Agronomic research on crop response to nitrogen fertilizer suggests that a plateau function may be appropriate, but the plateau varies across fields and years. Available models that treat the plateau as a stochastic variable are not readily extendable to handle field or year random effects as...

In recent years, wholesale pork prices have experienced large price swings. While supply changes have likely contributed to these price swings, demand for pork bellies, which is the primal cut that is cured into bacon, has grown. We determine the impact of changes in belly prices on the dynamics...