Activity Cost Driver

Not all cost drivers are created equal. In an ABC system, they generally fall into four hierarchical levels. Understanding this hierarchy is crucial for accurate cost assignment.

| Feature | Traditional Cost Driver | Activity Cost Driver | | :--- | :--- | :--- | | | One driver for all overhead | Multiple drivers per activity | | Causality | Assumes all costs vary with volume | Recognizes that many costs vary with complexity and transactions | | Accuracy for Diverse Products | Low (often distorts costs) | High | | Example Driver | Direct labor hours | Number of setups, number of purchase orders, number of engineering change orders | activity cost driver

Whether you are a startup founder, a production manager, or a CFO, your mission is clear: identify your key activities, find the factors that truly drive their costs, and manage those drivers ruthlessly. In the end, profitability is not just about what you earn; it is about what you understand. And activity cost drivers are the key to that understanding. Not all cost drivers are created equal

In modern business accounting, an is a measurable factor or event that causes a change in the cost of a specific business activity. Unlike traditional accounting methods that might broad-brush costs across all products based on volume alone, identifying activity cost drivers allows businesses to pinpoint exactly what is consuming their resources. | Feature | Traditional Cost Driver | Activity

To fully appreciate the activity cost driver, one must contrast it with the traditional, volume-based cost driver. In traditional costing systems (like plant-wide overhead rates), companies often use a single, simplistic driver—typically or Machine Hours —to allocate all overhead costs.

635–004–0200
Organization 635–004–0205
Licensing Requirements 635–004–0210
Authority of Enforcement in Fishery Conservation Zone and Exclusive Economic Zone 635–004–0215
Definitions 635–004–0220
Closed Season and Areas 635–004–0223
Restrictions on Shared Ecosystem Component Species Applicable to All Commercial Fisheries 635–004–0225
Bait Restrictions 635–004–0230
Same Trip Recreational and Commercial Fishing — When Unlawful 635–004–0235
Fishing Gear 635–004–0240
Far Offshore Fishery Defined 635–004–0245
Commercial Vessel License - Right to Land Fish 635–004–0250
Declaration 635–004–0255
Compliance Evidence 635–004–0260
Far Offshore Fishery Trip Limit 635–004–0265
Fishing Within 200-Mile Fishery Zone — When Unlawful 635–004–0270
Organization of Groundfish Rules 635–004–0275
Scope, Inclusion, and Modification of Rules 635–004–0280
Maintaining Records of Cumulative Catch 635–004–0285
Trawl and Fixed Gear Groundfish Fisheries Defined 635–004–0290
Logbook Required 635–004–0295
Black Rockfish, Blue Rockfish and Nearshore Fishery Defined 635–004–0300
Requirement for Black Rockfish/Blue Rockfish/Nearshore Fishery Permit 635–004–0305
Permit Fee 635–004–0310
Eligibility Requirements for a Permit 635–004–0315
Review of Denials 635–004–0320
Renewal of Permit 635–004–0325
Lottery for Limited Entry Black Rockfish/Blue Rockfish/Nearshore Fishery Permits 635–004–0330
Transferability of Permits 635–004–0335
Logbook Required 635–004–0340
Fishing Gear 635–004–0345
Length Limits 635–004–0350
Harvest Guidelines and Landing Caps 635–004–0355
Trip Limits 635–004–0360
Incidental Catch in Other Fisheries 635–004–0365
Black Rockfish Management Areas 635–004–0370
Organization of Coastal Pelagic and Smelt Species Rules 635–004–0375
Scope, Inclusion, and Modification of Rules 635–004–0376
Logbook Required 635–004–0377
Fishing Gear 635–004–0378
Bycatch Restrictions 635–004–0379
No Reduction Fishery Allowed 635–004–0380
Sardine Fishery Defined 635–004–0385
Requirement for Sardine Permit 635–004–0390
Sardine Permit Fee 635–004–0395
Eligibility Requirements for a Sardine Permit 635–004–0400
Review of Denials — Sardine Permit 635–004–0405
Renewal of Sardine Permit 635–004–0410
Lottery for Limited Entry Sardine Permits 635–004–0415
Transferability of Sardine Permits 635–004–0420
Logbook Required 635–004–0430
Sardine Catching Vessel 635–004–0445
Inland Waters Herring Fishery Defined 635–004–0450
Inland Waters Herring Season 635–004–0455
Yaquina Bay Roe-Herring Fishery Defined 635–004–0460
Requirement for Yaquina Bay Roe-Herring Permit 635–004–0465
Yaquina Bay Roe-Herring Permit Fee 635–004–0470
Eligibility Requirements for a Yaquina Bay Roe-Herring Permit 635–004–0475
Revocation and Refusal to Issue Permits 635–004–0480
Review of Denials 635–004–0485
Renewal of Yaquina Bay Roe-Herring Permit 635–004–0490
Lottery for Limited Entry Yaquina Bay Roe-Herring Permits 635–004–0495
Transferability of Yaquina Bay Roe-Herring Permits 635–004–0505
Roe-Herring Season and Harvest Limit 635–004–0510
Fishery Pacific Ocean Herring Defined 635–004–0515
Pacific Ocean Herring Season 635–004–0525
Anchovy Fishery Defined 635–004–0530
Inland Waters Anchovy Fishery 635–004–0540
Smelt Fishery Defined 635–004–0545
Smelt Fishery Prohibitions 635–004–0550
Organization of Highly Migratory Species Rules 635–004–0555
Scope, Inclusion, and Modification of Rules 635–004–0560
Albacore Tuna Fishery Defined 635–004–0565
Albacore Tuna License Required 635–004–0570
Exemption to Far Offshore Fishery Restriction 635–004–0575
Organization of Other Finfish Rules 635–004–0580
Pacific Halibut Fishery Defined 635–004–0585
Scope, Inclusion, and Modification of Pacific Halibut Fishery Rules 635–004–0590
Coastal Rivers Shad Fishery Defined 635–004–0595
Closed Coastal Rivers Shad Season 635–004–0600
Coastal Rivers Shad Fishing Gear 635–004–0605
Incidental Catch of Salmon and Striped Bass 635–004–0610
Hagfish Fishery Defined 635–004–0615
Pacific Hagfish Harvest Guideline 635–004–0620
Hagfish Fishing Gear 635–004–0625
Logbook Required — Hagfish 635–004–0630
Sturgeon Fishery Defined 635–004–0635
Sturgeon Fishery Closures 635–004–0640
Sturgeon Fishing Gear 635–004–0645
Sturgeon Size Limit 635–004–0650
Surfperch FFishery Defined 635–004–0655
Closed Surfperch FSeason 635–004–0660
Minor Finfish Fishery Defined 635–004–0665
Minor Finfish Species 635–004–0670
Logbook Required — Minor Finfish Fishery 635–004–0675
Intertidal Animal Fishery Defined 635–004–0680
Commercial Shellfish and Intertidal Animal Permit Required 635–004–0685
Commercial Shellfish and Intertidal Animal Permit Fee 635–004–0690
Logbook Required — Commercial Shellfish and Intertidal Animal

May 26, 2025

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