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Special topic of mathematical modeling-China's per capita GDP and its upward trend
Well, I happened to take part in last year's national mathematical modeling competition for college students, and I won a national second prize. Since you want to study this problem, I want to tell you that this problem is very good and helpful to you in the future. I am also very interested in this kind of problem. Here, you must first find the historical data of China's per capita GDP, and then learn the least square method, which is very important, because you need to use this to fit the mathematics over the years. Fitting can be done by mathematical software. And I think if you have time and interest, you should learn the macro part of western economics and some basic principles of Marx's political economy, so that you can study the relationship between GDP and our life.

Here is a brief introduction for everyone. I also study this aspect: the meaning of GDP is the sum of the final market value of goods and services produced by a country or region throughout the year. This is the theory of western economics. In fact, the value here is not exactly the same as the axiology of Marxist political economy. It should be regarded as a price and more reasonable. Generally speaking, the more things we produce (including goods and services), the more things we can enjoy, the more profits we generate, the more taxes the country gets, the more power the country has to build better infrastructure for us, invest more resources to promote economic and technological development, and the higher our international status, the more convenient it is for us to travel, live and study abroad.

I also suggest that you don't simply study China's GDP per capita and the upward trend. In fact, we have written more than 30 pages, 18000 words. You should also know about the composition of China's per capita GDP, including the years of rapid growth and the years of slow growth, as well as the changes in the ratio coefficient of our per capita GDP to GDP, so as to comprehensively consider, predict and even compare with the world's per capita GDP over the years to see when we can catch up with the world.

I hope it helps you!