Novel data-driven analyses, appropriate for detecting economic instability in non-stationary time series, are developed using functional principal component analysis (fPCA) and Synchrosqueezing. fPCA is applied in a new way, aggregating multiple financial time series to identify periods of...

We report data from a laboratory experiment using dictator games to inform individual preferences over punishment outcomes. We find that many people punish after receiving disadvantageous outcomes, and those who do systematically prefer to use punishment to create self-advantageous inequality.