This paper analyses whether the first-best level of public inputs exceeds the second-best level. On the basis of a simple model, we argue that the level of productivity-enhancing public expenditures ...

Supersaturated design (SSD) has received much recent interest because of its potential in factor screening experiments. In this paper, we provide equivalent conditions for two columns to be fully ...

Select growers on the North and Central Coasts are already using Lumo pump automation to fully automate irrigations from pump to plant on ranches ranging from 60 to 1,300 acres. With block-level ...