Some studios don't do low budget movies. On the other hand, independents can't afford to do extravaganzas or movies that are heavy with special effects. Third, money and resources. The obstacle that I ran into each time that I tried to start a business was money. And it takes a major commitment of money and resources for any business to take on a new product.
Businesses have to consider a number of factors.
Readers won t buy large books by new writers, so publishers won't print them. Development time is expensive. Take time to find out about what businesses are looking for. Businesses are expensive to run, and promoting things takes a lot of money. In order to put a movie studio project together, studios and producers have to find people who will be willing to finance the picture.