Showing 11 - 20 of 8,127
Official seasonal water supply outlooks for the western United States are typically produced once per month from January through June. The Natural Resources Conservation Service has developed a new outlook product that allows the automated production and delivery of this type of forecast...
Persistent link: https://www.econbiz.de/10009429513
spatial distribution of D. citri nymphs and adults was analyzed using Iowa's patchiness regression and Taylor's power law …
Persistent link: https://www.econbiz.de/10009429531
Current estimators of variance for the k nearest neighbours (kNN) technique are designed for estimates of population totals. Their efficiency in small-area estimation problems can be poor. In this study, we propose a modified balanced repeated replication estimator of variance (BRR) of a kNN...
Persistent link: https://www.econbiz.de/10009429532
Bayesian belief networks (BBNs) are useful tools for modeling ecological predictions and aiding resource-management decision-making. We provide practical guidelines for developing, testing, and revising BBNs. Primary steps in this process include creating influence diagrams of the hypothesized...
Persistent link: https://www.econbiz.de/10009429552
In this paper we relate university licensing revenues to both university research expenditures and characteristics of the university and the university technology transfer office. We apply the Hausman-Taylor estimator for panel data with time-invariant explanatory variables and the...
Persistent link: https://www.econbiz.de/10009429565
The extreme cost of fighting wildland fires has brought fire suppression expenditures to the forefront of budgetary and policy debate in the United States. Inasmuch as large fires are responsible for the bulk of fire suppression expenditures, understanding fire characteristics that influence...
Persistent link: https://www.econbiz.de/10009429575
This paper develops an approach for forecasting in Thailand core inflation. The key innovation is to anchor the projections derived from the short-term time-series properties of core inflation to its longer-run evolution. This involves combining a short-term model, which attempts to distill the...
Persistent link: https://www.econbiz.de/10005605247
This paper uses six waves of the Bank of Italy Survey of Households Income and Wealth to explore the dynamics of asset portfolio ownership. The household asset portfolio decision is a choice among discrete alternatives, and I model the problem in a multinomial framework. I focus on a...
Persistent link: https://www.econbiz.de/10005605275
In this paper we provide a review of copula theory with applications to finance. We illustrate the idea on the bivariate framework and discuss the simple, elliptical and Archimedean classes of copulae. Since the cop- ulae model the dependency structure between random variables, next we explain...
Persistent link: https://www.econbiz.de/10005677999
outcomes to decisions and then to choose the optimal distribution of outcomes. This assumes that the decision maker trusts the …
Persistent link: https://www.econbiz.de/10005696677