Israel, Ronen; Moskowitz, Tobias J. - In: Journal of Financial Economics 108 (2013) 2, pp. 275-301
We examine the role of shorting, firm size, and time on the profitability of size, value, and momentum strategies. We find that long positions make up almost all of size, 60% of value, and half of momentum profits. Shorting becomes less important for momentum and more important for value as firm...