Abstract Motivated by the widespread presence both of decentralised unions and cross-participation at ownership level (for instance in Japan and US), this paper aims at investigating whether the conventional wisdom that a reduction in the degree of product differentiation (which increases...

The present study analyses the effects of an increase in the share of crossownership in a Cournot duopoly with firm-specific monopolistic unions. Since the cross-participation at ownership level implies a lower degree of competition, then in a duopoly without unions, as expected, consumer...

The present paper analyses the effects on social welfare of a partial crossparticipation at ownership level in a differentiated Cournot duopoly. We show that cross-participation, despite the fact it appears as an anti-competitive practice which reduces the degree of market competition, may...

The present study analyses the effects on social welfare of the existence of cross-participation at ownership level in a Cournot duopoly. We show that crossparticipation, despite it lowers the degree of competition by reducing total output and consumer surplus, may increases social welfare,...