# Monetary Policies: Overview

> import DocCard, { DocCardGrid } from '@site/src/components/DocCard'

# Monetary Policies: Overview
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:*

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  <DocCard title="SemilogMonetaryPolicy.vy" icon="vyper" link="./semilog-mp" linkText="SemilogMonetaryPolicy.vy">

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

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  <DocCard title="SecondaryMonetaryPolicy.vy" icon="vyper" link="./secondary-mp" linkText="SecondaryMonetaryPolicy.vy">

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

  </DocCard>
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