There are barcodes, Pos (point of sale) and EDI (Electronic Data Interchange)
system help supply chains partners receive. It's fair to demand data to manage stocks and product plans, more like something to attracting RFDI is quite important.
POS and EDI can't provide lost sale (when there's no more product that customers wanted left on shelves) to reduce this issue RFID make products transaction details visible to supply chain.
More than the bullwhip effect is a big deal that change the demand to increase with each step to supplier, Negative result can also be the need of using of productions material. How to solve this is design capacity for peak demand and support
underused products.
The biggest problems are the cost of RFID