TY  - SER
AU  - Ajid Ur Rehman, 
AU  - Shah, Attauliah
TI  - Lead Lag Relationship and Directional Asymmetry in Stock Returns of Smali and Large Portfolios Evidence fromKarachi Stock Exchange
KW  - Lead-Lag Relationship
KW  - Directional Asymmetry
KW  - Modaraba Scam
ER  -