摘 要

自从4G网络大规模实施之后，人们对网络的要求不止于此，便出现了5G这一新兴概念，如果5G投入运营，可以大大便捷我们的生活，也能相应提高经济水平。因此很多公司纷纷致力于研究5G概念，市场上也出现了许多5G概念上市公司，有些公司发展的很快，取得的利润大，盈利能力强，而有些公司的净亏损也很严重，盈利能力很薄弱。作为一个新的产业，我们需要重点关注其发展，因此本文选取了10家5G概念上市公司2014-2018这5年来的数据，从销售毛利率、主营业务利润率、成本费用利润率、总资产收益率、净资产收益率、每股收益等多个指标，不再局限于单一苍白的指标，较为系统全面地分析了企业的盈利能力，分析了其盈利能力高低的原因，并作出了相应的总结和政策建议。

关键词：5G概念；上市公司；盈利能力

Profitability Analysis of 5G concept listed companies

ABSTRACT

Since the large-scale implementation of the 4G network, people's requirements for the network are not only here, so a new concept of 5G has emerged. If 5G is put into operation, it will greatly facilitate our lives and improve the economic level accordingly. Therefore, many companies are committed to studying the 5G concept, and there are many listed companies with 5G concept in the market. Some companies are developing very fast, making big profits and strong profitability, while some companies have serious net losses and weak profitability. As an emerging industry, 5G needs to focus on its development. Therefore, this paper selects 10 listed companies with 5G concept from 2014 to 2018. From the gross sales rate, profit margin of main business, profit margin of cost and expense, return on total assets, return on net assets, earnings per share and other indicators, it is no longer limited to a single pale index, more systematic and comprehensive. This paper analyzed the profitability of enterprises, analyzed the reasons for their profitability, and made corresponding summaries and policy recommendations.

Key words：5G Concept; Listed Companies; Profitability

目 录

1 绪论……………………………………………………………………………………………………..1

1.1 5G研究背景及研究意义……………………………………………………………....................1

1.2 文献综述与问题的提出……………………………………………………………….................1

2 5G行业现状分析及样本数据的选取…………………………….........................................................4

2.1 5G行业现状分析………………………………………………………..........................................4

2.2 样本数据选取及来源…………………………………….....………………..................................4

3 5G概念上市公司商品经营能力相关的盈利能力分析.........................................................................6

3.1销售毛利率……………………………………………………………………................................6

3.2 主营业务利润率…………………………………………………………………….......................7

3.3成本费用利润率................................................................................................................................8

4 5G概念上市公司资本资产经营能力相关的盈利能力分析.................................................................10

4.1总资产收益率....................................................................................................................................10

4.2净资产收益率....................................................................................................................................11

5 5G概念上市公司每股收益质量分析.....................................................................................................13

5.1每股收益............................................................................................................................................13

5.2扣除非经营性损益后的每股收益....................................................................................................14

6 5G概念上市公司主要结论.....................................................................................................................16

6.1主要结论............................................................................................................................................16

6.2政策建议............................................................................................................................................16

致谢..............................................................................................................................................................18

参考文献......................................................................................................................................................19..