Bandulet, Martin (contributor) - 2005
losses in
a competitive environment.
JEL–classification: D8, D62, L86
Key words: Advertising, Externalities, Internet Portals … LaMacchia, 1998). In addition to spam, also portal
advertising has emerged, causing a nuisance to surfers on the internet (see …
the extended model, the internet portal) bears wH, the reading cost wL is borne by
the recipient of the ad, i.e. the …