Managed futures funds are predominantly trend-followers. By analyzing positioning data, we provide novel evidence for this claim and estimate signals applied by these funds. We write trend-followers aggregate position as a weighted sum of past daily returns use generalized ridge regression regularization parameter estimation. This procedure prevents overfitting but remains flexible enough to ca...

purpose: to assess parameters that had a capability of influencing the rate of big bubble formation during deep anterior lamellar keratoplasty (dalk) in keratoconus. methods: a total of 290 consecutive eyes from 257 patients with keratoconus that underwent dalk using the big-bubble technique were enrolled. the influence of patient age and sex, family history of keratoconus, history of contact l...

INTRODUCTION One of the main strategic challenges for organizations today is to effectively manage change and stay competitive in the future. Change appears to be the only constant in contemporary business and is present in every industry and in every country (Brown & Eisenhardt, 1998). Moreover, the key area of importance, current within many organizations, is how to effectively leverage techn...