Indeed, using the same projected real return of 5.5% a year, Messrs Feldstein and Samwick find that benefits can be kept at their current level without raising taxes.
Moreover, commercial garbage trucks, which will join household garbage vehicles in offloading at 91st Street, are not subject to the same projected hygienic standards and upgrades outlined in your editorial.
Economic growth of 5% this year, and the same projected for next, will not match the country's population growth; Kenya may have more than 40m people by 2015, up from 3m a century ago, 9m at independence and 32m or so today.
The frequently used three-face Berkovich indenter was simulated by an axisymmetric conical indenter with the same projected area-depth function.
The natural packing of porous alumina in aligned microchannels allow high loading of enzymes in the form of thin film as compared to flat support of the same projected area.
The stress intensity factors (SIF) associated with branched fatigue cracks can be considerably smaller than that of a straight crack with the same projected length, causing crack growth retardation or even arrest.
