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Biased auctioneers
(2022)
We construct a neural network algorithm that generates price predictions for art at auction, relying on both visual and non-visual object characteristics. We find that higher automated valuations relative to auction house pre-sale estimates are associated with substantially higher price-to-estimate ratios and lower buy-in rates, pointing to estimates’ informational inefficiency. The relative contribution of machine learning is higher for artists with less dispersed and lower average prices. Furthermore, we show that auctioneers’ prediction errors are persistent both at the artist and at the auction house level, and hence directly predictable themselves using information on past errors.
David Rothenberg, a philosophy professor and Jazz musician, has been improvising with nonhuman animals for years, among his playing partners are birds and whales, known to be territorial animals. As Deleuze and Guattari propose that the origin of art is precisely the territorialising animal and more a function of nature than a specifically human cultural achievement, their concept of territory and rhythm offers a non-anthropocentric way of looking at these encounters. Rothenberg’s sonic experiments in resonance and interspecies interaction do not rely on language, thus I argue that the human and the nonhuman animals form a temporary joint territory via sonic rhythms and engage in a mutual becoming by forming a rhizome. His sound thinking practice thus also helps in decentralising further anthropocentric models of music and art.
We study the accuracy and usefulness of automated (i.e., machine-generated) valuations for illiquid and heterogeneous real assets. We assemble a database of 1.1 million paintings auctioned between 2008 and 2015. We use a popular machine-learning technique—neural networks—to develop a pricing algorithm based on both non-visual and visual artwork characteristics. Our out-of-sample valuations predict auction prices dramatically better than valuations based on a standard hedonic pricing model. Moreover, they help explaining price levels and sale probabilities even after conditioning on auctioneers’ pre-sale estimates. Machine learning is particularly helpful for assets that are associated with high price uncertainty. It can also correct human experts’ systematic biases in expectations formation—and identify ex ante situations in which such biases are likely to arise.
In fast jedem autoritär regierten Staat werden von den Machthabern Maßnahmen wie Repressalien und Strafen ergriffen, die die erwünschten Verhaltensweisen der Menschen erzwingen und diese dazu bringen sollen, sich einer bestimmten Ideologie unterzuordnen. Die Kunst ist ein besonders empfindlicher Bereich des öffentlichen Lebens und entzieht sich zumindest teilweise diesen Methoden. Eine Kontrolle über die Künstler und ihr Schaffen erfordert seitens der Staatsgewalt deshalb meistens ein subtileres Instrumentarium. Aber auch andere, "weiche" Faktoren haben einen Einfluss auf das politische Verhalten der Künstler und die Gestaltung der Kunstinhalte.
Este texto é uma resposta ao texto de Fernando de Moraes Barros, intitulado “Ontologia coercitiva da obra de arte: Adorno contra Heidegger”. Em linhas gerais, trata-se de um exame do funcionamento interno do texto “A origem da obra de arte”, de Heidegger. Assume-se a coexistência de dois eixos no texto de Heidegger, um crítico, compatível com o pensamento de Adorno, e outro ontológico, incompatível com a reflexão de Adorno sobre a arte.
Depuis sa naissance, notre science est restée fidèle dans son évolution à une idée, celle qui veut que la jouissance et la création esthétiques, la beauté et l’art soient indissociables. L’objet de cette science peut présenter des formes diverses, mais il est homogène. L’art est considéré comme la représentation du beau réalisée à partir d’un état esthétique et perçue à travers une attitude comparable ; la science de ces deux états psychiques ainsi que du beau, avec ses modifications, et de l’art avec ses genres, le tout constituant une entité unique, porte un seul nom, celui d’esthétique. ...
A partir de un poema póstumo de Paul Celan, el presente artículo analiza el dictum de Theodor W. Adorno sobre la imposibilidad de la lírica después de Auschwitz y busca determinar el impacto de tal proposición en la obra de Celan. Al mismo tiempo, indaga la recepción de la poesía de Celan en las ideas mismas de Adorno, particularmente en Negative Dialektik y Ästhetische Theorie. Por último, explora las paradojas de cualquier lenguaje poético que pretenda dar cuenta del Holocausto artísticamente.