The efficiency of the art market: Evidence from variance ratio tests, linear and nonlinear fractional integration approaches
Goodness C. Aye
Luis A. Gil-Alana
Rangan Gupta
Mark Wohar
2134/27393
https://repository.lboro.ac.uk/articles/journal_contribution/The_efficiency_of_the_art_market_Evidence_from_variance_ratio_tests_linear_and_nonlinear_fractional_integration_approaches/9496910
This paper investigates the weak-form efficiency hypothesis for the art market. We consider 15 art price indices namely: Contemporary, Drawings, France, Global index (Euro), Global index (USD), Modern art, Nineteenth century, Old Masters, Paintings, Photographies, Postwar, Prints, Sculptures,
UK and US. We use quarterly data from 1998:1 to 2015: 1. We employ both standard and
non-parametric single and joint variance ratio tests while accounting for small sample bias through the use of the wild bootstrapping. We show that the majority of the art markets are inefficient with the exception of the Old Masters that consistently prove efficient under both individual and joint variance ratio tests. To a lesser extent Contemporary, US and UK markets are also efficient. However, confronting the data with both linear and nonlinear long memory models as robustness
check, we observe that Paints, Prints, Photographies, Nineteenth century, Modern Art, US, France and Drawings have unit roots and are therefore efficient. Others such as Post war Sculpture, and Contemporary have values of the fractional parameter d significantly different from 0 to 1 and they may be considered efficient as well in a number of cases. The US and Contemporary art markets appear to be efficient irrespective of the method used.
2017-11-13 13:48:06
Art market
Market efficiency
Variance ratio tests
Random walk
Martingale
Non-parametric
Business and Management not elsewhere classified