Statistical relationships called expenditure elasticities are detailed for 24 major food groups and 77 subgroups. They allow researchers and policymakers to anticipate what can happen to family expenditures for these foods when income and household size change. The elasticities generally confirm...

Two approaches, a flexible accelerator model and a stochastic coefficients alternative, are used to estimate the structure of aggregate agricultural investment. Structural estimates of the adjustment rates for each model are similar. The stochastic coefficients model, however, performs better in...