Cross-generational and cross-dialectal variation in vowels among speakers of American English was examined in terms of vowel identification by listeners and vowel classification using pattern recognition. Listeners from Western North Carolina and Southeastern Wisconsin identified 12 vowel categories produced by 120 speakers stratified by age (old adults, young adults, and children), gender, and...

This paper examines the generational aspect of the current Medicare system and some stylized reforms. We find that the rates of return on Medicare for today’s workers are higher than those for Social Security and that the Medicare system is shifting a greater share of the burden on future workers than is Social Security. Nonetheless, the rates of return on Medicare, using the Medicare Trustees ...

Perception of dialect variation is well studied with respect to perceptual similarity of talkers based on dialectal markers. This study examines the perceptual distinctiveness of regional vowel variants in light of cross-generational changes in vowel productions. Listeners from two regional dialects of English identified the dialect of the speaker in monosyllabic words (produced by older adults...

The proposition that complexity generally increases with evolution seems indisputable. Both developmental and generational changes often display a rise in the number and diversity of properties describing a wide spectrum of ordered systems, whether physical, biological, or cultural. This article explores a quantitative metric that can help to explain the emergence and evolution of galaxies, sta...

Using a nationally representative, longitudinal sample of Asian American late adolescents/young adults (ages 18-26), this article investigates the link between peer effects, school climate, on the one hand, and substance use, which includes tobacco, alcohol, and other illicit mood altering substance. The sample (N = 1585) is drawn from the National Longitudinal Study of Adolescent Health (Waves...

Fiscal Policy and Educational Attainment in the United States A Generational Accounting Perspective In this paper, we investigate the consequences of the rise in educational attainment on the US generational accounts. We build on the 1995 accounts of Gokhale et al. (1999) and disaggregate them per schooling level. We show that low skill newborns are characterized by a negative generational acco...