Projecting State Agricultural Production Quantities with a Cobb-Douglas Programming Model

A Cobb-Douglas programming model of Michigan agriculture sector production was developed for.13 commodities using 24 input categories and tested for the period 1955~1962. Input supply and commodity demand schedules are used by the algorithm to solve for input and output quantities by year

Curfews and delinquency in major American cities.

In 1972, the Board of Trustees of the National Council on Crime and Delinquency called for the abolishment of municipal curfew ordinances. This article examines whether curfews have withered away as called for by supporters of the noninterventionist juvenile justice reform model, or whether they have flourished as part of the alternative get tough reform movement. The findings show that 59 of the 77 American cities with 1992 populations of more than 200,000 now have curfews. In one 5-year period (1990-1994) 26 of these 77 major cities adopted curfews for the first time. Key issues of curfew implementation are discussed