Considerable prior research argues that time to death, not population aging, explains the growth of healthcare expenditures. The objective of this study is to shed light on this debate by presenting new evidence on the red herring hypothesis. This study adopts quantile regression analysis to...

Empirical evidence has suggested that R&D investment is positively related to economic growth. This paper extends prior research by further examining the heterogeneous effects of R&D expenditures in the high-tech sector on economic growth. This study adopts a quantile regression approach to...

Numerous studies focus on the analysis of the effects of different factors on global information and communication technology (ICT) adoption. Due to the limitations of the least squares method in showing the impact of the estimated coefficients on the mean, this study applies quantile regression...