The non-price determinants of supply include which of the following?

The non-price determinants of supply include the following:

- **Production costs and input prices**: Changes in the costs of raw materials or labor can affect how much of a product a supplier is willing to produce at any given price.
- **Government policies**: This includes taxes, subsidies, and regulations that can impact production costs and incentives.
- **Expectations**: If suppliers expect future prices to rise, they may decrease current supply to sell more at higher prices later.

Therefore, the most accurate statement regarding the non-price determinants of supply from your list is:

**Production costs, input prices, government policies, and expectations.**