After a quarter century of sprawling study, it’s time to narrow the focus and settle on an explanation
            
    
    
  
Valentin Haddad’s research looks at the phenomenon of “information aversion,” when individual investors stop tracking their portfolios for fear of bad news
            
    
    
  
Tyler Muir finds that neither war nor deep recession darkens investor sentiment like sudden turmoil in the financial system
            
    
    
  
Andrea Eisfeldt finds that hedge funds with infrastructure to execute sophisticated arbitrage crowd out less-expert investors
            
    
    
  
Research by Bruce Carlin and Stephen Spiller suggests YouTube videos could help consumers make better money decisions
            
    
    
  
Research reveals that those wary of payday loans tend to manage their finances better