Bilevel optimization problems are hierarchical optimization problems where the feasible
region of the so-called upper level problem is restricted by the graph of the solution set …

We investigate the relationship between competition and privatization policies. Existing
studies measure the strength of competition based on the number of firms, and show that the …

We investigate a Cournot model with strategic R&D investments wherein efficient low‐cost
firms compete against less efficient high‐cost firms. We find that an increase in the number …

This study discusses the possible benefits of inviting entrants for downstream retailers when
facing the encroachment of their upstream manufacturers. We consider a model comprising …

Mixed oligopolies are characterized by private and public enterprises. Previously, entry into
these markets was restrictive. It has since been relaxed by deregulations, and as a result …

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 …

Теориям и практикам управления бизнесом посвящено множество работ, однако
сравнительные исследования их преимуществ и ограничений проводятся редко. В …

This paper examines how the order of the firms' moves affects the social efficiency with
foreign ownership and free entry in a mixed oligopoly market. We firstly show that when the …

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The Stackelberg market structure portrays a landscape where strategic interactions fall
within hierarchical competition. Stackelberg's book Marktform und Gleichgewicht (1934) is …