No one can be certain, theorists have said, until a full - scale competitive system is tried in a serious fashion, on a large scale, over a lengthy period. (educationnext.org)
The real estate brokerage industry has been slower to change, with the result that consumers are paying higher commissions and fees than they would under a more competitive system. (justice.gov)
A popular extraction method involved drying the cochineal bug, and since 70,000 insects were required for a single pound of pigment a highly competitive system of piracy developed among European countries bringing it from the New World. (galleriesnow.net)