This paper establishes a B-core existence result for normal form TU games.

Recent growth in fringe benefits is attributable to increases in both legally required and voluntarily provided benefits. Therefore, predictions based upon the conventional firm-level analysis, in which non-wage payments are assumed to be entirely exogenous, should be reexamined.

Recent growth in fringe benefits is attributable to increases in both legally required and voluntarily provided benefits. Therefore, predictions based upon the conventional firm-level analysis, in which non-wage payments are assumed to be entirely exogenous, should be reexamined.

This paper presents a result of a voluntary contribution mechanism experiment with partial communication. We found that the trend of mean investments depended on whether a communication network was connected or not and on how fast all subjects could share information.