**5. Discussion**

The research results allow the following aspects to be presented:


• At the level of the Chinese economy, there is a significant distribution of errors to the right of the trend for several periods, namely: 1990–1995, 1997–1999 and 2004–2009;

The Indian economy was characterized by significant error distribution in the periods of 1999–2000 and 2015–2019,

Based on the results of the analysis, we formulated the following proposals to improve public policies in the field of combating water pollution caused by microplastics (see Table 5).

**Table 5.** Proposals for improving public policies in the field of combating water pollution caused by microplastics.

## **Table 5.** *Cont.*

#### **Table 5.** *Cont.*

\* Arrived at by authors using official statistical data base [55].

The importance of this study lies in combining in an integrated way OECD data on microplastic water pollution and identifying relevant policies to combat this type of pollution.
