This paper uses stamp catalogue prices to investigate the returns on British collectible postage stamps over the period 1900–2008. We find an annualized return on stamps of 7.0% in nominal terms, or 2.9% in real terms. These returns are higher than those on bonds but below those on equities....

The risk-return characteristics of art as an asset have previously been studied through aggregate price indexes. By contrast, we examine the long-run buy-and-hold performance of an actual portfolio, namely the collection of John Maynard Keynes. We find that its performance has substantially...

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...