Data and Research
How Reliable Are Repeat-Sales Indices for Art?
Repeat-sales indices track the same work across sales to isolate price change. They are the cleanest art index we have, and they have real, knowable limits.
Tag
art price index methodology
Data and Research
Hedonic Regression in Art Pricing: How Characteristics Drive Value
Hedonic regression prices a painting as a bundle of traits, size, medium, signature, provenance, and reads each one's effect on value. Here is how it works.