<p>(There is a longer answer by @keepAlive that covers economic theory.)</p>

<p>From a practical perspective, the effect of rate cuts is debatable. In most countries, central banks have undertaken lending programmes designed to avoid cascading defaults in the financial system. This is not designed to cause economic growth, rather to avoid the collapse of activity associated with the closure of the financial system (as seen in 2008).</p>

CC BY-SA 4.0
2020-05-04T13:45:32.170Z
Yes, I agree with you and I do believe that the main aim is not really to stimulate demand but rather to prevent a collapse of demand and also to increase liquidity in credit markets, allowing credit-starved firms to get what they need to survive through this crisis.
Tan Yong Boon
CC BY-SA 4.0
2020-05-04T12:24:17.160Z
2020-05-04T12:24:17.160Z
Brian Romanchuk
<blockquote>
  <p>What is the purpose of monetary expansion in this environment?</p>
</blockquote>

<p><strong><em>Avoiding (and preventing future) supply and demand shocks</em></strong></p>

<p>The purpose is to keep as much as possible markets (labor related, of goods and services, etc...) in their <em>pre-crisis configuration</em> -- imperfectly admittedly -- with the intention of avoiding and preventing future post-crisis supply and demand shocks, which empirically translate into (out of control) inflation (positive or negative: deflation).</p>

<p><strong><em>Doing it well</em></strong></p>

<p>But when I say "supply" or "demand", I am not <em>only</em> talking about <a href="https://en.wikipedia.org/wiki/Aggregate_demand" rel="noreferrer">final demands</a> and <a href="https://en.wikipedia.org/wiki/Aggregate_supply" rel="noreferrer">final supplies</a>. I am talking about <a href="https://en.wikipedia.org/wiki/Supply_chain" rel="noreferrer">supply chains</a> in their entire verticality, i.e. which is related to any <a href="https://en.wikipedia.org/wiki/Intermediate_consumption" rel="noreferrer">intermediate consumption</a> (and related market). And you do not want these intermediary markets to be strongly shocked either, since any shock in those would then propagate to final consumers. As outlined previously, the labor market is a intermediary market like any other from this perspective.</p>

<p>This is where decision makers actually have their role to play, because more than supporting the economy, they have to do it well. Imagine that:</p>

<ol>
<li>They maintain final demands without adequatly maintaining intermediate markets <span class="math-container">$\implies$</span> inflation (which is what happened the most historically), potentially <em>hyper</em> depending on how strong and badly they do it</li>
<li>The net effect of their stimulus boils down to supporting more supplies than demands <span class="math-container">$\implies$</span> deflation...</li>
</ol>

<p><strong><em>In coordination</em></strong></p>

<p>Moreover, in a globalized and highly interconnected economy, you may have control on your domestic product, but clearly not on foreign providers whose economic health depends on foreign monetary policies. Hence the need for a <a href="https://www.ecb.europa.eu/press/pr/date/2020/html/ecb.pr200315~1fab6a9f1f.en.html" rel="noreferrer">coordinated central bank action</a>.</p>

<p><em>In conclusion and to say it simplistically</em>, what would happen after the crisis if agents use their savings to buy consumer goods to the last company that didn't go bankrupt ? <span class="math-container">$\implies$</span> hyperinflation + social tensions.
<hr>
<strong><em>Targeting a V-shape recovery</em></strong></p>

<blockquote>
  <p>[...] with consumers so constrained, can it work in a meaningful way?</p>
</blockquote>

<p>In Germany or in France, partial unemployment -- financed by governments at virtually no (short-term) cost thanks to QE -- is a way to maintain both final demands and intermediary consumptions of productive factors (such as labor force) while <strong><em>favouring a V-shape activity recovery</em></strong>:</p>

<p>As of April 30 2020, <a href="https://www.thelocal.fr/20200430/chomage-partiel-how-to-access-temporary-unemployment-in-france" rel="noreferrer">11 million French workers are currently temporarily or partially unemployed</a>. Also, <a href="https://www.thelocal.de/20200409/kurzarbeit-german-partial-unemployment-to-exceed-2009-crisis-level-coronavirus" rel="noreferrer">almost 650,000 businesses had applied for Germany's reduced-hours work scheme by April 6th</a>. In the USA, <a href="https://www.cnbc.com/2020/03/17/mnuchin-says-trump-administration-is-looking-to-get-cash-to-americans-immediately.html" rel="noreferrer">Trump's helicopter money</a> is a manner to protect final demands' purchasing power and limit the number of bankruptcies.</p>

<p>Idem for China, who cut interest rates to be more powerful in supporting the economy, announced <a href="https://www.china-briefing.com/news/chinas-latest-regional-measures-to-support-smes-during-coronavirus-outbreak/" rel="noreferrer">on February 5, 2020</a>, 16 preferential policies to sustain the production and operation of SMEs including policies on taxation, finance, social security, subsidies, and rent reduction). China's V-shape recovery follows:</p>

<p><a href="https://i.sstatic.net/teOsw.jpg" rel="noreferrer"><img src="https://i.sstatic.net/teOsw.jpg" alt="enter image description here"></a></p>

<hr>

<blockquote>
  <p>Is the impact in financial markets sufficient?</p>
</blockquote>

<p>Sufficient to what ? As <a href="https://publish.twitter.com/?query=https%3A%2F%2Ftwitter.com%2Fpaulkrugman%2Fstatus%2F1256549703308754944&amp;widget=Tweet" rel="noreferrer">Krugman says</a>:</p>

<blockquote>
  <p>I'm a bit disappointed that so many people — including financial reporters! — still assume that the stock market is telling us something about real economic prospects [...]</p>
</blockquote>

<hr>

<p><strong><em>Not related to Economic Science as such</em></strong></p>

<p>Then, something you could ask is "why not rely on private capital?" Economic theory stops here. And it all depends on your ideology.</p>

CC BY-SA 4.0
2020-05-05T06:31:42.477Z
...stops here... according to me.
keepAlive
CC BY-SA 4.0
2020-05-04T07:55:41.877Z
2020-05-04T14:32:13.517Z
2020-05-04T14:32:13.517Z
keepAlive
<p>Recently, most developed countries central banks substantially lowered their base interest rate. In Australia, this is now at their stated lower bound of 0.25%. We also have QE. This is all in an attempt to stimulate the economy.</p>

<p>At the same time, we are going through a lockdown which shuts down large swathes of the economy.</p>

<p><strong>What is the purpose of monetary expansion in this environment?</strong> It is clearly purportedly stimulatory, but with consumers so constrained, can it work in a meaningful way? Is the impact in financial markets sufficient?</p>

<monetary-policy>
What is the purpose of monetary expansion during an economic lockdown?
Jamzy
# What is the purpose of monetary expansion during an economic lockdown?

(Asked by: username_0 on 2020-05-04)

Recently, most developed countries central banks substantially lowered their base interest rate. In Australia, this is now at their stated lower bound of 0.25%. We also have QE. This is all in an attempt to stimulate the economy.

At the same time, we are going through a lockdown which shuts down large swathes of the economy.

**What is the purpose of monetary expansion in this environment?** It is clearly purportedly stimulatory, but with consumers so constrained, can it work in a meaningful way? Is the impact in financial markets sufficient?

**Tags:** monetary-policy

---

## 2 answers

### Answer by username_3 on 2020-05-04. Score: 9 | Accepted answer

> What is the purpose of monetary expansion in this environment?

***Avoiding (and preventing future) supply and demand shocks***

The purpose is to keep as much as possible markets (labor related, of goods and services, etc...) in their *pre-crisis configuration* -- imperfectly admittedly -- with the intention of avoiding and preventing future post-crisis supply and demand shocks, which empirically translate into (out of control) inflation (positive or negative: deflation).

***Doing it well***

But when I say "supply" or "demand", I am not *only* talking about [final demands](https://en.wikipedia.org/wiki/Aggregate_demand) and [final supplies](https://en.wikipedia.org/wiki/Aggregate_supply). I am talking about [supply chains](https://en.wikipedia.org/wiki/Supply_chain) in their entire verticality, i.e. which is related to any [intermediate consumption](https://en.wikipedia.org/wiki/Intermediate_consumption) (and related market). And you do not want these intermediary markets to be strongly shocked either, since any shock in those would then propagate to final consumers. As outlined previously, the labor market is a intermediary market like any other from this perspective.

This is where decision makers actually have their role to play, because more than supporting the economy, they have to do it well. Imagine that:

1. They maintain final demands without adequatly maintaining intermediate markets $\implies$ inflation (which is what happened the most historically), potentially *hyper* depending on how strong and badly they do it
2. The net effect of their stimulus boils down to supporting more supplies than demands $\implies$ deflation...

***In coordination***

Moreover, in a globalized and highly interconnected economy, you may have control on your domestic product, but clearly not on foreign providers whose economic health depends on foreign monetary policies. Hence the need for a [coordinated central bank action](https://www.ecb.europa.eu/press/pr/date/2020/html/ecb.pr200315~1fab6a9f1f.en.html).

*In conclusion and to say it simplistically*, what would happen after the crisis if agents use their savings to buy consumer goods to the last company that didn't go bankrupt ? $\implies$ hyperinflation + social tensions.

---

***Targeting a V-shape recovery***

> [...] with consumers so constrained, can it work in a meaningful way?

In Germany or in France, partial unemployment -- financed by governments at virtually no (short-term) cost thanks to QE -- is a way to maintain both final demands and intermediary consumptions of productive factors (such as labor force) while ***favouring a V-shape activity recovery***:

As of April 30 2020, [11 million French workers are currently temporarily or partially unemployed](https://www.thelocal.fr/20200430/chomage-partiel-how-to-access-temporary-unemployment-in-france). Also, [almost 650,000 businesses had applied for Germany's reduced-hours work scheme by April 6th](https://www.thelocal.de/20200409/kurzarbeit-german-partial-unemployment-to-exceed-2009-crisis-level-coronavirus). In the USA, [Trump's helicopter money](https://www.cnbc.com/2020/03/17/mnuchin-says-trump-administration-is-looking-to-get-cash-to-americans-immediately.html) is a manner to protect final demands' purchasing power and limit the number of bankruptcies.

Idem for China, who cut interest rates to be more powerful in supporting the economy, announced [on February 5, 2020](https://www.china-briefing.com/news/chinas-latest-regional-measures-to-support-smes-during-coronavirus-outbreak/), 16 preferential policies to sustain the production and operation of SMEs including policies on taxation, finance, social security, subsidies, and rent reduction). China's V-shape recovery follows:

[![enter image description here](https://i.sstatic.net/teOsw.jpg)](https://i.sstatic.net/teOsw.jpg)

---

> Is the impact in financial markets sufficient?

Sufficient to what ? As [Krugman says](https://publish.twitter.com/?query=https%3A%2F%2Ftwitter.com%2Fpaulkrugman%2Fstatus%2F1256549703308754944&widget=Tweet):

> I'm a bit disappointed that so many people — including financial reporters! — still assume that the stock market is telling us something about real economic prospects [...]

---

***Not related to Economic Science as such***

Then, something you could ask is "why not rely on private capital?" Economic theory stops here. And it all depends on your ideology.

> **Comments:**
> **username_3**: ...stops here... according to me.  

---

### Answer by username_1 on 2020-05-04. Score: 4

(There is a longer answer by @keepAlive that covers economic theory.)

From a practical perspective, the effect of rate cuts is debatable. In most countries, central banks have undertaken lending programmes designed to avoid cascading defaults in the financial system. This is not designed to cause economic growth, rather to avoid the collapse of activity associated with the closure of the financial system (as seen in 2008).

> **Comments:**
> **username_2**: Yes, I agree with you and I do believe that the main aim is not really to stimulate demand but rather to prevent a collapse of demand and also to increase liquidity in credit markets, allowing credit-starved firms to get what they need to survive through this crisis.  

---

