Results 171 to 180 of about 15,044,355 (406)
Testing the Marketing Performance of German Wheat Farmers
ABSTRACT This paper analyses the marketing performance of wheat farmers in Germany. Wheat sales data from 465 individual farms over a 12‐year period are used to test against different market benchmarks. Market benchmarks are constructed by simulating passive trading agents using regional wheat prices.
Franziska Potts, Jens‐Peter Loy
wiley +1 more source
Time-Varying Multi-Seasonal AR Models [PDF]
We propose a seasonal AR model with time-varying parameter processes in both the regular and seasonal parameters. The model is parameterized to guarantee stability at every time point and can accommodate multiple seasonal periods. The time evolution is modeled by dynamic shrinkage processes to allow for long periods of essentially constant parameters ...
arxiv
DIURNAL AND SEASONAL CHANGES IN THE ASCORBIC ACID CONTENT OF SOME VEGETABLES [PDF]
Hans Platenius
openalex +1 more source
A Change of Seasons—A New Beginning!
J C P H – Vol. 68, no 5 – septembre–octobre 2015 436 General Meeting and Educational Sessions. The final edition of this long-standing CSHP conference took place in Ottawa from August 15 to 18, 2015. The termination of this meeting came about through careful adherence to the steps of organizational change: identify the change, engage the volunteers and
openaire +4 more sources
Tracking Dengue Epidemics using Twitter Content Classification and Topic Modelling
Detecting and preventing outbreaks of mosquito-borne diseases such as Dengue and Zika in Brasil and other tropical regions has long been a priority for governments in affected areas.
Cedrim, Diego+7 more
core +1 more source
Could the chemical industry mitigate rapid global cooling from a catastrophic volcanic eruption?
Abstract Estimates based on historical data place the probability of a catastrophic volcanic eruption in the next 100 years at around one in six. Large volcanic eruptions can lead to significant global cooling for 2–4 years, with potentially devastating impacts on global agriculture.
David S. Sholl
wiley +1 more source
Minicomputer-controlled frequency generator [PDF]
Extremely-accurate and low-phase-noise frequency generator varies oscillator frequency as predetermined function of time. System could be used: (a) to automatically vary transmission frequencies in accordance with seasonal and diurnal changes in ...
Winkelstein, R. A.
core +1 more source
This study presents an Internet of Things‐based stormwater monitoring framework piloted at the University of Maryland campus to support Municipal Separate Stormwater Sewer System compliance and adaptive planning. Developed with key campus stakeholders, the framework integrates real‐time sensor deployment, data‐informed insights on runoff and water ...
Qianyao Si+16 more
wiley +1 more source
Seasonal borrowing and open market operations [PDF]
A review of the Federal Reserve's seasonal borrowing program, including 1) an investigation of the original rationale for the program, 2) a determination of how changes in financial market structure during the intervening years may have affected that ...
E.J. Stevens
core