Exact(6)
Although a universal proportional carbon tax, into which the entire negative externalities of the emissions of a country are woven, achieves the Pareto efficient allocation, realizing such an ideal tax system at this time appears very difficult.
It appears very difficult to distinguish between those two scenarios, especially if introgression occurred soon after the initial speciation.
Under this premises, it appears very difficult to assess whether they accurately reflect the occurrences of both sexes, even within the same age and race (Huxley, 2007).
Performing large-scale RCTs appears very difficult when dealing with this special category of patients who failed several previous cycles because of reduced ovarian reserve.
Development of freezing methods for stallion semen is dependant on finding dependable correlations between laboratory tests and fertility, which appears very difficult to achieve since the results of different studies in this field tend to be contradictive.
According to our nature, we can do everything in an easy way, even when it appears very difficult, if we have zeal and enthusiasm.
Similar(54)
But the UK chancellor, George Osborne, said Syriza's promises to voters appeared "very difficult to deliver" and "incompatible with what the eurozone currently demands", warning that any resulting uncertainty would have an impact on Britain.
For the latter reasons, it would appear very difficult to determine if a particular initiative was based on self-interest.
Although it appeared very difficult to fit such diverse evolution data using fixed relaxation time constants, the results in Fig. 6c, d indicate the satisfactory fitting and short-term prediction performance of Eq. (4).
Inflation appears very remote.
Reflux occurred at low frequency (3.4%) but appeared very specific, albeit difficult to define.
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Justyna Jupowicz-Kozak
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