abstract:The big push model is a concept in development economics or welfare economics that emphasizes that a firm's decision whether to industrialize or not depends on its expectation of what other firms will do. It assumes economies of scale and oligopolistic market structure and explains when industrialization would happen.
The utilitymodel is provided withthe rollingpush rodof a back stopdevice with lowcost, and has the advantages of bigmoment, simplestructure and reliable operation.