We present comprehensive evidence in support of giving liquidity equal standing to size, value/growth, and momentum as investment styles, as defined by Sharpe (1992). First, we show that financial market liquidity, as identified by stock turnover, is an economically significant indicator of...

Algorithmic collusion is a hot topic within antitrust circles in Europe, US and beyond. But some economists downplay algorithmic collusion as unlikely, if not impossible. This paper responds to these criticisms by pointing to new emerging evidence and the gap between law and this particular...

For any emission trading system (ETS) with quantity-based endogenous supply of allowances, there exists a negative demand shock, e.g. induced by abatement policy, that increases aggregate supply and thus cumulative emissions. We prove this green paradox for a general model and then apply it to...

This paper seeks to point out and to correct some mistakes of the conventional theory of imperfect competition based on partial equilibrium analysis. It extends to imperfect competition the classical model of general equilibrium, signaling the interconnections between individual prices and...

The war/peace/war appearances of our tragic realities of the 20th and just 21st centuries, and the COVID 19 pandemic appearance of our dramatic realities of the recent last years are ‘aboutness’ issues implying all of us… revealing some of the rational beings’ characteristics, and...

This paper develops a general continuous-time evolutionary finance model with time-dependent strategies. It is shown that the continuous model, which is a limit of a general discrete model, is well-defined and if there exists one completely diversified strategy in the market, then there is no...

There is the possibility to affirm on a very surprising (methodological) equivalence, beyond a historian space-time, between two important attempts toward the forever difficult "problem solving": I: Consolation of Philosophy, by Roman philosopher and mathematician Boetius (ca. 480–524 or 525),...