It is considered that the result of agglomeration in a region is natural enough to provide high level of benefits for the firms and agents located in the region, so the study measures the potential benefits. Efficiency, technological progress and increasing returns to scale are examined through...

Four new nationwide entrants were introduced into the Korean mobile telephone industry provoking intense competition among the five carriers by late 1997. Some assert that there is excessive competition and industry restructuring is needed. In this paper, we analyze the profitability of mobile...

In some industries such as telecommunications and electricity, the fixed costs are so high that competition is not sustainable without considering the fixed cost in pricing. The sustainability of competition is as important as enhancing competition when an industry is in the transitional period...

The purpose of this paper is to analyze strategic behavior of vertically integrated firms when there is downstream entry, taking into account the balance between "competition in the market" and "competition for the market." This analysis can serve to explain diverse distributional structures,...