Bitcoin is a major virtual currency. Using weekly data over the 2010-2013 period, we analyze a Bitcoin investment from the standpoint of a U.S. investor with a diversified portfolio including both traditional assets (worldwide stocks, bonds, hard currencies) and alternative investments...

Despite the dramatic surge in the production of fakes, their impact on the art market remains unexplored. This paper investigates the overall impact that the discovery of a fake painting, for example a fake Gauguin, has on the market for paintings from the same artist (Gauguin’s artworks)....

Levy and Roll (Review of Financial Studies, 2010) have recently revived the debate related to the market portfolio's efficiency suggesting that it may be mean-variance efficient after all. This paper develops an alternative test of portfolio mean-variance efficiency based on the realistic...

During World War II, the art market experienced a massive boom in occupied countries. The discretion, the inflation proof character, the absence of market intervention and the possibility to resell artworks abroad have been suggested to explain why investing in artworks was one of the most...

Following Waterloo, managing French public finances represented a daunting task. Defeated France had lost a substantial part of its population and territory. The country was partially occupied and France was to pay huge amounts as reparations to the victors. Furthermore, France’s reputation...

This paper investigates the informational efficiency of bond markets when investments are constrained by financial repression. To assess informational efficiency, this paper performs weak-form efficiency tests on the most liquid bond traded in Italy during the war. Surprisingly, the bond market...

The market portfolio efficiency remains controversial. This paper develops a new test of portfolio mean-variance efficiency relying on the realistic assumption that all assets are risky. The test is based on the vertical distance of a portfolio from the efficient frontier. Monte Carlo...

The market portfolio efficiency remains controversial. This paper develops a new test of portfolio mean-variance efficiency relying on the realistic assumption that all assets are risky. The test is based on the vertical distance of a portfolio from the efficient frontier. Monte Carlo...

The emergence of the gold standard has for a long time been viewed as inevitable. Fluctuations of the gold-silver exchange rate in world markets were accused to lead to brutal and unsustainable switches of bimetallic countries’ money supplies. However, more recent work has shown that the...

The emergence of the gold standard has for a long time been viewed as inevitable. Fluctuations of the gold-silver exchange rate in world markets were accused to lead to brutal and unsustainable switches of bimetallic countries’ money supplies. However, more recent work has shown that the...