" After the accession to the euro zone, interest rates declined substantially in Portugal. "
- Anibal Cavaco Silva

When Portugal joined the euro zone, it experienced a significant reduction in interest rates. This change was attributed by Anibal Cavaco Silva, who noted that the country's financial landscape underwent considerable transformation as a result of its integration into the monetary union.

On a deeper level, this statement reflects broader economic principles and the impacts of joining a large economic bloc like the euro zone. Lower interest rates can be seen as an indicator of increased confidence from international investors in Portugal’s economic stability after its adoption of the euro. This shift can have profound implications for domestic borrowing costs, investment opportunities, and overall economic growth. Furthermore, it suggests that countries with less stable economies may benefit from joining a monetary union by gaining access to more favorable financial conditions.

Anibal Cavaco Silva is a prominent figure in Portuguese politics who served as both Prime Minister of Portugal and its President. His insights into the country's economic policies and integration into the euro zone are particularly valuable given his extensive experience in leadership roles during significant periods of change in European economics.