This dissertation presents four independent papers that advance experimental methods and test theories on saving using experimentally elicited characteristics. The first two papers test two behavioral theories on precautionary saving based on the characteristics loss aversion and prudence by...

The development of information and communication technology (ICT) has totally changed, especially in relation to the use of the internet. Smartphones play an important role as media for using the internet. Today, with the rapid development of ICT, almost everyone has a smartphone with good...