Should Executive Stock Options be Abandoned?

Should chelation therapy be abandoned ?

Executive Stock Options: Portfolio Effects

Since executives typically receive new grants of stock options (ESOs) each year, longerserving executives often have portfolios of ESOs with differing strikes and maturities. Valuation models for stand-alone ESO grants have shown that trading restrictions, which force executives to bear unhedgeable risk until the options are exercised, induce earlier exercise and hence a lower cost to sharehold...

Valuation of Executive Stock Options

It has been common practice to provide executives of firms with executive stock options as a part of the compensation package; such options are available both in US and Australia. These executive stock options are call options with additional restrictions. Until recently, the executive stock options were not required to be disclosed in the financial reports of the firms. But this has changed du...

Should prostate-specific antigen velocity be abandoned?

P rostate-specific antigen (PSA) is the most widely used biomarker for prostate cancer, but may also be elevated in nonmalignant conditions such as benign prostatic hyperplasia. Studies in the early 1990s suggested that rapid increases in PSA over time—a concept known as PSA velocity (PSAV)—may be useful to distinguish prostate cancer from the generally slower rise in PSA that may be seen in be...

Should preoperative mechanical bowel preparation be abandoned?