We extend the theory of tax incidence under Cournot-Nash oligopolistic competition to study the effects of an ad valorem sales tax on Web services (so-called Web Tax) that are provided free of charge to users, and produce advertising space sold to businesses. Ads are more valuable to advertisers...

Because of the upswing in electronic commerce via the Internet, governments in the European Union and the United States have been discussing the shaping of an effective system of turnover taxation in cyberspace since the late 1990s, but have failed to agree on a definite tax system. An analysis...

Because of the upswing in electronic commerce via the Internet, governments in the European Union and the United States have been discussing the shaping of an effective system of turnover taxation in cyberspace since the late 1990s, but have failed to agree on a definite tax system. In the Kiel...