Developing countries apply numerous sector-specific taxes to telecommunications, whose buoyant revenues and formal enterprises provide a convenient 'tax handle'. This paper explores whether there is an economic rationale for sector-specific taxes on telecommunications and, if so, what form they...

Fighting the obesity epidemic has so far proven a difficult challenge, given the diversity of natural and processed foods, the complexity of food supply chains, and the fact that targeting excessive caloric consumption is far trickier than reducing overall consumption (as for tobacco)....