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.
Now lets talk about some of the main competitors for ADP. The two largest competitors are Paychex and Ceridian. The largest chunk of ADP and these two competitors revenue is the payroll processing and human resource service. Lets go through the two competitors to see where they stand out and where ADP needs to make some adjustments. Ceridian Corp.