Luis Valenzuela Rivera nos recomendó esta interesante artículo de la universidad de Cambridge:
Opening Up Economics (Estudiantes de Cambridge) (2001)
Opening Up Economics: A Proposal By Cambridge Students (G.B., junio 2001)
As students at Cambridge University, we wish to encourage a debate on contemporary economics. We set out below what we take to be characteristic of today's economics, what we feel needs to be debated and why:
As defined by its teaching and research practices, we believe that economics is monopolised by a single approach to the explanation and analysis of economic phenomena. At the heart of this approach lies a commitment to formal modes of reasoning that must be employed for research to be considered valid. The evidence for this is not hard to come by. The contents of the discipline's major journals, of its faculties and its courses all point in this direction. In our opinion, the general applicability of this formal approach to understanding economic phenomenon is disputable. This is the debate that needs to take place. When are these formal methods the best route to generating good explanations? What makes these methods useful and consequently, what are their limitations? What other methods could be used in economics? This debate needs to take place within economics and between economists, rather than on the fringe of the subject or outside of it all together.
In particular we propose the following:
1. That the foundations of the mainstream approach be openly debated. This requires that the bad criticisms be rejected just as firmly as the bad defences. Students, teachers and researchers need to know and acknowledge the strengths and weaknesses of the mainstream approach to economics.
2. That competing approaches to understanding economic phenomena be subjected to the same degree of critical debate. Where these approaches provide significant insights into economic life, they should be taught and their research encouraged within economics. At the moment this is not happening. Competing approaches have little role in economics as it stands simply because they do not conform to the mainstream's view of what constitutes economics. It should be clear that such a situation is self-enforcing.
This debate is important because in our view the status quo is harmful in at least four respects. Firstly, it is harmful to students who are taught the 'tools' of mainstream economics without learning their domain of applicability. The source and evolution of these ideas is ignored, as is the existence and status of competing theories. Secondly, it disadvantages a society that ought to be benefiting from what economists can tell us about the world. Economics is a social science with enormous potential for making a difference through its impact on policy debates. In its present form its effectiveness in this arena is limited by the uncritical application of mainstream methods.
Thirdly, progress towards a deeper understanding of many important aspects of economic life is being held back. By restricting research done in economics to that based on one approach only, the development of competing research programs is seriously hampered or prevented altogether. Fourth and finally, in the current situation an economist who does not do economics in the prescribed way finds it very difficult to get recognition for her research.
The dominance of the mainstream approach creates a social convention in the profession that only economic knowledge production that fits the mainstream approach can be good research, and therefore other modes of economic knowledge are all too easily dismissed as simply being poor, or as not being economics. Many economists therefore face a choice between using what they consider inappropriate methods to answer economic questions, or to adopt what they consider the best methods for the question at hand knowing that their work is unlikely to receive a hearing from economists.
Let us conclude by emphasizing what we are certainly not proposing: we are not arguing against the mainstream approach per se, but against the fact that its dominance is taken for granted in the profession. We are not arguing against mainstream methods, but believe in a pluralism of methods and approaches justified by debate. Pluralism as a default implies that alternative economic work is not simply tolerated, but that the material and social conditions for its flourishing are met, to the same extent as is currently the case for mainstream economics. This is what we mean when we refer to an 'opening up' of economics.
31 agosto, 2007
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4 comentarios:
Si bien, es noble el requerimiento que ellos hacen acerca de los beneficios que exista 'competencia en los modelos', discrepo en el diagnostico. No creo que exista una gran mayoria de economistas que digan 'yo creo esto, la evidencia empirica me apoya, pero como al resto de la sociedad no le gustan mis metodos, no lo voy a publicar'. Además, creo que siempre ha existido debate, solo que el debate requiere tiempo en desarrollarse, es cosa de ver hechos históricos... liberalismo (1776) v/s marxismo (1867) diferencia de 100 años! o por ejemplo keynesianos (1933) v/s monetaristas (decada de los 70', 40 años de diferencia).
Por lo que es cosa de tiempo hasta que surgan con fuerza ideas alternativas...
Más que competencia entre modelos, yo interpreto su petición como darle más pluralismo a la carrera, sabiendo que la economía es una ciencia social y que los modelos formales matemáticos son bonitos pero deben ser útiles. Agregar miradas de otras disciplinas como sociología e historia pueden ayudar a la economía. En el mismo sitio hay otros documentos con criticas similares. Que hay un monopolio en la enseñanza económica dominado por las teorías neoclásicas, otros, o que falta una mirada más empírica que complemente los modelos, por ejemplo.
Y sobre las publicaciones, no son ellos los que deciden qué se enseña en las universidades. No creo que haya información perfecta (al estilo diario oficial) en la disciplina. Pero es cierto que las ideas decantan con el tiempo.
Si por "mainstream approach" entendemos aquel basado en el equilibrio a largo plazo de los mercados y el comportamiento racional de los agentes que en ultima instancia buscan maximizar sus funciones de utilidad, hay que decir que este enfoque ha resistido la prueba del tiempo y ha sido el más fructífero a la hora de desarrollar aplicaciones de la teoría económica en practicamente todos los apsectos de la sociedad humana. Y también ha mostrado la suficiente flexibilidad para acomodar todo tipo de derivaciones y supuestos sobre el desempeño económico, como dice un profesor de la facultad, para que un modelo económico sea válido basta con considerar exógenas a preferencias, dotaciones y tecnologías, y aún estas exogeneidades pueden endogeneizarse.
Por otro lado hay que reconocer que en el empeño de acomodar la teoría a los hechos y tratar de defender ciertos supuestos considerados como intocables, mucha de la investigación económica se ha expandido hasta dominios más propios de los matemáticos puros, físicos o ingenieros y en los cuales la mayoría de los economistas (o los que aspiramos a serlo) nos encontramos en desventaja.
El punto de partida para el debate es entonces definir que se entiende como "mainstream approach", ya que en función de la mayor o menor amplitud que le demos a este concepto se irá abriendo el abanico de enfoques alternativos. De todos modos me parece un debate extremadamente interesante y sería bueno que nos tengan actualizados en su evolución, y también que esta facultad participe en él.
Seria interesante poder definir mas claramente eso de "mainstream approach". Puede ser una critica al uso y abuso de la econometria, o tal vez al desarrollo de hermosos modelos de equilibrios matematicos completamente teoricos y que simplemente sirven para entretenerse derivando al infinito... Y en ese caso yo estaria de acuerdo...
O tal vez se refiere a la dominancia de la vision clasica de la economia que no puedo menos que aceptar mientras no vea una vision alternativa que explique mejor... (si, Friedman again) tal como sigo aceptando que la tierra gira alrededor del sol... a pesar de que algunos preferirian "una mirada abierta a otros puntos de vista".
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