This is the 9279th most frequent Russian word.
стабильное
Stable.
In this sentence, 'стабильная' refers to the economy, meaning it is steady or not undergoing significant fluctuations.
Экономика страны сейчас стабильная.
The country's economy is stable now.
Here, 'стабильное' modifies 'доход,' emphasizing regularity and reliability of income over time.
Для хорошей жизни важно иметь стабильное доход.
For a good life, it's important to have a stable income.
In this case, 'стабильное' describes the foundation, implying it is firm and not prone to shifts or instability.