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A similar form revenue management (price discrimination) is to deny requests of economy class passengers to move to empty seats in premium economy, business class, etc. There would be no loss to the airline at that moment to allow the free upgrade (assume the meal and other service would still be economy class in the new seat), but as rumours spread that free upgrades have higher probability, fewer people would buy premium seats, hoping to get them for free instead.
– Sander Heinsalu
Commented Apr 9, 2019 at 12:50

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Correct minor typos or mistakes
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create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
quote by placing > at start of line
to make links (use https whenever possible)
<https://example.com>
[example](https://example.com)
<a href="https://example.com">example</a>

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