This study examines the multi-scale impact of financial, newspaper, and Twitter-based uncertainty on bank stock returns in the United States. By combining Principal Component Analysis and Discrete Wavelet Transformation, we estimate directional spillover and causality for different time...

This paper suggests that in the US context, workers tend to invest in general human capital especially since they face little employment protection and low unemployment benefits, while the European model (generous benefits and higher duration of jobs) favors specific human capital investments....