiality". Through presenting the past and the present as fused, Potter's Orlando can be understood through the optics of Bluestone's concept of "the flux of time" and Henri Bergsons la durée réelle. Simultaneously, breaks in the narrative presented through intertitles can be read as representing Bergsons idea of l'étendu, while also establishing a tangible spatiality.