Quotation: ‘The act of repeating erroneously the words of another’

The art market, insider trading and judging greatness

In an ongoing series frieze asks curators, artists and writers to list the books that have influenced them

Svetlana Boym (Princeton Architectural Press, 2008)

Federico Fellini (Rizzoli, New York, 2008)

Simon Critchley (Granta, London, 2008)

The strange and wonderful world of gallery assistants

The artist lives and works in Istanbul and Berlin

Portraits, patterns and fashion; post-colonialism and mortality

Identical dimensions and precarious constellations

Cuba, performance and society’s relationship to its history

Publishing as an act of performance; the materiality of language

What exactly do we mean when we call an artist or writer a charlatan?

A commission that involved the artist filling a condemned building with 90,000 litres of chemical liquid

A new work is a retrospective, of sorts

The artists employ voices for the first time in an installation that comprises film, sound and kinetic elements

The artist’s first web-based project began with the barest of ideas

Bridget Riley has conducted an endlessly enriching inquiry into the relationships between form, composition and visual perception

Five reasons why the art world is a desperate mess, followed by five responses. Do not read the conclusion until you've read the rest

Seth Price’s exploration and manipulation of music, writing, publishing, plastic, curating, discursive performance

For 20 years, Wolfgang Tillmans’s photography has been a sustained meditation on observation, perception and translation

Mark Tribe, West Oakland, California, USA

Tate Britain, London, UK

Andrea Winkler, Hotel Alpenhof, Oberegg, Switzerland

Paul Schütze (free download)

John Baker (Trunk Records, 2008)

Alexander Tucker (ATP Recordings, 2008)

In an ongoing series, frieze asks artists and filmmakers to list the movies that have influenced their practice

Artist Olafur Eliasson’s forthcoming professorship at Berlin’s Universität der Künste will be an experiment in art education

Recent developments in Russian and Chinese contemporary art

Translation and political subjectivity in the work of Julia Meltzer and David Thorne

A new, expanded edition of Lawrence Weschler’s classic, Seeing is Forgetting the Name of the Thing One Sees: A Life of Contemporary Artist Robert Irwin is a cause for celebration

Ilya Kabakov’s return to Russia and Moscow’s refurbished Pushkin Museum

The Sculpture Center, New York, USA

Ullens Centre for Contemporary Art, Beijing, China

South London Gallery, UK

Museum Boijmans van Beuningen, Rotterdam, The Netherlands

Various sites, New York, USA

Cubitt, London, UK

Huerta de San Vincente, Granada, Spain

Metropolitan Museum, New York and Museum of Contemporary Art, Chicago, USA

Media Art Bath at the Holburne Museum, Bath, UK

Museum of Modern Art, Warsaw, Poland

Casey Kaplan Gallery, New York, USA

Pinacoteca do Estado, São Paulo, Brazil

Stuart Shave / Modern Art, London, UK

KW Institute for Contemporary Art, Berlin, Germany

Tanya Bonakdar Gallery, New York, USA

Milton Keynes Gallery, UK

Galerie in Taxipalais, Innsbruck, Austria

P.S.1 Contemporary Art Center, New York, USA

Ingleby Gallery, Edinburgh, UK

Kunstverein für die Rheinlande und Westfalen, Düsseldorf, Germany

Sketch, London, UK

Kunstverein Freiburg, Germany

Frankfurter Kunstverein, Germany

Whitney Museum of American Art, New York, USA

LA><Art, Los Angeles, USA