I ringa utsträckning diskuteras graden av konkurrens. En förklaring kan vara, att konkurrensuppfattningen härrör från neoklassisk teori. En mera realistisk konkurrensuppfattning vinns genom att utgå från SCP-paradigmet. Med hjälp av detta paradigm kan urskiljas tre grupper av begrepp,...

Many countries that produce rough diamond have experienced a highly adverse pattern of economic development. In this article, we propose that the primary reason for the negative impact is that diamonds easily become the prize in predatory struggles between loot-seeking rebels and more or less...

System reliability is a key aspect of electricity supply, and the ability to maintain system reliability thus is an important aspect of a liberalised electricity market. But system reliability can be ensured only if there is sufficient reserve capacity at all times. In a liberalised electricity...

In a non-cooperative oligopoly model where firms use simple linear prices, Klemperer (1987) has shown that the existence of consumers’ switching costs may generate monopoly like prices, and thereby create substantial loss in welfare. We show that when allowing firms to use two-part tariffs,...

We analyze the success of filtering as a solution to the spam problem when used alone or concurrently with sender and/or receiver pricing. We find that filters alone may exacerbate the spam problem if the spammer attempts to evade them by sending multiple variants of the message to each...

In this paper we investigate the incentives of unemployed workers to wait for a recall when recall probabilities are endogenously determined by the waiting decisions of others. Because of a positive externality that arise when workers seek new employment, an excessive number of workers choose to...

Incentive contracts must typically be based on performance measures that do not exactly match agents’ true contribution to principals’ objectives. Such misalignment may impose difficulties for effective incentive design. We analyze to what extent implicit dynamic incentives such as career...

Law firms are expected to be controlled by the workers because given the diffculty of monitoring labor, the transaction cost would be very high and the essential human capital investment would be lacking in a firm controlled by the capital suppliers. Expectations are confirmed by the data....

We provide an analysis of corporate governance networks implied by members of board of directors of 319 companies listed in Istanbul Stock Exchange (ISE) for the year 2007. Our configuration yields a bipartite network for which we provide small world statistics in addition to the usual measures...