Create expectations on the other party: they can gouge you hard.
They'll invest costs.
Absorb their costs and bolt.
Losses are blessings.
(Once your trump cards are revealed and others know you're about to close the net, can you still close it?)
Price can change freely across different pricing systems, but value remains constant.
Instead of focusing on valuation, it's more worthwhile to focus on the factors that drive value.
For a country, an aging population means losing labor. As low-end industries relocate and labor costs rise, the country loses value (productivity declines).
You didn't study hard back then. Now that the gaokao is coming up, what can you do? Accept the outcome, or repeat a year to deal with next year's problem instead of this year's.
The timing to resolve the problem you're facing now was actually ten years ago — which means you can't solve today's problem today. All you can do is solve the problem that lies ten years down the road.