In the year 2008 and the first half of 2009, the world witnessed the unfolding and heavy repercussions of the global financial crisis which affected Vietnam, among others, through the reduction of investments inflow, lower global commodity prices and trade. The government of Vietnam has acted...

This paper examines the situation in which a monopolist offers freeware as an advertisement to increase the demand in order to maximize profit even though the existence of such freeware will reduce the power of the monopolist in the market. We prove that the successful application of freeware is...