Cooperative business relationships are dramatically changing the structure of the North American agri-food sector. An examination of recent events in the grain industry reveals the extent to which cooperative ventures are becoming integrated into international agribusiness. When Cargill decided to expand its presence in Canada it participated in several joint ventures, one with Hazzard Farm Ser...

background: a new microextraction method named dispersive liquid-liquid microextraction (dllme) for determination of chloroform in pool water and blood of swimmers after swimming is described. methods: this method was performed based on coupling dispersive liquid-liquid microextraction (dllme) with gas chromatog­raphy-mass spectrometry (gc-ms). methanol and trichloroethylenes were used as the d...

People on average do not play their individually rational Nash equilibrium (NE) strategy in game experiments based on the public goods game (PGG) that model social dilemmas. Differences from NE behavior have also been observed in PGG experiments that include incentives to cooperate, especially when these are peer-incentives administered by the players themselves. In our repeated PGG experiment,...

In 2003, the first two authors proved that a chess-likes game has a Nash equilibrium (NE) in pure stationary strategies if (A) the number n of players is at most 2, or (B) the number p of terminals is at most 2 and (C) any infinite play is worse than each terminal for every player. In this paper we strengthen the bound in (B) replacing p ≤ 2 by p ≤ 3, provided (C) still holds. On the other hand...

We study learning in Bayesian games (or games with differential information) with an arbitrary number of bounded rational players, i.e., players who choose approximate best response strategies [approximate Bayesian Nash Equilibrium (BNE) strategies] and who also are allowed to be completely irrational in some states of the world. We show that bounded rational players by repetition can reach a l...

A major frontier in foldamer research is creation of unnatural oligomers that adopt discrete tertiary structures; at present, only biopolymers are known to fold into such compact conformations. We report an initial step toward helix-bundle tertiary structure in the beta-peptide realm by showing that a 10-residue beta-peptide designed to adopt an amphiphilic helical conformation forms small solu...

The fully dissociated hexon polypeptide of adenovirus type 2 has a molecular weight of 129,000 (+/-10,000) daltons as determined by high-speed sedimentation equilibrium in 6 m guanidine.