The primary type of negative externality is [...], which occurs when [...]
the introduction of a new product causes sales of existing products to decline.
The primary type of negative externality is [...], which occurs when [...]
The primary type of negative externality is [...], which occurs when [...]
the introduction of a new product causes sales of existing products to decline.
status | not learned | measured difficulty | 37% [default] | last interval [days] | |||
---|---|---|---|---|---|---|---|
repetition number in this series | 0 | memorised on | scheduled repetition | ||||
scheduled repetition interval | last repetition or drill |