We have written about this endless loop of reasoning before. But I guess someone thinks this perpetual motion exercise does some good. AVIATION has long been blamed for its share of anthropogenic global warming. Indeed, some travellers now ask themselves whether their flight is strictly necessary and, if they decide it is, salve their consciences by paying for the planting of trees. These, so they hope, will absorb the equivalent of their sinful emissions.
The colloquium notes Lara Alawattegama (LA): Monopoly means ‘a market with a single supplier’ Why a monopoly happens: 1. No close substitutes 2. Legal barriers to entry 3. Resource barriers 4. Unfair competition -predatory pricing Rohan Samarajiva (RS) : Lack of competition leads to monopolies.