Each driver has a characteristic spatial and temporal scale at which it affects ecosystem services and human well-being. Climate change may operate on a spatial scale of a large region; political change may operate at the scale of a nation or a municipal district.
Amazon has several competitors in the electronics and general merchandise segment, many of which are brick and mortar rivals including Best Buy, Family Dollar, RadioShack, Staples, Target, Walmart, Sears, Big Lots, Delia and Systemacs.
But there are disadvantages: 1  The buyer dictates which of your products will be stocked. 2  You lose control of price. Amazonâs pricing policy means discounting will be inevitable. 3  An onerous vendor contract. 4  You must commit to weekly stock replenishment, no matter how small the quantity.