Not necessarily. The demonstration of economics papers is divided into five parts: abstract, introduction, theoretical framework, empirical part and summary, in which the empirical part is divided into data description, empirical model, empirical results and robustness test.

Finally, it is customary to write a summary and introduction. Generally, it is necessary to write the theoretical framework first, then determine the method, then explain the model setting and data situation, and finally report the results and robust conclusions.