Radon volatilization mechanism into the gas phase was hypothesized to explain the anomalous decline in groundwater radon precursory to the 2003 M <Subscript>W</Subscript> = 6.8 Chengkung earthquake in Taiwan. We initiated the monitoring of both radon and methane in the groundwater since November 2007 at well D1 in...</subscript>

The active Chihshang fault in the southern segment of longitudinal valley of eastern Taiwan is part of the suture boundary between the Eurasia plate and the Philippine Sea plate. Radon anomalies in groundwater were recorded prior to three major earthquakes—(1) 2003 M <Subscript>w</Subscript> = 6.8 Chengkung, (2)...</subscript>

We present an equilibrium framework in which asset prices, default-free term structure and default premia are determined simultaneously.

This study empirically investigates the impact of regional digital economy level on green investment and analyzes the heterogeneity according to geographical location and economic development level by using provincial panel data from 2010 to 2020. The results demonstrate that, first, the digital...