Bjerksund, Petter; Stensland, Gunnar - Institutt for foretaksøkonomi, Norges Handelshøyskole … - 2006
This paper considers the valuation of a spread call when asset prices are lognormal. The implicit strategy of the Kirk formula is to exercise if the price of the long asset exceeds a given power function of the price of the short asset. We derive a formula for the spread call value, conditional...