empirical research based on vegetable industry in China empirical research based on listed companies in China Economic research on the methanol industry in China empirical research baced on the e-retailer micro empirical research based on insurance investment and D&O insurance empirical analysis based on the data of China an empirical research based on the date of Chinese enterprises an empirical research based on China listed power companies an empirical research based on Chinese stock market since 1999 an empirical research based on B2B perspective