This work attempts to integrate the twin-structure of arbitrage operations in both securities and currency markets. By looking into cross-listed and cross-currency stocks in several exchanges, it is found that arbitrage is indeed a viable option, since price differences of the same assets exist...

For a set of firms with concentrated insider ownership, we find that (a) the bidask spread changes significantly around the board meeting dates, and (b) the actual number of transactions by insiders increases following the board meetings. We also find that there is a statistically significant...