# Monetary Policies: Overview

Source: [https://docs.curve.finance/developer/lending/contracts/mp-overview](https://docs.curve.finance/developer/lending/contracts/mp-overview)

warning

These are LlamaLend v1 monetary-policy contracts. LlamaLend v2 markets configure a policy through the [Configurator](https://docs.curve.finance/developer/llamalend-v2/configurator.md).

Lending markets use monetary policies to determine interest rates. Each market has its own policy contract.

*Currently, there are two different kinds of policy contracts in use:*

`SemilogMonetaryPolicy.vy`

* * *

Semi-logarithmic monetary policy based on the utilization of lending markets.

[→ SemilogMonetaryPolicy.vy](https://docs.curve.finance/developer/lending/contracts/semilog-mp.md)

`SecondaryMonetaryPolicy.vy`

* * *

A monetary policy that follows the rate of crvUSD mint markets based on the utilization of the market.

[→ SecondaryMonetaryPolicy.vy](https://docs.curve.finance/developer/lending/contracts/secondary-mp.md)