APA
Ludvigson S. C., Ng Serena & National Bureau Of Economic Research. (2005). The empirical risk-return relation: A factor analysis approach. Cambridge, MA: NBER.
Chicago
Ludvigson Syndey C, Ng Serena and National Bureau Of Economic Research. 2005. The empirical risk-return relation: A factor analysis approach. Cambridge, MA: NBER.
Harvard
Ludvigson S. C., Ng Serena and National Bureau Of Economic Research. (2005). The empirical risk-return relation: A factor analysis approach. Cambridge, MA: NBER.
MLA
Ludvigson Syndey C, Ng Serena and National Bureau Of Economic Research. The empirical risk-return relation: A factor analysis approach. Cambridge, MA: NBER. 2005.
TextSeries: NBER working paper seriesPublication details: Cambridge, MA NBER 2005Description: 26pISBN: 
Working Papers (Print)
