Showing 1 - 10 of 14
for constructing PIOTs from process engineering models. The method was tested on a PIOT for nitrogen with a subset of … sectors in Illinois (USA) and compared with a nitrogen PIOT developed earlier for the same time period, finding equal or …
Persistent link: https://www.econbiz.de/10011991460
and preliminary economic modeling to evaluate ion exchange columns, one technical option for recovering nitrogen from … urine in Nairobi, Kenya. This technology could be combined with phosphorus recovery and a disinfection step to allow local …
Persistent link: https://www.econbiz.de/10012623038
phosphorus, calcium, manganese and zinc. Phytase supplementation caused a decrease in phosphorus excretion by 8% in the group …. Phytase supplementation increased the retention of phosphorus by 31% in laying hens receiving 500 FTU and 57% in the group …
Persistent link: https://www.econbiz.de/10011849412
Over the past 15 years there has been remarkable progress in the specification and estimation of dynamic stochastic general equilibrium (DSGE) models. Central banks in developed and emerging market economies have become increasingly interested in their usefulness for policy analysis and...
Persistent link: https://www.econbiz.de/10010298635
We show that a simple and intuitive three-parameter equation fits remarkably well the evolution of the gross domestic product (GDP) in current and constant dollars of many countries during times of recession and recovery. We then argue that this equation is the response function of the economy...
Persistent link: https://www.econbiz.de/10010299170
Models have been extensively analysed in economic methodology, notably their degree of ability to provide explanations. This paper takes a complementary, comparative approach, examining theory development in the natural sciences. Examples show how diverse types of evidence combine with causal...
Persistent link: https://www.econbiz.de/10011988714
manufacturing and distribution centers. The modelling of the retrieval-travel time of an AS/RS (expected product delivery time) is …
Persistent link: https://www.econbiz.de/10011995873
mathematical modelling and model solving, up to implementation. …
Persistent link: https://www.econbiz.de/10011825939
major steps; 1) Data preparation 2) Modelling/Generation of IGNRN, and; 3) Measuring three classes of centrality, namely …
Persistent link: https://www.econbiz.de/10014285568
Various strategic plans compiled by the local levels of government seek to advance the need to integrate strategic planning frameworks and improve service delivery and related content through the application of performance management tools. From the perspective of municipalities, all policies...
Persistent link: https://www.econbiz.de/10014333175