This paper provides an empirical analysis how tariff diversity aspects fixed-line broad-band uptake, utilizing a new data set with 1497 fixed-line and 2158 mobile broad-band tariffs from 91 countries across the globe. An instrumental variable approach is applied to estimate demand, controlling...

The paper examines the incentives of Governments to introduce green taxes instead of emission licenses. We take into account the fact that licenses are durable goods, and distinguish Governements that may have fiscal goals as well as ecological ones. Taxes solve the credibility problem a...