"There are companies making money selling more efficient appliances, selling materials with lower carbon footprints.
Selling software to consumers online is much more efficient than selling through retail stores.
For small companies, private issues can be more efficient than selling new public shares, he said.
Hence, fixed cost of exporting to each market (together with the fact that more-efficient firms are larger) is the key mechanism in these models for the result that only the more efficient firms sell in the more remote markets.
Companies that emit too much would need to buy additional permits, and companies that are more efficient can sell their excess allowances.
This takes time, so it's more efficient to sell similar items, and items that are easy to photograph and describe.
Yet their businesses are just slightly more efficient versions of selling by catalog.
Not surprisingly large storage vendors have been slow to adopt technologies like 3PAR's for a simple reason: making storage more efficient ultimately means selling less gear and is essentially akin to committing commercial suicide.
Resourceful entrepreneurs will find more secure, more elusive, more efficient ways of selling drugs over the web.
Partly because of high gas prices here, European cars are already far more efficient than those sold in the United States.
