A "consistency rating" for assessing the impacts on logging crews from variation in wood purchases and usage by consuming mills
Ulmer, James R
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The logging industry is faced with a wide range of issues that negatively impact its profitability. Markets are a key cause of lost production for loggers. Mill procurement practices can exacerbate these market impacts. Ideally, a logger would choose to haul wood to the mill that has consistent raw material demand rather than one that fluctuates with changing markets. A "consistency rating" was created to evaluate procurement strategies of different mills from a dataset that included weekly inventory, purchases, and consumption information from over a 12 to 20 month period for approximately 100 forest product mills in the USA South and Maine. The consistency of mill purchase levels was positively correlated with the consistency of production of logging crews delivering to those same mills. Data envelope analysis was then used to measure and benchmark how efficiently mills purchase wood despite the amount of variability they may see in their wood usage.