This paper examines the impact of the legalization of abortion on neonatal mortality in the United States. Monthly time series data are used to estimate intervention models separately for the U.S. as a whole and for the States of New York and South Carolina. Legalization of abortion in 1973 is...

The paper describes a simulation case study of a high capacity digital radio link subject to frequency selective fading with M-QAM modulation and different types of channel encoding. The error rate of the uncoded M-QAM digital radio channel is estimated first. Then the performance of the encoded...

Converting available biomass from municipal, agricultural and forest wastes to bio-methanol can result in significant environmental and economic benefits. Keeping these benefits in mind, one plausible scenario discussed here is the potential to produce energy using bio-methanol in five states of...

Some perceive a dilemma between 'Universal Service' and competition in local telecommunications markets. Universal service objectives have been met primarily by a system of cross-subsidies that keep rates artificially low for some (usually residence) and artificially high for others (usually...