Changes to convertible bond accounting under US GAAP will mean higher reported debt but, paradoxically, a lower (and sometimes zero) interest expense. In our view, the resulting increase in earnings is artificial, fails to faithfully represent the cost of convertible financing and will not benefit investors. The recent surge in convertible issuance, and the use of so-called convertible bond hedges, may have more to do with favourable accounting than favourable economics. We use the recent con...