Agenda Power in the Italian Chamber of Deputies, 1988–2000

We present strong evidence that governing coalitions in Italy exercise significant negative agenda powers. First, governing parties have a roll rate that is nearly 0, and their roll rate is lower than opposition parties' roll rates, which average about 20% on all final‐passage votes. Second, after one controls for distance from the floor median, opposition parties have higher roll rates than government parties. These results strongly suggest that governing parties in Italy are able to control the legislative agenda to their benefit. We also document significantly higher opposition roll rates on decree‐conversion bills and budget bills than on ordinary bills—results consistent with our theoretical analysis of the differing procedures used in each case.     

Development and usage of a NIST standard reference material for real time PCR quantitation of human DNA

National Institute of Standards and Technology SRM 2372 human DNA quantitation standard has been produced to support the need for a human-specific DNA quantitation standard in forensic casework and calibration of new quantitative polymerase chain reaction (qPCR) assays. The conventional DNA concentration has been assigned with one of the U.S. National Reference UV/Visible Spectrophotometers, assuming an absorbance of 1.0 at 260 nm equals 50 ng/μL of double stranded DNA. In addition, an interlaboratory study has been conducted, to verify that the SRM 2372 materials perform well in currently used DNA quantitation assays by the forensic DNA community. Each unit of SRM 2372 consists of three well-characterized DNA extracts. Component A is a single-source human male material derived from blood. Component B is a multiple-source human female material derived from blood. Component C was purchased as a purified unsheared genomic human DNA (Sigma-Aldrich Co., St. Louis, MO) obtained as a lyophilized human genomic extract and has both male and female donors. SRM 2372 is intended to enable the comparison of DNA concentration measurements across time and place. Manufacturers can use SRM 2372 to validate the values assigned to their own reference materials. Individual forensic laboratories can use SRM 2372 to validate DNA quantitation methods and to verify the assigned concentration of in-house or commercial DNA calibration standards.     

European and U.S. aircraft development strategies

A comparison of 20 years of aircraft production in Europe and America. U.S. cost increases in the system acquisition process have resulted in large part from unforeseen (sometimes unforseeable) engineering difficulties in the development phase, and from substantial production commitment before development was complete. Common European strategy completed basic development before beginning production and demonstrated utility through prototypes, using early proof-testing of engines, electronics and airframes. An alternative acquisition strategy to that used in the 1960s in the United States is recommended for the next decade: (1) incremental acquisition, based on a sequence of decision points and a succession of development and production phases; and (2) pronounced austerity in early development phases. These changes would result in lessened cost growth and lower U.S. acquisition costs, as well as in improved predictability of schedule and system performance outcomes.The following statement was prepared for the Committee on Armed Services, United States Senate, and was presented on December 7, 1971.