The Revenge Of the Bean Counters; Studios Yell 'Cut!' As Costs Spiral For Filmmaking
Economics of movie-making is changing as corporate parents squeeze Hollywood studios to produce higher return on capital; studios have responded by reducing number of films they release, thus increasing their leverage with artists and producers, and finding ways to lower costs; change from a decade ago, when 'creatives' could dictate terms is striking; charts of costs and revenues; drawing; photo (L)