interplay of immigration, native human-capital investment and the resulting consequences for the labour market outcome of …

the determinants of telecommunications investments and presents two possible solutions to the investment problem. The …

as profit share, and that total output, consumer welfare and social welfare increase.The second chapter analyzes duopoly …) revenue model, or a combination of them in monopoly or duopoly environment. It's shown that offering both types of ad …

profitability on the optimal market entry timing and firm values. The duopoly model shows the existence of three types of ….Extending the duopoly model to the oligopoly case the results present that each additional competitor delays the first market …

&D policy, in a model where investment in cost reducing R&D is committed before firms compete in a differentiated-goods third … differentiation the duopoly is subsidized or the government remains inactive. In contrast, the monopoly is always subsidized. The … government with a duopoly may be active or inactive depending on the degree of product differentiation. Thus, we may observe a …