# Tag Info

Accepted

• 12.6k

### Holding cost vs carrying cost vs storage cost

According to a buddy of mine who was a faculty member in the area of purchasing / sourcing / procurement (they change their name every few years), "holding cost" and "carrying cost" are used pretty ...
• 29.7k

• 2,665
Accepted

### Three newsvendor functions, three optimal solutions—which is correct?

Only approach 1 is correct! The other two approaches double-count one of the costs. In particular, approach 2 double-counts the cost of purchasing units. The cost of purchasing units is already "...
• 12.6k
Accepted

• 12.6k

### Units in the EOQ problem

It is an interesting question. EOQ model starts from that the minimum point of the total cost (Inventory holding + Ordering cost). At the minimum point, the Inventory holding cost equals to the ...
• 209
Accepted

### (Q,R) inventory policy with supplier disruptions

Yes, there are such models. On (Q,R) specifically, see Gupta (1996), Parlar (1997), Mohebbi (2003), and others. There are many papers on other inventory models (not necessarily (Q,R)) under ...
• 12.6k