no pinyin in public computers (the power adapter for my laptop was broken again, T-T ), so I just reply in english, hoping it works well for all of you.
exactly, the phenomenon is called matthew effect. my ecology teacher taught me that when resources are distributed unevenly, it will cause such kind of effect, which is exactly the case in economical activities. such resources as customers are one key factor i'd like to mention. because most people live in cities instead of urban areas and city also has different functional districts, like CBD(central business district).
as matthew effect indicates, the profit earned by big cinemas is much more than that by small ones. so I think more profit will be earned as a whole, a good thing for national economy. what we worry about, i mean the problem lies in the development of film industry and new-born cinemas.
without thinking over the first one, i shall talk about the second. i think big cinemas take control of central district of big cities. it's no good for new-born cinemas to compete with them in these places. i wonder whether or not it is ok to classify customers into different types and make new-born or small cinemas cater to one or two certain types instead of the majority by making it professional. in addition, the advantage of big cinemas is their reduced cost due to expansion. why not new-born or small cinemas try to reduce the cost a step further in a different way? you may know the long tail theory, i mean when cost decrease, profit increase greatly.