We used a recursive modeling approach to study whether investors could, in real time, have used information on the comovement of stock markets to forecast stock returns in European stock markets for high-technology firms. We used weekly data on returns in the Neuer Markt, the Nouveau Marché,...

We analyze the law of one price (LoP) based on BigMac and Fortnite prices. We find a positive but less than perfect correlation between the over-/undervaluations of the two indices. While we cannot reject the LoP for the Fortnite data, we find that it does not hold for the BigMac data.

We analyze the law of one price (LoP) based on BigMac and Fortnite prices. We find a positive but less than a perfect correlation between the over-/undervaluations of the two indices. While LoP holds for the Fortnite data, it does not hold for the BigMac data.