Complexity sciences: The XXI century economy

The present work gathers the most important aspects of the modern developments in the calls 'theories of complejidad', and tries to offer an ample panorama on which it as much means the complexity for sciences in general like for the economy in individual. The article structure around a series of questions nails and includes abundant references and links to excellent Web sites, representing in this sense a valuable contribution the diffusion of these ideas since syntheses or the sufficiently complete systematizations of the subject and accessible thing do not exist (at the moment). The most important message del work is that the complexity does not have to happen to us unnoticed, already that according to many economists in the world, these developments are producing a revolution in the traditional form to think and to make economy and are going to be crucial for the development of the discipline in the next decades