For its part, the Isotope Program calculated demand for the gas not in a scientific way but instead on the basis of how many commercial companies called to inquire each year about helium-3 supplies.
The utilizable nitrogen in non-supplemented DW medium of ca. 150 mg/L (ammonium-N plus urea-N) is thus much smaller than the calculated demand.
Between 2012 and 2013, the calculated demand for beds was 174.
Pepy mooted doubling the scale of any high-speed network by building four lines rather than two, citing an error in calculating demand for the Paris-to-Lyon route.
If it amounts to a big number it will be because of the large number of users, not a large surplus per user.One other facet of the platform makes calculating demand and thus consumer surplus challenging: not all users will have the same low elasticity.
A large percentage of Google's YouTube advertising platform is automated, with similar problems to solve in terms of figuring out what ad to serve to what viewer, calculating demand and allocating available inventory, and more.
In order to calculate demand and other macro-variables in such way, economic growth and demographics have to be indicated exogenously, in addition to technology costs, technical characteristics (e.g., conversion efficiencies), and development [16, 20].
MESSAGE could only calculate demand endogenously when coupled with MACRO, a Computable General Equilibrium (CGE) model that would communicate iteratively with the energy components of MESSAGE to calculate energy prices based on the best mix of energy sources used to supply demand (e.g., demand and supply balances), which is in turn calculated using GDP and energy prices.
The need and approach to calculating demand for service provision will vary depending on the service of interest.
These joins were temporary joins performed with SQL queries in Microsoft Access in order to calculate demand values at each physician location and access values for each dissemination block.
