It is usually believed that the presence of a labour union makes firms as well as consumers worse off by increasing wages compared to the situation with no labour union. We show that the presence of a labour union may increase the incentive for entry and may also make consumers better off...

We show that the entry of private profit-maximising firms makes the consumers worse off compared to having a nationalised monopoly. Such entry increases the nationalised firm’s profit, industry profit, and social welfare, at the expense of the consumers. Our result is important for competition...

In this paper, we examine the ranking of the maximum-revenue tariff and the optimum-welfare tariff under a linear Cournot oligopoly model without and with free entry of domestic firms. We demonstrate that in a regulated entry oligopoly with asymmetric costs, when the marginal cost of the...

This paper firstly shows that in a vertically related industry with either domestic upstream monopolist or foreign upstream monopolist, when the upstream firm adopts uniform input pricing, the optimum-welfare tariff is higher than the maximum-revenue tariff, if the number of foreign competitors...

This paper examines the effects of obtaining a strategic advantage of becoming the leader in the market on insiders’ incentives to merge and consumer welfare. We show that being the market leader is privately profitable for the merging insiders. We also show that the leading merger would...

This paper investigates the impacts of competition structures on firms’ incentives for adopting strategic environmental corporate social responsibility (ECSR) certified by a Non-Governmental Organization. We show that, to induce firms to adopt certified ECSR, the certifier will set a standard...

Purpose – The purpose of this paper is to extend the work of earlier researches relating to insider trading issues in the stock market under a Cournot-Stackelberg duopoly. Design/methodology/approach – This paper models that the competition among the insiders in the real market be...