# Gas pipelines and city gas and High-density polyethylene

Their prices have moved together.

Source page: https://www.materialinsights.org/links/gas-pipelines-and-city-gas-and-high-density-polyethylene/

[Gas pipelines and city gas](https://www.materialinsights.org/energy/e_gas_pipelines/) (energy) and [High-density polyethylene](https://www.materialinsights.org/chemicals/hdpe/) (chemical): 1 relationship.

## How they are linked

### 1. Price link: end use

*Cost and price · Strong · Both ways*

HDPE pipe carries much of the gas and water in city distribution networks. The proxy here is a delivered gas price, so it measures gas cost more than pipe demand: 0.06 monthly and 0.62 yearly.

- **0.06** monthly change correlation
- **0.62** 12-month change correlation
- **0.41** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.