In this paper, we introduce a Transactionally Efficient Market Model, which evolves from the standard efficient market model, encompassing both transaction costs and bid-ask prices. Hence, we delve into how arbitrage makes its way within this complex setting. The main outgrowth of the analysis...

In this paper we set forth a new perspective from which to understand and measure the brokerage of asymmetric information that intermediaries usually carry out. Firstly, we deal with partitions of a given set so as to lay grounds to our line of research. Secondly, we argue that trade splits up...